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Last seen: Sep 18, 2026
This looks OK. Overall you have roughly the right amount of heat going into each floor. What is the design temps for the bedrooms? Is it already low...
I'm not familiar with Hive thermostats/controllers, but as @jamespa says, not all external thermostats work well with heat pumps. Mine has 3 different...
I would second this. It's great if you can balance radiator output exactly to the design heat loss for the room, but I wouldn't get too hung up about ...
And therein lies the dilemma. Investing in net zero is expensive. Not investing in net zero may be more expensive in the long run. Who knows, although...
Is that because it's putting out more heat than the property requires at this time of year? ASHPs can only modulate their output so low (typically to ...
Investors need a return, otherwise they will invest elsewhere. You can get a risk-free return of over 5% on a 20yr government gilt, and riskier inve...
This is how I run my Samsung 12kW ASHP with a 3rd party external room thermostat, so I can manage or control the cycling. I refer to this as "always o...
I wholeheartedly agree with everything @allyfish has written, and our journey was similar. We had microbore piping in our old system. Until we st...
@bontwoody so pleased it's finally working. Yes, this is what threw me when I read your post yesterday - how were you recording flow for 1min wi...
Fingers crossed @bontwoody
Agreed. Definitely not the cylinder temp, as the DHW cycle would not start if the cylinder was already at temp (or within hysteresis), and certai...
Is your installer MCS certified? If so, they should register the install and provide the paperwork for you.
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Degrees of Separation
Latest Posts
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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 , 9 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 13 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 , 14 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 16 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 , 17 hours ago
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RE: Why are ASHP installs so expensive?
A not unreasonable position and it wouldn’t be mandator...
By AndrewJ , 17 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 , 2 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 , 3 days ago
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