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Hi all, Im hitting brick walls with my research, so thought i would see if anyone else has solved this one. Looking to put together a hybrid (bivalent) oil/ heat pump system for the new build im half way through. (ive got a new oil boiler and tank already installed onsite feeding old house) Ive got a warmflow oil boiler so thats the only bit im tied to. Im after a 'smart' system though that will switch between source based on outside temp. and tariff. I think the only one that comes close is the Valliant VRC 700 with Aerotherm HP. Im yet to deep dive into the 'smartness'. Looked at Tapo, but heard they run HP inefficiently. All advice/ feedback welcome. Nick

Hi, dont suppose this is still gathering dust? Nick

I hope you're planning journey goes smoother than mine! Good luck.

Hi all, After 2 1/2 years 'discussing' with planning, in the final stages of detailing a replacement dwelling in oxfordshire before hopefully breaking ground in next few months. Have a number of questions regarding MVHR, HYbrid heat systems, single/ 3 phase etc. Ill try to return the favour here by answering any questions on tools, my mastermind topic!