Heat pumps are devices, enabling the efficient use of renewable energy, present in the natural environment. But the efficiency of heating with their use is influenced by many factors., notes a specialist from MYCOND, which offers turnkey heat pumps in Ukraine mycond-heatpump.com.ua/cena-teplovogo-nasosa-pod-klyuch. They are present both at the design and assembly stage, and related to the correct operation. Worth getting to know them, to be able to get low electricity bills. From the text you will learn:
- which installation to choose for a certain type of building,
- how to choose the right heat pump,
- how to use a heat pump correctly.
Most Important Steps, steps to take to reduce bills, can be foreseen at the stage of design and construction of the building. Efficiency of the heat pump efficiency the higher, the smaller the temperature difference between the temperature in the heating system and the temperature of the heat source. Therefore, heating systems based on a low-temperature underfloor heating system achieve higher efficiencies, than traditional systems based on high temperature radiators. Using the MYCOND ARCTIC HOME heat pump as an example, one can compare the percentage value of the so-called seasonal energy efficiency of space heating. At supply temperature 35 ℃ it is 195 % in a temperate climate, and at a temperature 55 ℃ drops to 147 %.
Cheap heating of a private house - which installation to choose?
In new buildings, it is worth designing the installation, completely based on underfloor heating system. In existing houses, not equipped with underfloor heating (or equipped with mixed installation), often impossible to change the heating system, because it will entail a very serious and costly repair. In such a situation it is possible, eg, replace the radiators, which will be selected according to the lowest possible temperature parameter. In practice, this means radiators with a larger surface area..
note! Increasing the flow temperature by 1 degree means an increase in costs by about 2%, so any change in the opposite direction will allow you to heat your house cheaply.
Another important issue is to ensure the appropriate energy standard of the building.. The lower the house's energy demand, the less electricity will be used in the process of pumping heat into the installation. Ensuring proper insulation of external walls, attic floors, basement floors or the installation of modern triple-glazed windows are thermal modernization projects, which can be implemented in the old building. The new building also has the possibility of easy implementation of mechanical ventilation with heat recovery and a well-thought-out design, taking into account the simple form., expedient location of glazing or refusal of balconies.
Proper selection of a heat pump is the basis for cheap heating of a private house
The next step towards cheap home heating with a heat pump is the appropriate choice of the device itself.. In the case of air-to-water heat pumps, the correct choice is mainly based on an appropriate definition of the so-called bivalent point, i.e. the intersection of the heat load curve of the building with the heat output curve of the heat pump. Below this point, the capacity of one heat pump is too small, to cover building losses, and at this point, an additional electric heater is most often turned on, support pump.
Depending on the climatic zone, the pump is selected for a certain bivalent point, however, it can be approximated at a level of about -10 degrees. The need to turn on the heater at outdoor temperature, eg, 0 ℃ will mean wrong choice of heat pump heating capacity and higher operating costs. Incorrect selection most often occurs due to incorrect building data, eg, due to errors in insulation leading to large heat losses (in the project of the house one indicator is indicated, in fact – other). This situation can also be caused by insufficient information., needed to collect.
In the case of ground source heat pumps, an important issue is the correct selection of the ground heat exchanger.. The choice must be the result of the respective project, containing, eg, information about the characteristics of soil layers. This allows you to determine, how much heat can be obtained from each meter of the well (vertical heat exchanger). Selecting a ground heat exchanger that is too small or incorrectly executed can lead to gradual cooling of the heat source, which will not be able to regenerate to its original conditions in the off-season. Consequently – reduction in heat pump efficiency.
Configuration and operation of the heat pump
The final step towards lower bills is the correct setting and adjustment of the heat pump. Important action, performed by the MYCOND service during the first start of the system, is the correct setting of the heat pump controller. Important, so that in case of some settings there are no factory values left, not suitable for a specific installation. The weather-compensated heat pump controller is an important device, thanks to which the user can correctly program the operating time of the device, eg, in the function of domestic hot water production.
Air source heat pump works with better COP, the higher the outdoor temperature is. Taking into account the daily temperature range, easy to conclude, that it is better to heat the hot service water tank during the day, than at night, when the temperature drops significantly.
Timer programming can be of great importance also in case of installation, based on two independent heating circuits, one of which is a small radiator circuit. Outline, in which only a few radiators are installed – in bathrooms and extras, eg, in a garage or basement. In combination with such a circuit, the heat pump must generate higher flow temperatures and, Consequently, be less efficient. The solution is, to program the circuit to work like this, so that the radiators in the bathrooms are only hot when taking a bath – evening or morning.
A source: mycond-heatpump.com.ua/samoe-yeffektivnoe-i-yekonomichnoe-otop
