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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Nov 27, 2025
Profile Activity
Topics: 19 / Replies: 3525
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RE: Replacing my 18 month old ASHP

I am far from convinced this will fix the problem because there isnt much out there < about 4kW, so not that much difference. I think there is a ...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old ASHP

Yes, but the lowest power heat pump you will get is ~5kW, so its still going to be cycling. A boiler will be much worse. Thus getting to grips with ...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old ASHP

ok that makes more sense, in which case simplicity of UI is going to be key if you do change! I can recommend Vaillant for this because I have one, b...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old ASHP

Welcome to the forum. Some things you are saying dont make sense together One of the reasons you want to replace it is because its oversized, yet t...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why Millions of UK Homes Struggle With Heat Pumps

The idea (and at least one similar product) has been around for a while, I even considered it for one awkward room when I did my upgrade a year ago. ...

4 days ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Maintaining temperature on windy day

Of that I have no doubt and apologies for any offence!  

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Don’t Install a Heat Pump Until You Read This

I feel for you. I have never done a major 'build' personally but I have done several professionally, and I'm sorry to say that incompetent tradesmen...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Extend the colder range of the weather compensation curve?

Not necessarily. Some heat pumps flatline at either end of the defined 'curve', at least according to the manual. Depends on the heat pump  

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Maintaining temperature on windy day

Not natively to any heat pump or boiler sofaik. You could try running on WC + temperature sensor (ideally the midea one not third party thermostats,...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Don’t Install a Heat Pump Until You Read This

Understood. Solutions I can see if you cant somehow squeeze enough out of the heat pump are Supplementary heating Replace UFH with rads (because...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Don’t Install a Heat Pump Until You Read This

Understood. Solutions I can see if you cans somehow squeeze enough out of the heat pump are Supplementary heating Replace UFH with rads (because...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Don’t Install a Heat Pump Until You Read This

You need to insulate the edges and beneath - 'heat rises' applies only in fluids not solids, in solids the heat spreads isotopically. If you do thi...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
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