Best Ground Source Heat Pumps (2026)

The ground source heat pumps we would buy this year, ranked on how well they perform, what they cost and how well they hold up.

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No. 1

NIBE · 6kW

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

A4.5 ~£22,000

No. 2

Kensa · 6kW

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

B4.4 ~£20,000