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: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
I agree, @drei, that I dislike companies having control...
By Majordennisbloodnok , 18 minutes ago
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Changing from 4-port buffer to volumizer
BackgroundI bought a house at the beginning of 2025. Th...
By Andy1618 , 1 hour ago
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RE: ASHP sizing - value of Heat Transfer Coefficient
Sorry, but I cant see what the point of this is unless ...
By JamesPa , 16 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
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By Toodles , 20 hours ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
UPDATE: Thanks everyone who commened with suggestions h...
By 9jwr9 , 1 day ago
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How long will your energy contract last?
Some heat pump tariffs don’t run as long as a heat pu...
By Toodles , 3 days ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 3 days ago
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RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 4 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I found because I have very low heat loss I can set bac...
By RadWhisperer , 4 days ago
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Welcome @mickamills We too have an oversized 12kW Sa...
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@caron I can confirm that the power usage of the PW3 is...
By Old_Scientist , 4 days ago
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RE: Speedcomfort radiator fans
Thats true, but having tried (and succeeded) in constru...
By JamesPa , 5 days ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
@alastair There I was, feeling grumpy, he said “Cheer u...
By Toodles , 5 days ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
Depends on OAT. Mine cycles at OAT>10 and of course...
By JamesPa , 5 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
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RE: Mitsubishi Ecodan R290 10kW performance
And to you too. Wishing you a very enjoyable festive s...
By Sheriff Fatman , 5 days ago
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RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 5 days ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 6 days ago

