Last seen: Feb 6, 2026
So how far in advance of returning home, do you need to turn it back on to recover the temperature - what sort of temperature rise can it achieve, wha...
But if you got home and found the house cold, for whatever reason, how long does it take for your heat pump to heat your house up to 20 deg C from col...
Because there's situations where it is needed. You do want to get the house warm quickly when your plans change and you come home early or unexpectedl...
From what I've read, with chilled water, as you'd expect, condensation can form on the pipework so the pipes need thoroughly insulating and insulation...
The problem I see with A2A (and I'm interested if there's a good solution to this) is that many homes have multiple small rooms which need their own h...
Yes the MCS rules on cylinder sizing seem to be cause of the problem, they don't provide enough detail on how sizes should be adapted to space constra...
Strikes me there is potentially a lot of scope for improving the hot-water solutions, I've tried a couple of the big companies mentioned here and thei...
I might install one without the grant, but it would either be a DIY project or an economical install where I have more control over what is being prov...
But in practice, doesn't the need for Building Regs approval typically force you to comply with MCS? Because MCS as a competent person scheme can self...
If the Government remove the grant then they should also be removing some of rigid and inflexible installation standards which push up the cost of ins...
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
Hi, Nothing yet. I've asked customer to measure flow...
By errmm , 4 hours ago
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RE: High Temp Heat Pumps for fast warm-up of house
I don't know exactly how long it takes to heat up (and ...
By JamesPa , 5 hours ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
OK. What Im seeing looks fairly normal TBH: 1 start ...
By JamesPa , 6 hours ago
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RE: Vaillant Tech Support Flagged Low DT: UFH Return Cold, Suspected Zero Flow
@editor thanks for the tips which I will try before cal...
By DavidB , 7 hours ago
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RE: Daikin 6kw setup with Dixell controller
@jamespa Many thanks for your reply, a very detailed an...
By CraigH , 7 hours ago
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RE: Exploring the role of alternative clean heating solutions - Government Consultation
Despite reservations, I found some time to respond to t...
By Rusty , 8 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@crankplus, nope, still not, and I've followed up with ...
By Mars , 8 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge Probably, but temperature change at -10 ha...
By AndrewJ , 9 hours ago
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RE: External wall insulation - your experience
To be clear, my experience was very positive. The journ...
By Batpred , 11 hours ago
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@foxesfan Re: ‘Servicing’ as @editor has covered in his...
By Toodles , 11 hours ago
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RE: A Smarter Smart Controller from Homely?
@benson No idea why mine doesn’t work, all I see on ...
By Papahuhu , 11 hours ago
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RE: Battery sizing - How low can you go!
It seems I am seeing something similar to what you do, ...
By Batpred , 12 hours ago
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RE: Gaslighting in the heat pump industry – has anyone else experienced this?
Don’t know if this is relevant to this thread, but my A...
By Gruff2001 , 13 hours ago
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RE: Bosch CS5800i 5kW - Experience So Far
@majordennisbloodnok While getting Home Assistant runni...
By Steelbadger , 1 day ago
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RE: MCS - BS EN 12831-1:2017 – Heat Loss Survey
Since May 2025 it no longer a requirement in England to...
By JamesPa , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handel @jancold Manufacturer: Daikin Model: E...
By Jancold , 1 day ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@harriworld it was roughly 3am for an hour as that’s ...
By L2jad , 1 day ago
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RE: Hoped for improvements not being realised on my Mitsubishi heat pump
I have been wondering that myself. The fact is that, ...
By JamesPa , 1 day ago
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RE: Filtering Tap Water – Share Your Setup for Cleaner, Better-Tasting Water
I remember when I was in my early 20s I was introduced ...
By Majordennisbloodnok , 1 day ago
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RE: Setback savings - fact or fiction?
But if it is recorded an an integer, which it seems it ...
By cathodeRay , 2 days ago


