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bontwoody
bontwoody
@bontwoody
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Noble Member
Joined: Mar 5, 2022
Last seen: Jul 13, 2025
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Topics: 29 / Replies: 807
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RE: Has anyone replaced an old ASHP with a new one?

@pressure Well mine was a new installation in this house, but if upgrading I would definitely install anti frost valves if you are using antifreeze so...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Has anyone replaced an old ASHP with a new one?

Couldnt you just replace the old Heat Pump unit, leaving everything else as it is? My 5kW Samsung cost just over 2K last year and its simple to switch...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Non standard houses with non standard owners

I remember watching a heat geek video about the effects of unheated rooms and how it would impinge on efficiency as the flow temperature in other room...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fitting emitters with output greater than room heat loss.

@jancold yes it’s fine to oversize them, you can just limit their output as required with the valves. It gives you some more flexibility as to room...

8 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Do thick walls make for warm houses?

@robl Thanks, thats interesting 🙂

8 months ago
Forum
Insulation
Reply
RE: Do thick walls make for warm houses?

@sunandair So my take on it would be that having the walls thermal mass inside the insulation layer, would act as a thermal store and be ideal for 24/...

8 months ago
Forum
Insulation
Reply
RE: Heat Pump SCOPs – The Truth Might Not Be What You Think

Two other things that greatly effect SCOP but havent been mentioned are the climate where you are living and what you deem to be a comfortable interna...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat loss with gas usage.

Its a big house Alan so getting an accurate heat loss will be important. If I were you I would try and go lower than 54C with your boiler during a col...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Samsung 12KW Heat Pump Help

@dinhp dont have second thoughts about your weather compensation setting. Lower is better for COP. Im not sure what you mean by: Samsung manual o...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Samsung 12KW Heat Pump Help

@dinhp Ive worked out the daily COP below and added my Outside Air Temperature, yours might be quite a bit cooler depending on where you live: ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Samsung 12KW Heat Pump Help

@dinhp I have a Samsung, so happy to answer any questions I can. It seems you have done an excellent job of altering the settings and I cant believe...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Gen6 16kW tribulations

@emceed even something like these taped to your pipes with insulation over the top will give you some idea what’s going on if you don’t want to spend ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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