la géothermie

Inverter Geothermal Water Source Heat Pump   COP 5.6~9.5 Modbus protocol is built inside to be controlled by any other external modbus controller. Support central control. Underground water, lake water  even sea water heat source. Work well  even minus -45°C air temp. Enery Class A+++ with R32 and R290 refrigerant European standard inverter heat pump With Wifi control function [...]