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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Oct 1, 2025
Profile Activity
Topics: 17 / Replies: 2189
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Reply
RE: Undersized ASHPs & Unbelievable energy bills

The PHE has been one of the goblins in my system. Initially I accepted it as the (now known to be older) Freedom installation manual said it or a buff...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Undersized ASHPs & Unbelievable energy bills

I second the point and shoot IR thermometer suggestion, they are very useful. You need to be aware that they come set to a certain 'emissivity' which ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Undersized ASHPs & Unbelievable energy bills

@batalto - I absolutely agree about the effects of assumptions. While heat loss calculations in theory can be accurate, all sorts of assumptions do ge...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Undersized ASHPs & Unbelievable energy bills

@batalto - these wide ranges (mine went from 9kw to 16kW) are illustrative of the problems with design. The designer/installer should do a full heat l...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Undersized ASHPs & Unbelievable energy bills

@howiewsl - sadly 'utter nightmares' are all too common, both for the design stage and the installation stage. Even MCS registered installers are perf...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - I'm glad I gave it a try, and thanks for suggesting it. If I ever get round to finding a way of getting at the controller data directly, I'...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - long overdue update on the Midea app: could not get an emulator to work, most are very buggy, all are bloatware, virtual wifi/bluetooth (of...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

I agree with the views being expressed here about the chaotic nature of this industry and the volume of ignorant and/or bad practice, made worse by to...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - I think I get what you are saying - there's an extra layer I wasn't aware of, the internet connection. I thought it was all 'in house' ie l...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - OK, will do next time I have a friend round with an android phone. But I'm still a bit confused: When I connect (in Windows) I put in t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - I now have a USB wireless adapter for my PC and it can see the Midea Controller (again, the SSID shows as net_c3_xxxx rather than midea_c3_...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

I don't see this working very well either. In many, maybe even most, installations, the rads will need upgrading, because the scheme requires the ASHP...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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