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Skidoc
@skidoc
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Joined: Feb 16, 2025
Last seen: Mar 5, 2025
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Topics: 1 / Replies: 4
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RE: My house is too big and the Vaillant 7kW heat pump can't heat it when temperatures drop below 4C

@jamespa I will do my best to answer these questions and very much appreciated the help, I'll do my homework and return asap.👍. Thank you.

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: My house is too big and the Vaillant 7kW heat pump can't heat it when temperatures drop below 4C

@editor I know what i think should happen but I'm not heating engineer, my feeling is that it should be a split system with a 3.5 unit to do upstairs ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: My house is too big and the Vaillant 7kW heat pump can't heat it when temperatures drop below 4C

@jamespa hi mate, yes I have a monitor to measure the energy consumption of the HP, it shows max nearly all the time when the temp drops below ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: My house is too big and the Vaillant 7kW heat pump can't heat it when temperatures drop below 4C

So my heat loss is right on the limit of the 7kw unit at 7.2, so granted it's over the max of the unit but marginally and I believe the system was des...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
My house is too big and the Vaillant 7kW heat pump can't heat it when temperatures drop below 4C
4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 16
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