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MattC
@mattc
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Joined: Jan 16, 2024
Last seen: Mar 5, 2025
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Topics: 1 / Replies: 40
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RE: New ASHP system - choices

@jamespa Thanks. I'd already concluded that the higher estimates are excessive, which is why I'm going with the lower of the three figures that I'...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

@gary Thanks. House is a similar size to ours. It's interesting that you find even the 8.5kW Ecodan is overpowered. We got three surveys that cam...

12 months ago
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Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

@gary Thanks. If you don't mind me asking, what is the size and/or heat loss for your property? Or the usual daily heat output and COP from your Eco...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Microbore Central Heating Plumbing, will it be a barrier / pain?

@ianmk13 I assume you've considered upgrading from K2s to K3s where possible? This should give you at least 30% extra output for the same wall space.

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

@harriup Thanks again. I've explored quite a lot of data (and plotted many graphs), but only have daily gas consumption figures from late January ...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Microbore Central Heating Plumbing, will it be a barrier / pain?

Five of our 14 radiators are supplied with 10mm plastic microbore, with the rest on 15mm copper. The microbore is all installed behind plasterboard wa...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

@gunboatdiplomat Interesting comparisons. It looks like we have very similar properties though ours is probably slightly better insulated as 80% o...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

For completeness and for anyone who's interested, here are the design and performance parameters, as described by each supplier. Supplier ...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

@mike-h Thanks again. The installer I'm leaning towards (Puraflow) seems to have consistently good reviews on TrustPilot and I've been generally i...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

@majordennisbloodnok Thanks. Similar installation cost again. Looks like RHI was a really good deal. The new BUS grant is £7500 (formerly £5000) wh...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

@harriup Thanks for the useful insights and for taking the time to reply.Your similar installation cost with the 8.5kW Mitsubishi does at least help t...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New ASHP system - choices

Does anyone have any thoughts about question 1 (installation cost)?

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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