UK-based Bellway has installed what it describes as Great Britain’s first rooftop-mounted air source ... the performance of the heat pump during real-life use. If the unit in the loft performs ...

Smaller heat pumps, known as ductless mini-splits, have one or more wall-mounted indoor units, each with its own fan.

Alternatively, you can install what is known as a ductless heat pump, also called a mini-split, which circulates warm or cool air through wall-mounted units. One advantage of the mini-split is ...