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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 16, 2025
Profile Activity
Topics: 17 / Replies: 2861
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RE: Will heat pump heat hot water without increasing the temp in my home?

Unfortunately your electrician is speaking out of the wrong orifice. Weather compensation means altering the flow temperature up or down according to...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

Your analysis is right but.. The number of Councillors or MPs that understand anything remotely technical is tiny The Civil Service (which, so fa...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Thanks for sharing this and very pleased to hear the result. Well done for having the courage. Its worth being aware that there are (at least) ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My British Gas – Heat Force ASHP Installation: A Frustrating Experience

@tomaszw Thanks for the detailed description, a horror story indeed. I'm very sorry to hear about the experience which does not appear to be unique...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Will heat pump heat hot water without increasing the temp in my home?

The cost/efficiency wont be apparent until it gets colder. You should demand a system diagram and also ask whether weather compensation has been set...

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

Sadly situation normal for much if the building industry, at least by my experience, nothing special about heat pumps! Fortunately you are relatively...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Will heat pump heat hot water without increasing the temp in my home?

Well in truth boilers should also be installed with weather compensation and operated at a low flow temperature, but our heating industry has been get...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Will heat pump heat hot water without increasing the temp in my home?

Heat pumps should be operated with weather compensation otherwise you will spend 15-20% more than you need to. It looks like this might have been set...

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

On the grounds that an installation other than by an MCS contractor doesn't qualify for the BUS grant and isn't permitted development then its clearly...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Undersized Vaillant ASHP and abandoned by installer

Ps to the above. The requirements on the heat pump, for the grant, are specified here. The relevant ones are, I think, the below. Ther...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Undersized Vaillant ASHP and abandoned by installer

Hi Jonathan The Vaillant report you posted and as I read it says you have a radiator in the kitchen, and also says you are running at a flow temp of...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Suitability of 45C flow temp with existing pipework

That's all very neat! If the 2*15 run in a straight line to the room next door to the right of the photo, and then the microbore tees off to the firs...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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