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Last seen: Sep 23, 2026
@newhouse87 I'm not sure whether you were responding to my most recent post questioning the current interpretation of the excellent data that @cathode...
These results are extremely useful and exciting, but nevertheless something has been bugging me about this. I couldn't quite put my finger on what wa...
@cathoderay Whilst not for a moment questioning the data, which is really good and really useful, it will be interesting to see if the same outcome oc...
@derek-m Hmm, needs some thought I think this may be where it helps to distinguish mentally heat (a) demanded by the emitters from (b) hea...
That's true, but doesn't circumvent the requirement for MCS accreditation in order to benefit from permitted development. It's written into the gener...
@derek-m Aircon units have no special rules, so either they are an ashp used solely for heating in which case pd may apply, or they are like any other...
Useful data! Its interesting that it (apparently) takes 3 hours for the RWT/LWT to fall to room temp. Do you think this is real and if so does the p...
The PD rules for oil/gas flues specifically state flues, and a heat pump is capable of materially affecting the external appearance, so I suppose it w...
I am personally far from convinced that your EHO has a case, and the fact that they prefer to rely on planning to do something rather than actually ta...
The short answer is no, at least if by inside you mean inside the dwelling, unless it materially affects the exterior appearance. Section 55 of tcpa...
I'm never sure why people always quote 42dB(A). This figure includes an assumed 40dB(A) background. The heat pump itself must register 37dB(A) or l...
@bontwoody I can't be certain you are reading them correctly but my reading is the same as yours and I ask the same question. Perhaps it's Daikin's ...
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Degrees of Separation
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RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
By Singlespeed , 5 hours ago
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RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
By Rob of York , 12 hours ago
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@mrkfm, I’m definitely not trying to put anyone off get...
By Mars , 1 day ago
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RE: Why are ASHP installs so expensive?
Posted by: @springswood I confess to becoming a litt...
By Rob of York , 1 day ago
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 2 days ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 2 days ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 3 days ago
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The positive reviews keep coming in for Britain's Heat ...
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
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RE: Grant R290 DHW Cycle Interuption
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