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Renewable Heating Hub Homeowners' Q&A

Are We Letting Undertrained Heat Pump Installers Loose On Homeowners?

Jun 24, 2026 · 30 min · Ep 82

Why do some heat pump systems deliver outstanding performance while others leave homeowners frustrated, cold and facing higher energy bills?


In this episode of the Homeowners’ Q&A Podcast, we sit down with Mark Hall to tackle one of the biggest challenges facing the UK heat pump market: installer competency.


From three-day training courses and heat loss calculations to radiator sizing, buffer tanks, weather compensation and system commissioning, Mark explains why heat pumps require a very different skillset to traditional boiler installations.


Mark also explains why achieving a SCOP of 4.0+ isn’t difficult when systems are designed correctly and why many of the UK’s underperforming systems can be traced back to basic design and commissioning errors rather than problems with the heat pump itself.


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