Ground Source Heat Pumps

Ground source heat pumps draw heat from the ground via buried pipework. They cost more to install but deliver the highest, most stable efficiency year-round. Also eligible for the £7,500 Boiler Upgrade Scheme grant.

NIBE · 6kW

NIBE S1255

A premium Swedish ground-source system with one of the highest SCOPs available and excellent smart controls.

A4.5 ~£22,000

Specs & review

Kensa · 6kW

Kensa Shoebox NG

A compact British ground-source unit ideal for flats and terraces on shared ground arrays — very high, stable efficiency and near-silent indoors.

B4.4 ~£20,000

Specs & review

See our pick of the best ground source heat pumps →