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Heat Pumps

Heat pumps constitute a cost-effective solution for cooling or heating, as they use thermal energy from the environment in order to deliver their cooling or heating work.

In cooling mode, heat pumps work by transferring the heat from a room or internal space to the outside air, thus cooling the inside area. In the reverse operation, heat pumps can extract latent heat from the outside air (even when the outside temperature is down to -20 ° C) and pump it inside to heat indoor spaces. Since heat pumps work by extracting the available heat from the outside air, they are far more cost effective and efficient that even the most efficient fossil-fuel based heating systems.

Their main disadvantage in the past was their low performance in extreme temperature conditions, which has been handled through the development of inverter technology. Thanks to the flexible operation of the compressor motors and fans in a variable speed range, maximization of overall system performance, improved thermal comfort and significantly lower electric consumption have been achieved.

Heat pumps are around 300% efficient. This means that for every unit of energy used by the heat pump in operation, three or more units of heat are generated for use in a building. Due to the high performance level, the operating cost is minimized. Meanwhile, heat pumps do not use burner and present no combustion, therefore they require no maintenance as in the case of oil or gas boilers. Thus, the integrated heat pump solutions to both cool and heat a building are combined with simpler and more economical operation and maintenance procedures. Without having local emissions and because of the use of clean energy from the environment, heat pumps are safer in heating and cooling systems with significant energy savings. Finally, they can be installed in new or old buildings and can be connected with existing heating models (specific), underfloor heating and cooling as well as fan coils for heating and cooling. There is also the possibility of combining them with an existing boiler or other RES, such as solar systems for heating reinforcement.