Ventilation in a private house

Ventilation in a private house from Alter Air
Incoming air filtration
Temperature correction capability
Rekuperatsiya tepla i vlagi
Recovery - saving on home heating
Correct air exchange all year round

Why forced ventilation is needed in a private house

Why is ventilation in a private house necessary?

Let's start with the fact that the process and the air exchange system are inextricably linked with the structure of the building.

What kind of structure did residential buildings have before? In a word, leaky. Wooden windows, gaps in the doors, poor insulation – these signs are typical of old buildings that have come down to us in more or less their original state.

In such houses, there is infiltration – when a certain amount of air enters the room, is inhaled by those who are there, and then the exhaled carbon dioxide is released outside through the ventilation ducts.

Vertical ventilation ducts are located in the bathrooms, dressing rooms and bathrooms. We can safely call them an absolute evil, since it is through them that a large amount of heat is simply disposed into outdoors.

Construction technologies have developed rapidly and now the constructs are overhauled. Leaky buildings have disappeared: good heat-insulating materials have appeared, metal-plastic or aluminum windows reliably keep heat. Our house has become like a thermos.

The energy efficiency of such buildings is very high, but it is associated not only with materials. The thickness of the wall, the brand of heat insulator or the insulated roof are just the base, but the thoughtfulness and quality of engineering help not to lose the potential of the thermos house.

If the house does not have good ventilation, then we open an expensive double-glazed window and get an uncontrolled amount of air of dubious quality, with smells, dust, and noise. The flow is mixed with carbon dioxide in the room – such air exchange will not be complete.

During periods when it is hot or cold outside (that is, at least 7-8 months a year in our climate zone), we get another problem of an open window: hot or frosty air. This air mass will have to be cooled or heated, increasing the load on the air conditioners and heating system.

At this stage, the conclusion is obvious: if you care about the comfort and health of your family, do not let this issue take its course. Ventilation in a private house is closely related to cooling and heating, the system must be correctly calculated. It is engineering solutions that make housing modern and comfortable.


 

Requirements for private house ventilation

Correct cottage ventilation scheme 

The basic principle is the division of the entire space into “clean” and “dirty” zones.

“Clean” includes living areas - living rooms, bedrooms, offices, guest rooms, children's rooms and others, where a person stays most of the time. The “dirty” zone is toilets, wardrobes, bathrooms, a kitchen or, locally, a frying surface (hob). It should be noted that in most houses the layout is created according to the principle of open space (open type), and it has a kitchen-living room. In this spacious room, two elements appear, and, accordingly, two calculations: a “clean” zone on a larger area, combined with a “dirty” zone next to the hob, where the stove and kitchen hood are located.

An important rule when organizing ventilation in a private house: supply to the “clean” zone and intake from the “dirty” one. A clean stream of air passes through the living space and squeezes out carbon dioxide in a displacing way. Later this carbon dioxide goes to the toilets, wardrobes, and a bathroom, a frying surface, from where it is extracted to the outdoors.

Let's talk about how to arrange this process effectively.

Ventilation options in a private house

Natural ventilation in the house

Immediately, we note that any ventilation system has the right to exist. When choosing, we recommend that homeowners rely on three factors: efficiency / inefficiency, pricing policy, comfort zone for a person.

Natural ventilation of the house is still common in households of different sizes. With such a system, ventilation ducts are built in bathrooms, wardrobes, and kitchens. These ventilation ducts that open onto the roof are by no means a free pleasure, besides, your money will literally “fly out” into them - with warm or cold air.

We have already mentioned that natural ventilation in a private house used to be implemented with the help of infiltration. In modern houses, infiltration is equal to zero, and the only way to achieve it is to open a window, providing mechanical airflow. A balanced natural air exchange in this situation is impossible: the amount of incoming air will not be equal to the volume of outgoing air.

According to the standards, the extraction of the exhaust air must be carried out through system without thresholds – so there is a gap between the floor and the edge of the door. The flow passes through this hole into the corridor, goes to the bathroom in a displacing way, goes into the ventilation duct and is discharged to the roof. We have achieved air exchange - only it is quite obvious that it is unproductive.

Supply ventilation system in a country house

The forced ventilation system of the house can be organized in various ways, but air is always supplied to the “clean” zone and taken from the “dirty” one.

The budget method is a supply valve. This will cost more than an open window, but cheaper than other options.

The supply valve is installed as follows: a pipe is mounted into the wall that allows air to pass through.

This method has a low level of comfort - cold air enters the rooms and creates discomfort for residents. In Ukraine, users often thoughtlessly install supply valves. Then just as quickly get rid of them.

This technology was developed by SystemAir for the Spanish market, which implies a wholly different climate. In winter, it is +20 in this region, and therefore, it is hard to expect it to be effective for our winter weather with persistent frosts and prolonged anticyclones.

Breathers will provide better ventilation in the house. These supply machines purify and heat the air with a heating element, supply it to a “clean” area, for example, to a bedroom. It can operate at one of three speeds, or by a CO2 sensor - the unit itself chooses which mode is suitable.

Breathers successfully cope with air purification – they are equipped with carbon filters and HEPA filters.

In combination with supply ventilation, exhaust fans with timers or two-speed ones are used (we will talk about them in more detail in the next section) to ensure full air exchange. Fans are installed in "dirty" areas, but you can also install them directly in the living area.

Exhaust ventilation system

Exhaust ventilation in the house is a mandatory element for the ventilation system, even if you use an open window for the inflow.

Axial or centrifugal fans are used for exhaust.

Centrifugal ones consist of two parts: the case and the fan itself. You can install various equipment in the case – a fan with a timer, a photocell, and so on; for all types, different wiring of electrical circuits is required.

The second classic type is axial, such fans are installed directly on the air duct. There are several subtypes for them: “standard”, with a timer, with a humidity sensor, with a photocell.

Let's take a closer look at these main types.

The standard fans have a switch and operate in on/off mode. It is the simplest option. You will have to decide for yourself when you need to exhaust air, and when it is already “enough”.

The fan with a timer does not require direct control from you: it turns on simultaneously with the light and turns off after a programmed time, after you have left the room. Such an algorithm is logical: for example, after using the bathroom, there will still be moisture and heat that must be removed.

A fan with a humidity sensor and a timer is an improved version of the previous one. There is not always enough time on the timer to remove humid air. The sensor detects the level of humidity and regulates the operation of the exhaust unit in accordance with the specified parameters.

An intermittent fan is used in wardrobes. In the premises where outerwear and shoes are stored, it is necessary to ensure the supply of fresh air 24 hours a day. Such a fan turns on at intervals, say, in the 2 hours of idle time / 10 minutes of operation.

Two-speed fans run at the lowest speed, such as 30cc. When the light is turned on, they switch to enhanced mode - 60 or 100 cubic meters. 

Fans with photocells detect movement and turn on when a person enters the room. When you leave the room, it will work on a timer and turn itself off.

Recommended equipment


Breathers
Breathers

Supply valve
Supply valve

Centrifugal fans
Centrifugal fans

Axial fans
Axial fans

​SUPPLY AND EXHAUST VENTILATION WITH RECUPERATION IN A PRIVATE HOUSE

Thanks to recuperation, we can return the energy of the exhaust air that is removed from the room to heat or cool the supplied air. This progressive opportunity should not be missed if you want to build an energy efficient home and not to pay enormous amount of money for utilities.

Decentralized supply and exhaust ventilation in the house with heat recovery.

A household recuperator is installed in each room – a compact device that is installed on or inside the wall.

There are classic plate and enthalpy recuperators. In the second case, the membrane design of the device allows you to transfer not only heat, but also moisture to the supplied air.

Household recuperator in the room Household recuperator in the interior
Meltem Household Recuperator

Two advantages of enthalpy follow from this: passive air humidification and more efficient recuperation, since there is always more energy in humid air.

The lack of recuperators in decentralized supply and exhaust ventilation is poor air distribution, which affects comfort. As a rule, they are installed in the corner of the room, and it is there that a cool air “spot” with a radius of 1.5-2 meters will be created. The further you go, the dirtier the air will become.

Another disadvantage is that most models do not have high-quality air purification.

The exception is Meltem household recuperators. They have both charcoal and HEPA filters.

The area of the recuperator itself is small, respectively, and the efficiency is low. In addition, people in the room may be annoyed by the noise. 

However, with all the shortcomings, recuperators make the system an order of magnitude more energy efficient.

​The decentralized house ventilation system with ducting is a unique development of the Meltem brand 

(Germany). This technology is made possible by the use of flexi (flexible) air ducts with a diameter of 75 mm.

The system can be installed directly in the room, and it will supply and take 100 cubic meters of air, distributing this volume more rationally. This system is ideal for small spaces.

An important note: according to the standards, 15 cubic meters are enough for a person for minimum comfort, 25 is the optimal volume, 36 is increased comfort. Therefore, 100 cubes is the norm for four people.

The unique development of the Meltem brand
The Meltem range

The Meltem range includes both standard plate heat exchangers and enthalpy heat exchangers, allowing heat and moisture to be recovered through the recovery process. Air intake can take place both in the bathrooms and in the living room-studio. In bathrooms, it is appropriate to use fans with a timer, which are activated by turning on the light.

There are no air distribution problems.

The level of recuperation of the decentralized system is high – up to 80%.

The disadvantages of such a system are installation on the front wall and a small amount of air (capable of providing high-quality air to rooms up to 100 m2)

MELTEM RANGE

​Supply and exhaust ventilation for small spaces - several options for installation and control

Supply and exhaust unit MELTEM M-WRG-S
Supply and exhaust unit MELTEM M-WRG-S

Supply and exhaust unit MELTEM M-WRG-II P
Supply and exhaust unit MELTEM M-WRG-II P

Ventilation unit MELTEM M-WRG-II E
Ventilation unit MELTEM M-WRG-II E

Supply and exhaust unit MELTEM M-WRG-S/Z-T-FC
Supply and exhaust unit MELTEM M-WRG-S/Z-T-FC

Supply and exhaust unit MELTEM M-WRG-II P-T
Supply and exhaust unit MELTEM M-WRG-II P-T

Supply and exhaust unit MELTEM M-WRG-II P-FC
Supply and exhaust unit MELTEM M-WRG-II P-FC

Supply and exhaust unit with enthalpy recuperation MELTEM M-WRG-II E-Fpy
Supply and exhaust unit with enthalpy recuperation MELTEM M-WRG-II E-Fpy

Central supply and exhaust ventilation of the house with heat recovery

​It is based on a supply and exhaust unit with a large recuperator area and full-fledged filter elements. At low temperatures, the supply and exhaust unit has air preheating, which prevents the heat exchanger from freezing at below-freezing temperature. The unit has a dispatcher, remote control is available from a smartphone via an application.

From an engineering point of view, we create a balanced system where air volumes and pressure are controlled by the engine, the correct ducting and aerodynamics are ensured.

Central supply and exhaust ventilation of the house with heat recovery

Premium household air handling units include a central heat recovery system with Jablotron VAV valves.

It's "heart" is a  a variable air flow valve. Working constantly at minimum speed, Jablotron demonstrates high efficiency.

Let's look at this in a particular situation.

A person cannot be in the living room and bedroom at the same time, so there is no need to constantly supply air to all rooms. Each valve has programmatically assigned CO2 sensor, which is located in “clean” zones - that is, places where people are permanently located.

Let's imagine that in zone 1 there are people. If there are few of them, and the carbon dioxide curve rises slightly, the system will take into account the sensor readings and will not supply additional air. If system calculations predict that there is not enough clean air, the valve will close in zones 2, 3, 4, and clean air will be supplied only to zone 1.

When a person enters other zones, the sensor detects an increase in the amount of carbon dioxide. If there is enough air supplied to maintain CO2, the unit operates in the same mode; if not, it opens the VAV valve and increases the speed.

Other benefits of Jablotron include:

  1. degree of filtration F7;
  2. ​unique technology of enthalpy recuperation - return of moisture;
  3. built-in cooling section — cool breeze;
  4. ​integration into the smartphone interface: the user receives information about the temperature, humidity, CO2 level in each zone, about the set parameters, about the operation of the cool breeze - for cold or for heat;
  5. in the bathroom, operation is controlled by the Boost button — a chip that is built in behind the switch.

A few words about the Boost button. When you turn on the light, the system understands that it needs to activate in order to dispose of moisture or odor. It will close the adjacent rooms, and will begin to take air out of the room as much as possible. The valve has a software limitation and can pass a maximum of 100 cubic meters. That is, if 120 cubic meters have been accumulated, it will let through the zone where we activated the Boost buttons, 100 cubes, and distribute the remaining 20 evenly among neighboring rooms.

We will also analyze separately the unique technology that Jablotron developed together with Faber — a kitchen hood without an engine (the role of the engine is performed by the Jablotron unit itself). When the Faber kitchen hood is activated, the system ignores the CO2 value, increasing the power to the maximum. Four air ducts with a diameter of 90 mm are connected to the hood, 100 cubic meters of exhaust air are taken with each of them. At this time, the necessary amount of fresh air is supplied to the “clean” zones. Air exchange remains in balance, while odor molecules are guaranteed not to get into “clean” zones.

Note that a powerful kitchen hood from another manufacturer (even the most expensive one) can disrupt air exchange - taking, for example, 600 cubic meters that a standard unit cannot compensate for. The consequences are obvious - not only do we throw heat out into the street, but also an imbalance in the supply and output of air is detected.

Therefore, Alter Air advises implementing the technologically correct approach of the Jablotron + Faber brands.

The best equipment for the ventilation system

The implementation of the ventilation system is impossible without high-quality and productive equipment. In the process of working on the objects, Alter Air selected only the best equipment. In addition, we offer “smart” ventilation units with the possibility of variable air supply – Jablotron.

Anyway, we will select the equipment that fully meets your requirements and budget.

Jablotron
Jablotron

Salda
Salda

Blauberg
Blauberg

Zehnder
Zehnder

Maico
Maico

Systemair
Systemair

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Ventilation of a private house by type of premises

Ventilation in the kitchen

As it has been repeatedly mentioned, when designing ventilation, it is important to adhere to the division into “clean” and “dirty” zones. All ventilation equipment is selected depending on the chosen option.

Where do you cook - in the kitchen-living room or in a separate kitchen area? Depending on the answer to this question, exhaust ventilation is installed for houses of different layouts. In the first case, the project includes the division of space into “clean” and “dirty” zones; in the second, the entire room is considered a “dirty” area.

When cooking, odors, smoke, gases, moisture, and heat are emitted. In no other room is such an amount of polluted air emitted with such frequency (except perhaps with a bathroom). The main task is to remove this air from the room, and this requires a powerful kitchen hood.

Kitchen ventilation can be implemented according to two scenarios. The first is a duct system arranged according to the scheme: a check valve, an air duct and in-line duct fan. Alter Air offers duct equipment from Systemair (Sweden), Soler&Palau (Spain), Ostberg (Sweden), Ruck (Germany), Salda (Lithuania). 

​Another option is to install a classic axial or centrifugal fan. Exhaust fans Meltem (Germany), Maico (Germany), Vortice (Italy), Soler&Palau (Spain), Systemair (Sweden), Lessar (Lithuania) perfectly cope with the task. 

​And, finally, the most effective option for the kitchen is the central supply and exhaust ventilation with Jablotron recuperation and variable air flow valves. The kitchen hood without the engine, developed by Jablotron and Faber, not only effectively removes dirty air from the kitchen, but also creates a balanced air exchange.

Ventilation of the bathroom and toilet

An exhaust fan is a mandatory piece of equipment for the bathroom and toilet, regardless of the ventilation system you prefer.

We discussed the types of fans above; for the bathroom, it is preferable to install models with a timer and a humidity sensor. Among the brands that our company is ready to recommend are Meltem (Germany), Olimpia Splendid (Italy), Maico (Germany), Soler&Palau (Spain), ELECTROLUX (Sweden), Elicent (Italy), Вентс (Ukraine).

Dressing room ventilation

Outerwear, fur, leather, synthetic and natural fabrics are a source of odors. To create normal storage conditions in the dressing rooms, fans of periodic switching on, two-speed or standard, are installed. These can be Meltem (Germany), Olimpia Splendid (Italy), Aerauliqa (Italy), Elicent (Italy), ELECTROLUX (Sweden), Vents (Ukraine), MAICO (Germany), S&P (Spain), Helios (Germany), Vortice (Italy).

Ventilation in the house in living area

​All living areas are a clean zone. In the living room, bedrooms, nursery, study and other spaces with similar functions, a person spends most of the time. It is important to supply fresh air at a comfortable temperature here with the help of supply equipment — breathers (Ballu, Airnanny, Tion), supply valves (Marley, Systemair, Maico), recuperators (Meltem, Olimpia Splendid, Airauliqa, Marley, Blauberg), air handling units (Jablotron Futura, Zehnder, Stiebel Eltron).

Garage ventilation

A separate ventilation is always created in the garage, and only exhaust.

The design of the garage, unlike a residential building, is leaky because the garage doors have gaps. The temperature here is artificially maintained at +8°C.

When you enter the garage, you turn on the light. At the same time, the fan should turn on, taking the gases that are emitted by the running car. A duct exhaust ventilation system is being created according to the following scheme: a front grille, an adapter, an air duct, a check valve, an exhaust fan, an air duct that is connected to the grilles, which will extract gases.

After leaving the car, the timer continues to run for 30-40 minutes.

Even if the car is in the room and is not used, it produces odors. Therefore, it is important to provide an intermittent exhaust system that regularly removes polluted air.

As for the inflow, fresh air is mixed in due to the leakage of the gate.

Ventilation in the basement and cellar of a private house

Underground facilities continue to appear in modern households. Of course, we're not talking about the cellar where Granny keeps her 35 jars of raspberry jam. In spaces of this type, ventilation is carried out in a displacement way: the air flow enters the lower point, the supply is carried out near the floor, and the top layer of air is extracted.

Basement ventilation, where utility rooms, pantries, billiard rooms, etc., can be located, is based on the fact that the basement is a “dirty” area. It is important to avoid stagnation of air. For this, a centrifugal or axial fan, two-speed or with periodic switching on, is installed. Such constant ventilation of the house is carried out similar to the ventilation in a dressing rooms.

The air supply is provided by any chosen option - a window, a breather, a decentralized ventilation system.

With central ventilation with recuperation, the supply is carried out to the “clean” zone, and the air intake is carried out in the basement. Even at low room temperatures, the air here also has energy that can be returned.

If a central unit with a VAV system is installed in the house, there should be a separate valve in the basement.

PRICE OF READY-MADE VENTILATION SOLUTIONS IN THE HOUSE

PRICE OF READY-MADE VENTILATION SOLUTIONS IN THE HOUSE

In our calculations, we rely on the example of a detached house of 100 square meters with a standard layout that includes two bedrooms, a living room, two bathrooms and one wardrobe.

The cost is provided approximately, in more detail it is calculated considering the exact area, the chosen concept, materials, and equipment. Prices are valid for May 2022.

Premium level
Premium level

Jablotron centralized ventilation system based on Futura PVC, CO2 sensors and VAV-valves from 350,000 UAH

Average cost ventilation
Average cost ventilation

Meltem ventilator with air ducts from 85,000 UAH

Budget
Budget

Supply and exhaust ventilation with the use of breathers, household recuperators, exhaust fans and supply valves from 7,000 UAH

Advantages of ventilation from alter air
Advantages of ventilation from alter air
01
HIGH QUALITY RESULT

Alter Air is interested in your ventilation in a private house working for a long time and efficiently.

02
COORDINATION OF WORKS

During the design and installation of the ventilation system, work is coordinated with all specialist contractors

03
ENGINEERING SYSTEMS INTEGRATION

We create a comfortable climate in it with the understanding that all engineering systems are closely interconnected.

04
BUDGETING

The client receives honest estimates, in future the estimates are not inflated, and the work goes according to the plan

AIR COOLING

​The ventilation system, in fact, is responsible for the supply of fresh air and the intake of exhaust air for a comfortable stay of people in the room. That is, the ventilation system at home is not considered a full-fledged source of air cooling, but is responsible for its quality and quantity. To cool the room during the hot season, it is necessary to install a separate air conditioning system.

Cooling ventilation
Cooling ventilation

Excellent solution for the demystson period or night. Serves clean, fresh and chilled air

Настенная система кондиционирования
Настенная система кондиционирования

Wall-mounted air conditioning system

Channel air conditioning system
Channel air conditioning system

The inner unit is mounted in the vacuum space and distributes air evenly.

Fancoil
Fancoil

Type of air conditioning system. Installed in pairs with a heat pump/chiller, works on water.

Our projects

Ventilation and air conditioning systems in a 3-room apartment, Kyiv, Honchara street

  • Ventilation
  • Air supply
  • Conditioning
Ventilation unit Jablotron Futura L

The Jablotron Futura L ventilation unit with heat and moisture recovery ensures high-quality air exchange at the apartment, and also reduces the load on the heating system in the cold season. Thanks to the Alfa wall controller and the MyJablotron mobile app it is easy to operate the unit.

Airflex flexible insulated duct

Flexible air ducts Airflex have a high degree of plasticity, which allows air to be supplied even to hard-to-reach areas. Moreover, they are covered with a layer of thermal insulation, which prevents heat loss and absorbs noise characteristics during the operation of the ventilation unit.

Galvanized steel duct with thermal insulation

Thanks to galvanized steel, the duct does not suffer corrosion and other damaging influences. Thus, the long-term operation of the climate systems is ensured.

Duct air conditioner Daikin FBA50A9 (indoor unit)

The Daikin duct air conditioner provides efficient room cooling. The FBA series has a rather thin body, which makes it easy to place in a ceiling space. The self-diagnosis function ensures a safe operation of the device and indicates problems if any occur.

Ventilation and air conditioning systems in a 3-room apartment, Kyiv, Honchara street

Ventilation, air conditioning and heating in the apartment, residential complex "Novopecherskie Lipki"

  • KITCHEN
  • DINNER ZONE
  • WARDROBE
  • LIVING ROOM
SUPPLY AND EXHAUST GENERAL VENTILATION SYSTEM MAICO Ws 320 KB

Air handling unit Malco WS 320 kV with heat recovery, designed to ensure proper air exchange in a residential or commercial space. In this device, the KB index indicates the presence of a built-in heater and a bypass.

KITCHEN MIXER MOONY

Single lever sink mixer with 28 mm swivel spout, double flow for clean water. The water is turned on and off by means of one chrome-plated lever. Refined design and durable materials will ensure the reliability of the mixer for many years.

DRIVE FOR AIR DAMPER BELIMO

Designed to control air dampers. It can be used in both ventilation and air conditioning systems. The drive has a protective function against frost or smoke.

SALDA SILENCERS SALDA

Silencers are used to reduce sound pressure in circular ventilation ducts. They provide quiet operation of the ventilation unit, they are mounted on each of the air inlets to the ventilation unit. In this case, 4 silencers are provided.

IN-FLOOR CONVECTOR KAMPMANN KATHERM QK

Heat convector Katrtan Katherm QK-high-quality equipment for space heating. It has a function of forced convection (built-in fan), which combines EC-technology of fans together with smooth regulation of its speed (KaControl control system). This solution allows you to increase energy efficiency to the maximum level. It also guarantees a quieter operation without discomfort for the occupants.

TROX CONCEALED LINEAR DIFFUSERS

Trox slot diffusers are used in residential and administrative premises, and are installed in suspended ceilings. The design includes guide vanes (by default - black, on order the color can be different), a plenum box with a branch pipe. These devices are used in supply and EXHAUST ventilation systems. Their advantage is the ability to accurately direct the air flow. Trox slot diffusers are made of high quality aluminum.

DUCT AIR CONDITIONER DAIKIN FDXM25 Daikin

FDXM25-duct-type indoor unit, designed for rooms up to 25 m2 The unit was placed in the ceiling space, making the room visually freer without unnecessary details and equipment. It can work for cooling, heating or dehumidification.

DESIGN RADIATOR ЈAGA STRADA

The Jaga Strada radiators are distinguished by their high thermal performance and stylish design: the heat exchanger maximizes heat production with minimal energy consumption, and the panels, in combination with the stylish grille, give the appliance an elegant look. They can be combined with condensing boilers, react quickly to changes in room temperature.

TROX CONCEALED LINEAR DIFFUSERS

Trox slot diffusers are used in residential and administrative premises, and are installed in suspended ceilings. The design includes guide vanes (by default - black, on order the color can be different), a plenum box with a branch pipe. These devices are used in supply and EXHAUST ventilation systems. Their advantage is the ability to accurately direct the air flow. Trox slot diffusers are made of high quality aluminum.

Ventilation, air conditioning and heating in the apartment, residential complex "Novopecherskie Lipki"

A complex of engineering systems in an apartment, Lipskaya street, Kyiv

  • Living room
  • Bathroom
  • Mini-boiler room - 1
  • Mini-boiler room - 2
TROX double slot inline diffuser

Double-slot diffusers from the TROX brand are designed for high-quality air distribution throughout the room. They combine visual aesthetics and high technical potential. Air currents are given in different directions, evenly scattering and avoiding any drafts. Outwardly, only laconic lines on the ceiling remain visible.

Duct air conditioner Daikin FDXM 35F

A low-pressure internal duct unit Daikin FDXM 35F is installed in the ceiling space of the bathroom - it works to cool the bedroom. It is accessed through hatches. The capacity of the air conditioner is enough to service rooms up to 35 m2, which is optimal for a given room. The lowering of the ceiling in a technical room was 300 mm.

Indirect heating boiler Drazice

Vertical indirect heating boiler Drazice OKSE 200 l is designed to provide apartment residents with hot water. The inner surface of the tank is covered with high-quality enamel without nickel, which ensures a long operation of the water heater, and there is also an anti-corrosion coating. The temperature inside can be kept between 7 and 77 ℃. The water heating indicator always shows the current temperature on the front of the tank. There is a fast heating function. This is an excellent solution for an apartment, allowing you not to depend on seasonal blackouts and other inconveniences.

Electric boiler Vaillant Ecoblock

Electric boiler Vaillant Ecoblock An electric boiler Vaillant Ecoblock with a capacity of 6 kW and efficiency of up to 99% works for heating and hot water supply of the entire apartment. It has a wide range of temperature settings for both heating and hot water supply. There are frost protection and 2-level overheating protection. Equipped with eBus data transmission technology. With the help of a capillary thermostat, residents can smoothly regulate the heating temperature in the range from 25 to 85 ℃

Expansion tank Zilmet

The Zilmet expansion tank is designed to compensate extra pressure in the heating system. Works in conjunction with the Vaillant electric boiler above. The special inner lining of the tank prevents the growth of any bacteria, that is, the water does not acquire a metallic taste, does not stagnate or change its properties.

Refiner Ecowater - water softening and filtration system

A modern system for filtering and softening water: cleans water from all kinds of impurities and odors, neutralizes iron, making it soft, pleasant and safe for household appliances, water pipes and human use. The purified water is also suitable for drinking directly from the tap. The refiner does not require changing the carbon filters, and is controlled via WiFi - maximum automation and comfort!

A complex of engineering systems in an apartment, Lipskaya street, Kyiv

Implementation stages

ALTER AIR TEAM HAS CREATED A PROCESS TO GUARANTEE RESULTS
  • Consultation
  • Pre-design documentation
  • Design
  • Ventilation installation
  • Service maintenance
01
Consultation

Consultation

To determine the optimal concept of ventilation in a private house the client provides information about the wishes, budget. It is important to deal with the constructs of the house, to operate within the initial data on the project. At the first meeting - in the office or online - in 1-1.5 hours, options, cost, advantages and disadvantages of the systems are discussed with our team. You will make the final decision, having a complete understanding of the chosen option.

02
Pre-design documentation

Pre-design documentation

Our experts prepare the necessary documents for the selected ventilation system, calculations for the amount of air. On their basis, the standard size of the equipment is selected and the commercial offer is finalized in various budgets - economy, medium, premium. It is possible to change the final cost after the drafting, but it will not exceed 15%. At this stage, the client clearly understands the concept, the equipment necessary for the project and the amount of the budget.

03
Design

Design

Designing begins when the client has decided on an option within the budget. An advance payment of 10% of the declared amount is made and the design process begins, during which we communicate with the client and related specialists (designers, architects, foremen). Ventilation design is based on two principles - based on the calculation of the number of residents and based on the calculation of air quality indicators (CO2). After making changes, the project is approved. Engineers provide a complete package of documents that allows you to implement the project in any company - not only in ours. The client receives detailed information (the purpose of each duct, throttle or valve) and forms a clear view of the functionality and efficiency of the system.

04
Ventilation installation

Ventilation installation

We take care of delivery and installation. Installation is carried out by our own teams. Specialists are trained and certified for each type of ventilation equipment, so they guarantee quality. An obligatory intermediate stage is commissioning. Setting and testing are carried out in order to ensure the correct implementation and effectiveness of the system. The final launch of the ventilation system is carried out in the presence of the client and the chief engineer.

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Service maintenance

Service maintenance

Alter Air also provides warranty and post-warranty maintenance of the ventilation system. The equipment that we install often does not even require our presence - analysis, configuration and service can be done online, which speeds up these processes. In the event of a malfunction, the service engineer will offer the best package of services and send a team on a convenient day for the client. We can analyze the system and offer optimization options - also remotely. Spare parts or consumables (for example, replacement filters for the ventilation unit) can be ordered from us.

Video reviews

Ventilation in a private house: methods and rules of organization
Ventilation in a private house: methods and rules of organization
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Ventilation - a necessity? Why is it needed and how to implement the system
Ventilation - a necessity? Why is it needed and how to implement the system
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VAV ventilation and air conditioning system in a two-story house, Green Hills KG
VAV ventilation and air conditioning system in a two-story house, Green Hills KG
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Supply and exhaust unit Meltem M-WRG-S - overview of the implementation at the facility (Zhulyany, Kiev)
Supply and exhaust unit Meltem M-WRG-S - overview of the implementation at the facility (Zhulyany, Kiev)
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Steam humidification, ventilation and air conditioning in the apartment - an overview of the object in the RC Novopecherskie Lipki
Steam humidification, ventilation and air conditioning in the apartment - an overview of the object in the RC Novopecherskie Lipki
Modernization of the ventilation system based on Jablotron equipment in a private house, Brovary
Modernization of the ventilation system based on Jablotron equipment in a private house, Brovary
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Ventilation system in the private house (300m2), Zhulyany
Ventilation system in the private house (300m2), Zhulyany
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FAQ

How is ventilation arranged in a private house?

​The main thing to remember is that the space is divided into “clean” (living room, bedrooms, study, nursery) and “dirty” (bathrooms, kitchen, dressing room) zones; fresh air is supplied to the “clean” zone, exhaust air is taken from the “dirty” zone.

How to calculate ventilation in a private house?

The desire to independently calculate the ventilation is commendable, but it will take you several weeks, or maybe months of your life (depending on general preparation). The fact is that regulatory documents not only take up entire “tomes”, but also contain many nuances that only engineers know. If you are not ready to delve into the material so deeply, contact the experts, this is a reasonable and balanced decision.

How much does it cost to install ventilation in a private house?

In the section on the cost of ventilation, we provided prices including installation. You can find out more detailed information from our managers by phone 0 800 335 941.

How often should the cottage ventilation be cleaned?

​The frequency of cleaning the ventilation system depends on the mode of operation and is carried out once a year or once every six months.

How to save on the ventilation system?

There are such possibilities, here is one of them.

Often in a house under construction, people lay ventilation ducts in the bathrooms - we have already talked about their dangers. 1 meter of the channel costs at least 1000 UAH. There are at least four such ventilation ducts, each 6 meters high. In total, you risk spending 24,000 UAH on ventilation ducts.

However, there is an alternative - a decentralized system with heat recovery and ducting. You will save 24,000 UAH, increase the efficiency of the building, as you will use the energy that you planned to throw away.

What mistakes are often made when installing a ventilation system?

One of the mistakes concerns an already installed system.

It is made by engineers: they choose the wrong diameters of air ducts and diffusers from which air comes out. They make too small a section and reduce the area of ​​​​air ducts.

As a result, the cost of ducting is reduced and the system as a whole also becomes cheaper. Inexperienced customers like this solution and they are willing to buy it. In living rooms, people sew up air ducts with ceilings, furnish the room with expensive furniture and hang lamps - but the ventilation system turns out to be so noisy that it is difficult to stay indoors.

You can't skimp on aerodynamics. You do not save on other laws of physics, say, do not check the work of gravity by jumping from the third floor?

It is not easy to fix the described mistake - it is even easier to change the unit, but getting a long ventilation duct is an order of magnitude more difficult.

Have questions? Do you need ventilation for a house in Kyiv, in the regional center or outside the city? Call 0 800 335 941 or leave a request on our website.

ORDER A HOUSE VENTILATION PROJECT

Leave a request on the site and our managers will contact you during the day.

ORDER A HOUSE VENTILATION PROJECT
Testimonials and questions
  • 5 / 5

    Регина

    Жалко, что не наткнулась на вашу статью раньше.. задумались о вентиляции уже после ремонта и теперь сильно жалеем! Придется выкручиваться с децентрализованной, но лучше бы конечно все делать вовремя. Спасибо за подробную информацию