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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 7, 2025
Profile Activity
Topics: 17 / Replies: 2679
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RE: Air Source Heat Pump - Side Alley Suitability

All sounds sensible to me and to be clear, the idea of swapping to a ASHP at the same time as fixing the distribution is sound IMHO, if you are going ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump - Side Alley Suitability

There are enough red flags in this to be concerning. I am going to keep this short, there is quite a lot to say/ask about what you have told us but I...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump - Side Alley Suitability

My installer wasn't at all keen on this option, and we had alternative location. That said Heat geek once did an experiment where they virtually surr...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the middle of an ASHP installation - a few questions (and issues)

I don't know I checked the data resolution and its hourly. However I think this is in fact an hourly sample (by home assistant - which limits i...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the middle of an ASHP installation - a few questions (and issues)

@benson Strange no contract as it protects them more than it protects you IMHO, ie the absence of a contract puts you in a stronger position. Pe...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the middle of an ASHP installation - a few questions (and issues)

OK that rules this one out. Good! Hmm. Fundamentally of course this is down to emitter size/house loss. I'm getting the feeling from your text...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the middle of an ASHP installation - a few questions (and issues)

Sorry to hear of your problems, I have two key questions: Just to confirm what you are saying - is this what you experience (that it wont achieve ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: help sizing rads based on room by room heat loss

If its 1988W at DT 50, which is how most radiators are specified (but note not all, one brand is specified at DT70!) then yes that's right. At FT40 a...

4 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Career change – entering the world of heating and heat pumps

This is probably obvious (and applies to many spheres) but don't believe anything anybody tells you unless either they can explain it or you can under...

4 months ago
Forum
Introductions, Forum Rules & Updates
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

If you dont mind can I ask the reasoning - only about the S vs Y bit, the rest of what you say I fully understand. I should preface this by saying ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW

... presumably because the customer (very sensibly) said that they didn't want a buffer! Why do heat pump installers persist in making things compli...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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