Last seen: Mar 11, 2025
Seems I posted at exactly the same time as you to make exactly the same point - the change in DT will probably be imperceptibly small.
This is really interesting. Thinking "out loud", I think that assumption is likely - you would only see a significant change in Delta T if your whole ...
Regarding the Honeywell valves, I have this one installed: Should I ask for it to be replaced with a different one? If so what should I tell/ask f...
I wonder if this means that, in addition to the PID-style feedback system, it also has a "model" for heat loss, which it populates with the data that ...
Does the FTC5 controller have a built-in temperature sensor or is it just the FTC6?
How do you set the flow temperature on the timer in the app? I can see how to set the room temperature, and I can see how to switch between "room" and...
My parents moved into a new build flat last year which was heated with a heat pump. There was basically no hand-over or instruction from the builders....
No worries, they got G99 approval from the DNO for the 5kW system.
TBF you won't get 6 kW from your solar array for very long. You'll only get 6 kW if the sun and roof are at the right angle (South facing roof, around...
It's wild, I paid thousands of pounds for this equipment, the unit is mine, the sensors are mine, the house is mine, data is mine. I shouldn't have to...
Personally I think we can get a lot more mileage out of human feedback mechanisms in addition to sensors. For example, when my wife is cold, she turns...
This gives you the heat requirement of the property -- that is, the amount of energy that the heat pump is required to produce. But we're really inter...
Latest Posts
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just trying to roughly get an idea what price an instal...
By AdamK , 4 hours ago
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RE: Help with understanding my Mitsubishi Ecodan air source heat pump
Welcome to the forum@patch and well done for your under...
By Judith , 8 hours ago
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RE: Air Source Heat Pump - Side Alley Suitability
@jamespa I used an assumed indoor temperature of 18C. I...
By Ad3628 , 10 hours ago
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
That’s interesting, but obviously concerning also…. Do ...
By SUNandAIR , 11 hours ago
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RE: In the middle of an ASHP installation - a few questions (and issues)
Thank you @robs - that very useful data. The issue wa...
By Transparent , 14 hours ago
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RE: The Rise and Fall of Europe’s Most Generous Green Subsidy
@editor Attached images of external insulation. Think...
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
@trebor12345 The Auto function is supposed to adapt au...
By Heatgeek , 1 day ago
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RE: The Great British Heat Pump Quiz
@allyfish thanks for the feedback and glad it was fun! ...
By Mars , 2 days ago
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RE: help sizing rads based on room by room heat loss
If its 1988W at DT 50, which is how most radiators are ...
By JamesPa , 2 days ago
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RE: Career change – entering the world of heating and heat pumps
@editor Mars, thank you. That's along the routes I was ...
By Lakey , 2 days ago
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@editor thanks Mars, it's a rare occasion I'm looking f...
By big_si , 2 days ago
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
@ashp-bobba and @jamespa - thank you both for all your ...
By CBrenewable , 2 days ago
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Win one of five "Heat Pumps 101" Courses
Heat pumps are gaining traction in the UK, but between ...
By Mars , 3 days ago
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RE: Agile: average import cost vs other tariffs?
@toodles thanks for the analysis. I'll be really intere...
By Old_Scientist , 3 days ago
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RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
By ASHP-BOBBA , 4 days ago
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@ashp-bobba TBH the ladies are rather disorganised, so ...
By Cathyem1 , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
By Majordennisbloodnok , 4 days ago
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Logically, the lower frequency = more gentle, yes, but ...
By SUNandAIR , 4 days ago
