Thermal panels, allowing to collect heat of sun radiation and surrounding air for providing hot water-supply and heating.
Daily illumination of apartments by natural sunlight.
Autonomous ventilation of garret apartments, using energy of a sun.
Heat pump, equipment for transformation of natural low-potential thermal energy for the needs of heating and hot water-supply.
A caldron working with the use of pellets ?arboreal granules, allowing to automatize the process of serve of fuel, comfortable in transporting and storage.
The seasonal accumulator of heat allows to accumulate thermal surpluses of sun heat for subsequent periods.