Last seen: Feb 5, 2024
Yes. Read my post above for a fuller explanation, but mine operate when the valves themselves are below 3C. This requires rare cold temperatures and a...
I see no reason why A2A systems shouldn't be the standard in the UK, at least for new houses, other than the government won't give grants for their in...
Question for those who better know how these machines work: why would the inlet refrigerant temperature to the indoor unit be 60C when flow temp is 42...
I do not have a Samsung so I'm just speculating until someone more useful comes along. Just using the numbers you've provided it seems like you're g...
Boy is there a lot to go through here... If the heat pumps aren't performing then there's clearly a design issue, but I think you're misundersta...
I voted very pleased because whilst I am happy with the system overall there were definitely installation issues that are still not resolved, although...
I might as well add info in the way @derek-m described for future reference, but in short I have an 8kW Daikin EDLA model. Manufacturer: Daikin M...
@ronin92 I absolutely agree with this. A year ago I was allowing my home office to go unheated except during working hours, and whilst the air tempera...
@bob77 this rationale is totally correct with a heating system that has a fixed efficiency eg a series of electric fan heaters which are always about ...
@huwsy in which case you've really been done over by them. You should ask them for their heat loss calcs in the first instance, try the methods sugges...
@huwsy I see no reason why air to water heat pumps should not be able to get to 25C room temp, it's just a matter of balancing energy in and energy ou...
@goody my greatest simpathy goes out to you. It is so annoying that these systems in place to supposedly protect consumers are least helpful when most...
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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 , 5 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 , 6 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 , 8 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 , 8 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 , 12 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 , 13 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 , 14 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


