Air source heat pumps are usually positioned outdoors on the ground at the side or back of a property. Where this is not possible, they can also be located at the front, or mounted on a wall, balcony ...

“CO 2 has a far lower GWP and ozone depletion impact than commonly used synthetic refrigerants and, used in its transcritical cycle, can maintain heat pump performance at lower source ...

In terms of “eco-efficiency,” the scientists found that the air source heat pump with a PV system and the log wood gasification boiler perform better than all other systems. “Three other ...