About @energystatsuk
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Creator of https://www.energy-stats.uk/ and Twitter feed https://twitter.com/energystatsuk
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wallersaur bought 5 coffees.
Huge thanks for all that you've done to reveal the ways you can get the very best out of a Vaillant Arotherm heat pump. Thanks to your experimentation and clear post on baffling menu items like RoomTempMod I've been able to make some tweaks that are seeing mine run at a COP close to 5.