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Last seen: Mar 5, 2025
@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'...
@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...
@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...
@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.
@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 ...
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...
@gunboatdiplomat Interesting comparisons. It looks like we have very similar properties though ours is probably slightly better insulated as 80% o...
For completeness and for anyone who's interested, here are the design and performance parameters, as described by each supplier. Supplier ...
@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...
@majordennisbloodnok Thanks. Similar installation cost again. Looks like RHI was a really good deal. The new BUS grant is £7500 (formerly £5000) wh...
@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...
Does anyone have any thoughts about question 1 (installation cost)?
Latest Posts
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@jamespa, really thoughtful as always... for me the pro...
By Mars , 11 minutes ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 12 hours ago
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RE: How many people are happy with their ASHP and do you believe them?
Good luck, I spent a couple of hours and, whilst I foun...
By JamesPa , 13 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 21 hours ago
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@editor "The interesting bit is that many modern invert...
By Singlespeed , 22 hours ago
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RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 23 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 23 hours ago
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Mentally you have to separate the ac side and the DC si...
By JamesPa , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago
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Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
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I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 4 days ago
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Hard to tell but I think I have placed the arrow on wha...
By ASHP-BOBBA , 4 days ago
