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Kev M
@kev-m
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Joined: Mar 5, 2021
Last seen: Jan 8, 2025
Profile Activity
Topics: 10 / Replies: 1266
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Reply
RE: My ASHP Installation

Another update. As expected, usage is down and COP is up as the weather gets warmer. It's changed from 25-35 kWh/day and COP of 2.5-3 on cold spring...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: To ASHP, or not to ASHP, that is the question!!!!!!

@amyfod, as @julianc said you should definitiely get more quotes. Our 14kw ASHP plus 250l cylinder, 12 radiators and all pipework (we had no central ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Planning Permission for Air Source Heat Pumps

@derek-m, I'll leave the calculations and investigation to you, sounds like you may be onto something. I would add that my MCS calculation did separa...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Planning Permission for Air Source Heat Pumps

Ours is 6.5kW for a nominal 166 m2 house, which is 39W/m2. Yours is about 22. Is that feasible? I don't know. But do be careful what you're compa...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Planning Permission for Air Source Heat Pumps

@jennyross, if your house is timber framed and built in 1990 its not going to be too bad for heat loss. As you say the low EPC rating will be influen...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are air source heat pumps overpriced in the UK?

@morgan, not surprisingly your quote is very similar to mine apart from the ASHP size and you have one zone to my two. I don't think the labour charg...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are air source heat pumps overpriced in the UK?

I think prices are driven by the market for both purchase and installation, and are high. Lack of competition, not enough suppliers, generous grants...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Planning Permission for Air Source Heat Pumps

@jennyross we have 14kW in a 165m2 house and 22000 total kWh/year. So about on par with your quote. Our supplier said a 11kW ASHP would have been OK...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Worcestershire ASHP

Your installer was a lot better looking than ours!! Good performance though; I was expecting a cameo but that's definitely a best supporting actor c...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

It's all about storage. Electrical energy can be generated and used at the same time very efficiently but it's not so good for storing and/or transpo...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: To ASHP, or not to ASHP, that is the question!!!!!!

Congratulations and good luck. The fact that you are coming from LPG will help with the running costs comparison. I'm similar as I came from E7 stora...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

@dant it's sometimes better to talk in kWh as prices vary a lot. But I agree with @julianc, your costs are not bad. If that's all your electricity yo...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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