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Last seen: Sep 18, 2026
we are talking the same thing. Its crazy if its really like that, but Octopus are, in fairness, pursuing a 'low installation cost, good enough' appro...
Ah, you have a water circulation loop, (like in hotels) which does exactly that, keeps water circulating round the house continuously so you can enjoy...
FWIW with the colder weather and defrosts kicking in overnight my 24hr COP has, according to Vaillant, dropped to 3.4. Not really surprising.
Thats good news and what might reasonably be expected if its close to the correct size. OAT sensor needs to be out of the sun. On a Vaillant its...
I have set all TRVs open, the set temp is 30c which is max (at around 7pm last night from 25c) great, that establishes the right conditions to set u...
Welcome to the forum. feel free to ask any questions. I think you may need to explain your set up a bit more. What are the 'heatmisers' doing exac...
@andrewj Sorry Im confused. What is the actual problem you are now trying to fix? I thought it was lack of balance between upstairs and downstair...
A decorators cap will close the trv completely if you screw it down completely. If you don't it will partially close the trv, more controllably than ...
Don't know answer to final question. Your contract presumably is with installer so it's his problem to solve if Mitsubishi take an unreasonable tim...
0.65. Heating curve of course depends on rad size/required ft. Mine was designed for 45C FT at -2,:in fact it's running a couple of degree...
If LSVs prove troublesome (which they definitely can) take the heads off the TRVs and fit decorators caps. That gives you a much more linear and fine...
My 7kW Arotherm runs 24x7. I get a SCOP of 4 and that (with a sensible electricity tarrif) makes it quite a bit cheaper to run than my gas boiler was...
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Latest Posts
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RE: Why are ASHP installs so expensive?
@rob-of-york I’m firmly with you on this, and it’s a co...
By Mars , 16 minutes ago
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 16 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 20 hours ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 20 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 23 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 24 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 3 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 3 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 4 days ago
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