Last seen: Sep 4, 2025
It disentir take much to force the paradigm shift required in our industry. Germany mandated an outdoor sensor in 1986, Holland OT in 2005 UK regul...
@jamespa I suspect they too can be run without indoor sensing, but I don’t know. my point is that those who write the regulations dont understand t...
All that run on weather guidance only, with no indoor reference The broader point is obviously that if regs don’t support the technology manufacture...
@johnmo easy to blame plumbers and heating engineers for the lack of training, but trust me when it comes to installation of heat pumps or boilers the...
@hcas Germany mandate an out door sensor in 1986 on heat generators And Holland mandated opentherm in 2005
Seeing as it’s the controls that deliver the comfort, not the heat pump, or boiler, it’s all a bit “British” to blame the heat pump or boiler. we ha...
Both flow rates and temperatures affect output, and I doubt BSRIA has the technology to match them to design specifications. Manufactures have f...
@gshpwoes what floor coverings? What floor structure? Concrete or in wood? heatmiser thermostats.?
to think that in the 1980s, many centralised systems were ripped out and replaced with individual combi boilers!
@editor what’s needed is a new trade, a sort of eco technician, or specifying and commissioning specialist That all grates with many’s understan...
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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


