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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Jan 12, 2026
Profile Activity
Topics: 20 / Replies: 3890
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RE: Speedcomfort radiator fans

Too expensive IMHO for a whole house, at this point do the job properly and fit fancoils (also expensive!) or larger radiators. Best IMHO used in 'ma...

3 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Speedcomfort radiator fans

@mars I think you say somewhere in the video that fans dont increase rad output. I think they do. By blowing more air over the fins/panels the heat ...

3 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Mitsubishi Ecodan R290 10kW performance

Sorry I dont know the answer to that as I dont have a Mitsubishi myself. Perhaps @sheriff-fatman knows. I imagine somewhere in the installer section...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Never mind the OAT…

What I have definitely noticed since getting the heat pump is that I have almost no sense of what the outside temperature is; I have to look at the he...

3 weeks ago
Forum
Solar Photovoltaic (PV)
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RE: Setback savings - fact or fiction?

'setback running shoots itself in the foot by somehow compromising COPs at higher OATs?' is very plausible. At higher OATs the heat pump is going t...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

All noted, Im not doubting you, just trying to be certain (and hopefully help you be certain) that what you are measuring is real and representative o...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Tinkerer's corner

So you can get totally analogue sensors that are held on the side of the flue by a magnet. Hook up a cheap camera pointed at the sensor and feed the ...

3 weeks ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
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RE: Mitsubishi Ecodan R290 10kW performance

Thanks for the further info. Are the two pumps just because one wasnt sufficient, or is there anything between them. Have you got the Mitsubishi pr...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

Have you got an LLH or buffer? If so which pump speed did you reduce and which flow rate are you measuring? At moderate OAT expect deltaT to fall u...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

OK 12 hours stable running should be enough to get a good reading. Can you be more precise about where the flow and return temperature sensors which...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

Improvement is good. Lets explore where we are now. You should definitely be getting better than 3 at 9/35 (Can you confirm 35 measured at and by ...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea ASHP – how to set weather compensation

Just one more thought. If you have convenient space for the 20kW cascade and your installer is paying then it possibly isnt a bad option. Most of ti...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Page 16 / 327
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