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Colin
@colin
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Joined: Oct 4, 2021
Last seen: Apr 22, 2026
Profile Activity
Topics: 0 / Replies: 56
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Pretty busy at the mo and also getting solar + battery installed so not been paying attention to heat pump. We had family staying so had to t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Once you get your insulation sorted it sounds like you're on the right track, our room temps are a more comfortable >=21ºC Here's our Ja...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg I don't get the Vaillant external Temp entity with my HACs so will rely on Openweathermap for now, not sure why, maybe because my external sen...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

I've got two Ambisense TRVs in our two coldest rooms. They're smart enough to increase the flow temp on the Arotherm+. I've also got two cheap Chine...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg What integration are you using for the outdoor temperature? I've just added OpenWeatherMap to try and get these values but not sure if they'...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Here you go. What's your average flow temp now you've lowered the Heat Curve to 0.4?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Our setup doesn't have anything like that, our Arotherm+ is connected to a Vaillant uniSTOR 300Ltr Unvented Cylinder with two or three other b...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@cathoderay Those stats came from SensoApp and Home Assistant. I'm not sure how accurate the SensoApp stats are but I'm sure there's room for my setup...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Here you go. November December

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Our house is a recent self build, timber frame with block, K-rend rendering, and part wood cladding. We're fairly well insulated and had to do...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Where did you get stuck when trying to use the heat curve? The diagram from the manual shows what the flow temp will be dependent upon the out...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Not sure if I have one. Is that the pump attached to the UFH manifold/mixer? Your Flow temp is nearly 40ºC which probably explains why you'...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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