How to measure the COP on a Vaillant Arotherm Plus Heat Pump What is COP / SCOP? COP or SCOP…
What Size Heat Pump? (and lots more besides!) "What size heat pump do I need?" seems to end up in…
Heat Pump versus Condenser Tumble Dryers Are Heat Pump Tumble Dryers cheaper to run? For many years we used to…
Plant Room Project No room for a water cylinder in your house? Sound familiar? We have a 1930’s semi detached…
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