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Kev M
@kev-m
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Joined: Mar 5, 2021
Last seen: Jan 8, 2025
Profile Activity
Topics: 10 / Replies: 1266
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RE: Worcestershire ASHP

Would a radiator at 27 C actually heat a room to 21 C? I tried Stelrad's calculator at a delta T of 6 and 10 C outside temp for my 9m2 study and they...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Disappearing hot water.

@porthy, not sure what is going on. Is the water definitely heating up? Is it going cold or just running out, i.e. it is only heating a small amount...

4 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Worcestershire ASHP

My MCS calculation has an annual figure for space heating and HW energy consumed and required, based on theoretical annual SPFs for both. I can't see ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

@novemberromeo, You really need to know the sort of glass but have a look here: 1.8 is about the minimum available.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

They make an educated guess, but in theory they are a lot more educated in heat loss than you! If they have done heat loss calcs can't you ask them w...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

You don't really want to be spending that amount of money on the basis of gut instinct, do you... How did you get on with the Stelrad calculator? I...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

That's quite a big house. Ours is about half that size and we have the same ASHP. Having said that, if your ASHP is working properly with a COP of 2...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

@novemberromeo, My heat loss calculations show a total area of 128 square metres, heat loss of 6,400w, heat loss W/m2 50, space heating requirement ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

That's interesting; same ASHP and MMSP but mine isn't registering energy output, only consumption. I'm trying to get the supplier back to fix it. Do...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

If you find out,let me know!. From my limited knowledge, weather compensation is a good thing. When it 13 degrees outside, my flow temps are high 3...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

@novemberRomeo, my heating requirements and house size are about the same as your quote A. I'm happy to look at your heat loss calcs and also send yo...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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