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Last seen: Sep 18, 2026
I wouldn't replace with a wireless third party thermostat, thrid party controls and heat pumps are generally best not mixed. If you do contemplate th...
Sorry mea culpa, I misread. That said you could correct for unstable IAT if you have a record of it. I agree, but if you dont have access to re...
I think this can be dealt with without the need for OAT to be stable (which rarely happens). You can either use average OAT over a reasonable period ...
I think you stand a good chance of this happening, other than the never talking about heating again bit, once the interest takes hold its very diffic...
In my cynical opinion the customer having faith is not the purpose of the survey. The purpose is to protect the installer by following a process set ...
How would that explain the temp difference across the LLH which you measure? More likely the air is in his head!
So what have they done 'cos its got to be serious to get what you measure. Faulty secondary pump? Valve left closed? Fitted a bypass loop? The heat...
Thats exactly how I sized my heat pump. Surveys (2 off, each taking 3 hrs, one of which I paid £300 for) said 16kW, measurements of gas consumption s...
I suspect its mainly that you get the views. Upstairs too warm is going to become something of a problem as insulation gets better, particularly giv...
Good, what Id expect, you may need to tweak the WC as the temperature cools down, but hopefully thats it As you obviously realise there is nothin...
You might not be able to, but your installer definitely could. If you swap flow and return either on the primary side or the secondary side then basi...
With that drop its clear that very little hot water is getting from the primary into the secondary so either pump problem or piping problem. Has he p...
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Degrees of Separation
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 , 2 hours 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 , 17 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 21 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 , 22 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 24 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 , 1 day 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 , 4 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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