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Last seen: Mar 17, 2025
@editor The Sero homes project near to where I live looks amazing 🙂
Hi Scott, I have this problem on my UFH and have repeatedly mentioned this to my installers but have had no satisfactory investigation into it (I'm ...
How does a MHRV unit affect a heat loss calculation? I'm pretty sure most are only 50 - 80% efficient so some heat must be lost right? Even in complet...
Ok, so the work outstanding to refit the strainer and finish flushing the system has been booked, but then get another email saying I will have to all...
@editor Ha ha yes ok! I retract my comment, it's just I'm feeling in a bit of a David versus Goliath situation with my installers and other parties at...
@barrystables1 I did say this might be the case in a previous post, i.e that it might be that the compressor is blocked from running and not actually ...
@editor I think I remember reading a while back about another member who had to go down a legal avenue. Any idea who that law firm was? This whole sit...
Vaillant have been out and repeatedly drained the system until filter stayed less blocked, and have asked another company to finish the work but I can...
@derek-m I'm too afraid to touch anything but will ask a Vaillant engineer to look at it asap.
@derek-m What is a reasonable timescale to ask for a resolution given the fact I have no hot water (I will ask Vaillant about if the circ pump can be ...
@heat-pump-newbie Yes, the installer did it. Well-meaning I guess as they were fed up repairing leaks but Vaillant seem to think it's affected the flo...
@editor Sorry, I should have said they replaced the buffer but altered some pipework I think. That latest repair has caused the whole system to break ...
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Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I use the A2A for shoulder periods ...
By Watcher , 2 minutes ago
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RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 4 hours ago
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Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
The funding for the BUS grant appears to have been subj...
By Rob of York , 11 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 14 hours ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 2 days ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 2 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 2 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 3 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 3 days ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 3 days ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 3 days ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 4 days ago



