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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 17, 2025
Profile Activity
Topics: 17 / Replies: 2865
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RE: Low temperature heating - does it feel like heat is more evenly distributed?

Yes. Simple as that, much more comfortable due to reduced temperature gradients both in temperature and time. The only question is, why has it take...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

That would be good as I'm not sure that the calculation is likely to be particularly reliable, too many unknowns.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

I did this calculation for a 20m run based on proprietary dual pipe 100mm OD insulated, for which loss figures were given by the manufacturer, and got...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

Reading the specs there seems to be a bit of a spread with the newer, higher end being quieter and, I suspect, having little or no tonality. Older mo...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

Both keep me awake and should be outlawed. And while we are at it let's revoke the second law of thermodynamics. As I observed above, there is no p...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

I take it we all agree that our homes must be heated. The fundamental problem is that there is no penalty free way to do so. Burning wood is roughl...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

Thanks for flagging this, I was wondering when it might appear and was worried I had missed it. I had a preliminary look, its sadly the normal Gover...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

The problem with this is that it doesnt take account of positioning/distance which matters. its the effect on others that needs to be controlled and ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

The PD rules apply only if the installation is under PD. This one wasn't so the PD rules do not apply. The only requirement is that it meets the pla...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

Interesting thanks. Cieh are only suggesting 2dB lower (35dBA as opposed to 37 for the pump alone) unless there is a tonal penalty, which there may b...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

For what its worth I asked MCS a few weeks ago where the figure of 42dB (which does appear in MCS-020 and thus is part of planning law) came from, and...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump Policies – MCS Planning Standards

So without any evidence, on what basis are you questioning the conclusion reached by WSP (on which the LPA must base their assessment unless there is ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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