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webcmg
@webcmg
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Joined: Jan 5, 2022
Last seen: Apr 3, 2026
Profile Activity
Topics: 4 / Replies: 110
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@kev-m yes, that's exactly what I am looking for, I've searched around online but can't find this info.

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

@derek-m a Vaillant engineer came out today. We've reduced the speed of the UFH pumps and left the radiator pump on a faster setting. We think the byp...

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

@derek-m do you have a typical % heating/dwh usage for each month? Would be helpful to do some projected costs for the year based on Dec/Jan usage. Th...

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

@alec-morrow @mattengineer @mike-patrick @derek-m How appropriate are these types of valves on a ASHP heating system installation? I don't fully...

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

@mattengineer Interesting, I read the manual and there is a setting to basically tell the vrc 700 to ignore the internal temp from the unit. I guess t...

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

@derek-m thanks. This is starting to go beyond my technical capability so think I'll need to await the developers heating engineer to investigate, but...

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

@alec-morrow I wondered this too, a Vaillant rep suggested to me it normally comes down to cost (or value engineering as it is often referred).

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

@alex-morrow our UFH zones have a manually set mixer (currently set to 50c - so largely redundant), if these were set to 22c or somewhere in that regi...

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

Hi @derek-m, I made the school boy error of not noting down the Kwh usage before changing the settings. I took an energy consumption reading earlier t...

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

@mike-patrick thanks for the message - how might I check if this is the case?

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

@spdtdl just learnt how to tag! Sorry, meant to do so in reply with questions above.

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

Just quick message of thanks to everyone for their help so far. Cheers, it's appreciated.

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
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