The end result: windows that keep heat out in summer and heat in during the cold months, and radiators that pump heat to the building's interior without bleeding so much of it into the outside air.

Cavitation in the prewash and absorber pump prevented the Rectisol unit from delivering the designed flows of cold methanol.

On the base of the reasons, several measures to promote its property are put forward to avoid more damages of the cold ammonia pump.