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 ...
Vaillant has decided to more than double its annual heat pump production capacity to about 500,000 units by opening a new factory in Senica, Slovakia. The Germany-based heating tech specialist said ...
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