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bontwoody
bontwoody
@bontwoody
Contributor
Noble Member
Joined: Mar 5, 2022
Last seen: Oct 5, 2026
Profile Activity
Topics: 39 / Replies: 1021
AllTopicsReplies
Topic
Eco 4 Scheme - Do you get a choice in what is fitted?
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 5
Views: 2459
Reply
RE: HP Cycling, Expected or Undesirable

@derek-m Thanks Derek, I appreciate that raising the flow temperature (via the WC curve) will reduce the cycling, but at the expense of reducing the C...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
HP Cycling, Expected or Undesirable
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 37
Views: 11730
Reply
RE: Two possible heat pump routes - how to evaluate them?

@jancold The service charges are in my opinion extortionate. Most of the tasks are simple enough that a competent DIYer can do them. Even easier if y...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

@editor My understanding of the situation you are describing Mars would be that the poorly designed system with the buffer tank would have flow and ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Source Heat Pump - the foundation and another story

To use the installers analogy of subsiding foundations, if I had bought a 4 year old house and it was starting to subside, I would expect the original...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

@lucia The heat geek cheatsheet on the article only requires rudimental maths and will give you an idea. Using previous energy usage is very advant...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

@lucia I would try and ascertain your own heat loss figure before they do, to get a good comparison to ensure you dont get lumbered with an oversize...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: SCOP and seasonal variations

@judith Its a good argument for separating the heating and DHW SCOPs when comparing systems 🤔

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New radiators installed and system drained - what to do next?

As noone else has replied and its cold, I will do my best to answer you question :-). As long as you dont get freezing temperatures (and your heat pum...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Sudden drop in COP

My guess would be that the unit is measuring combined COP for heating and hot water. Therefore because now you are only heating water at a lower COP t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Questions about yearly heat pump maintenance

My own personal opinion is that as long as you clear leaves, clean filter and check antifreeze conc ( if you have it) then it’s a lot of money for ver...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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