Energy Stack / Heat pumps
Layer 04 · Warmth
A heat pump is not a like-for-like boiler swap. The survey, the radiator sizing and the flow temperature are the entire story.
Survey
The single document that decides whether your install is comfortable or expensive.
Hardware
Why almost everyone ends up with air source, and the narrow cases where ground source is worth it.
Radiators
Most installers want to keep your existing rads. Most existing rads are too small.
Grants
£7,500 off the headline number. We walk through the eligibility detail.