
ATMO Europe: F-Gases No Longer Needed for Residential Heat Pumps, Says Viessmann
With the approval of safety standard IEC 60335-2-40 ED7, all barriers to propane heat pumps have been removed, the German manufacturer says.
With the approval of safety standard IEC 60335-2-40 ED7, all barriers to propane heat pumps have been removed, the German manufacturer says.
Propane, isobutane or other hydrocarbons, combined with CO2
, deliver favorable COP and VRC, according to recent study.