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Last seen: Sep 18, 2026
When I had my system serviced recently, I asked the guy about the automatic air vents as I didn't really understand how they worked. He advised once...
We have air release valves - the automatic ones with the little screw caps. One is installed as part of our Joule pre-plumbed cylinder, at the high po...
@bontwoody are the new schedules you've added also greyed out?
Hi @Nick Owens, welcome to the forum. My Samsung is the 12kW (gen6) model, and last winter my heat loss was just over 4kW on the coldest da...
@bontwoody I don't have a heat meter, but I do have a MID-approved electricity meter measuring the consumption of the heat pump (heat pump only, so ex...
OK, as expected, so not that (but was worth checking). I'm puzzled why they appear to be greyed out. Were they always greyed out like that? The fact...
So you're planning to add a PW3 to the existing setup (4kWp)? In that case the 5kW export limit won't affect you as you shouldn't be generating more t...
Your schedules look like they are greyed out? The only thing I could find is that weekly schedules for heating are not available (greyed out) if a 3...
Indeed. If the primaries are not big enough to carry the heat into the property, heat loss due to poor insulation is the last of your worries as there...
Sorry, not sure I can help. I only use Daily schedules which only apply to DHW. We use a programmable third party room thermostat to control heating O...
How big is your proposed solar array? I have 7.2kWp array and a 5kW export limit, and it's not overly limiting with a bit of careful battery managem...
I'll go with the standard grey open cell foam insulation you see indoors (as it's protected from UV), with the normal 45deg cut corners. Surely they c...
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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 , 10 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 14 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 , 18 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 , 18 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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