Should I compare heat pumps on the basis of COP?

Is the Coefficient of Performance (COP) the best way to compare heat pumps? 

In this article we cover:

  • What COP is
  • What other factors to consider when comparing heat pumps
  • Factors that determine operating efficiency
  • Importance of system sizing and installation

Gerard Duffy

Written by Gerard Duffy

Passive house costings

Fire safety guidance warns against open fires and deep pan frying