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Do heat pumps work when it’s freezing outside?

Author:Beijing JRG ElectorMechanical Technology Developme Click: Time:2023-02-20 14:25:55
Heat pumps operate perfectly at temperatures well below zero. Even when the outside air or water feels ‘cold’ to us, it still contains huge amounts of useful energy.  
The most common type, air-source heat pumps, relies on a transfer of air. During the winter, they move hot air from outside to inside, keeping the house warm even when it’s freezing outdoors. During the summer, they move hot air from inside to outside to heat the house.  
On the other hand, ground-source heat pumps transfer heat between your home and the outside ground. Unlike the air, the temperature of the ground remains consistent throughout the year. 
In fact, heat pumps are widely used in the coldest parts of Europe, satisfying 60% of the total heating needs of buildings in Norway and more than 40% in Finland and Sweden.  
The three Scandinavian nations also have the highest number of heat pumps per capita in the world. Norway leads the group with 604 heat pumps every 1000 households, followed by Sweden (427 every 1000 households) and Finland (408 every 1000 households). 

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