Germany’s Vaillant has developed an air-source heat pump that uses propane (R290) as the refrigerant. It can produce between 3.5 kW and 12 kW of heat, and domestic hot water to a temperature of up to ...
Derbyshire Times on MSN
Vaillant helps Cromford Mills embrace a sustainable future with historic waterpower revival
Demonstrating that modern technology can work effectively and in tandem with older buildings, Cromford Mills has reintroduced ...
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