A combined home heating system is a combination of two or more heat sources to heat a home in winter.
The following combinations can be used for such a system:
Each type of heat source has its advantages and disadvantages. Therefore, we will consider options for a mixed heating system and equipment options.
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Underfloor heating is the main element in the implementation of the heating system. Since underfloor heating is a low-temperature element of the heating system, it is necessary to comply with special requirements for the supply temperature of the heat carrier. The temperature of the floor surface should be in the range of + 24-26 °C, since an increase in floor temperature can lead to a decrease in human comfort.
When the floor temperature rises, the following problems may occur:
Based on this, to prevent these problems and create an optimal microclimate at any time of the year, it is necessary to install additional heat sources, such as:
For the efficient operation of the heating system, a prerequisite is the availability of pumping groups that can carry out the supply of a higher temperature to convectors and radiators, and lower for a warm floor to prevent overheating of the floor surface.
Warm walls can also be used in the implementation of the heating system. It should be noted that the installation of warm walls should be carried out in the range of 1.5 meters from the floor level. When installing the system, it is forbidden to hang any equipment and place furniture where the pipelines for the warm wall system are laid.
The combined heating system includes various heat sources and heating devices that are used to implement the system.
Heat pump is considered the most efficient and cost-effective equipment that can perform three functions: space heating / cooling and hot water heating at any time of the year. Therefore, a heat pump with underfloor heating and additional devices such as fan coil units, radiators, in-floor convectors will provide residents with an optimal microclimate in a house or apartment, and will also reduce the cost of maintaining a house.
The heat pump has several advantages:
Our engineers recommend paying attention to the following brands of heat pumps:
An electric boiler is a device designed to heat a home thanks to electricity.
Advantages of an electric boiler:
Despite the obvious advantages of the device, the electric boiler has numerous disadvantages:
Alter Air experts recommend using the following brands of electric boilers, which are in high demand among customers:
Solid fuel boiler – a device designed for heating houses using the process of burning solid fuels. Various types of solid raw materials can be used as fuel: firewood, coal, pellets, and briquettes.
Today, the installation of a solid fuel boiler is not a rational solution, since for the high-quality operation of the boiler, many fuel requirements must be met, and raw materials are considered quite expensive.
Fuel requirements are as follows:
A gas boiler is a device that creates thermal energy by burning gaseous fuel. Before installing a gas boiler, it is necessary to consider whether there is a gas supply to the house.
There are several types of gas boilers:
Therefore, the purchase of a gas condensing boiler is the best option, in comparison with atmospheric and turbocharged boilers.
A solar collector is an alternative source of energy, the principle of which is to heat the coolant using the thermal energy of the sun. The equipment is used for hot water supply, household and other needs.
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.
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.
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 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 ℃
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.
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!
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.
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.
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.
This is the fundamental and first stage, in which all the wishes of the client, the characteristics of the object and the budget are discussed. This information helps you to get a general idea of what your climate system will look like.
The design of engineering systems in the house includes accurate calculations, the development of drawings and diagrams, planning and location of the heating system, as well as tasks for installers and builders.
Alter Air will provide several equipment options that will suit the buyer in the best way, with full consideration of the corresponding quality and price.
Installation of a boiler room and a heat distribution system is not only a matter of comfort, but also of safety. The final start-up of the heating system takes place in the presence of the chief engineer and the client, in order to make sure that all components are functioning correctly.
Commissioning is an important stage before the first start of the equipment. It is necessary to check the installation and all settings of the systems in full accordance with the project.
In a heating system, both the heat source and the heat distribution equipment need regular maintenance to ensure long and efficient operation. We do not recommend neglecting this stage to avoid unpleasant, and sometimes even dangerous consequences.
The best solution for a private house is the installation of a heat pump.
Heat pump is a highly efficient equipment that can work for heating, cooling and hot water supply. Therefore, a heat pump paired with underfloor heating and additional heat sources is able to provide an optimal indoor climate at any time of the year.
In the case when the outside temperatures are low and the heat pump is not able to fully provide the housing with the necessary heat, it is rational to install a hybrid heating of a heat pump with an electric boiler.
The profitability of combined heating of a private house depends on the availability of resources on the site.
For example, if you have a low-power input to the house, but there are gas pipelines on the site, then installing a gas condensing boiler would be a rational solution. In the case when you do not have a gas supply to the house, but at the same time you have a sufficient amount of kW, it is advantageous to install a heat pump.
To date, a heat pump is considered the most profitable and easiest device to maintain. The reason for their popularity is the reduction of home maintenance cost. An air heat pump can convert 1 kW of electricity into 3 kW of heat, and a ground source pump – up to 6 kW of heat energy.
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