Outdoor units of heat pumps work on the principle of transferring thermal energy of outdoor air in the form of a freon circuit of a hydromodule. The system is a complex solution for maintaining comfortable temperature conditions in residential and commercial premises. This system allows you to use the energy of the outside air for heating and/or conditioning, as well as heat water for the domestic hot water needs. Such a system is characterized by high energy efficiency, is easy to operate and does not require a lot of space for installation.