Heat pumps and sustainable heating

Start with the building's needs

The benefit depends on factors including the existing heating system, insulation, layout, climate and desired temperature. Compare solutions on the same basis and include installation and maintenance costs.

A savings estimate is meaningful only when its assumptions are clear. A solution that performs well in one home may not produce the same result in another.

Consider the complete use

Correct sizing and careful placement help the heat pump meet demand. Settings and use also matter. If you begin using active cooling that you did not have before, include that energy use in the comparison.

A heat pump's environmental impact depends on factors including the electricity supply, manufacturing, refrigerant and how long the equipment is used. Avoid simplified claims that any one solution is always free from environmental impact.

Care for the system you already have

Clean filters and unobstructed airways are part of routine care. If a fault occurs, first assess the cause and weigh repair against replacement. The heat pump's condition, age and availability of spare parts are part of that assessment.