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bontwoody
bontwoody
@bontwoody
Contributor
Noble Member
Joined: Mar 5, 2022
Last seen: Aug 31, 2026
Profile Activity
Topics: 39 / Replies: 1019
AllTopicsReplies
Reply
RE: Heat Loss v Outside Air Temperature

@jamespa I agree. Installers go on about the importance of a room by room survey but how can you have faith in them when they often come up with such ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Loss v Outside Air Temperature

@steelbadger Yes. I did think that might be an issue but it also occured to me that my house just might not be as warm as if I heated 24/7. There i...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Heat Loss v Outside Air Temperature
11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 13
Views: 2666
Reply
RE: Request for feedback on where we're at with our quest to get an ASHP or ideas.

@giryan Im with James in that the heat loss is very high and you need to do anything you can to get that down. Internal wall insulation would be so...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Request for feedback on where we're at with our quest to get an ASHP or ideas.

Well done on sorting out the insulation first Matt. Is the heat loss figure before or after all your proposed changes?

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My DIY Heat Pump installation

Its what ive used. I know some people choose ones which dont constrict the pipework too much but mine are just honeywell.

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My DIY Heat Pump installation

@polar-bear So from your diagram I see that you are using the same temperature water for the UFH and radiators? That may be problematic with regards r...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Melpump Users Anywhere?

@davidalgarve Im only just beginning to scratch the surface David but it seems that there are some energy saving features in Melpump although maybe no...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My DIY Heat Pump installation

@pollar-bear Top job, I installed my own too and even though it is basic plumbing skills, There was always the nagging doubt "what if I f*** this up a...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Melpump Users Anywhere?

I have now managed to tweak a few DIP switches to get all the required data through now and I have to say Im really impressed with the dongle (Mitsubi...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mixergy Tank Failure

@old_scientist I dont monitor the tank temperature but inferring from the flow temp I think the ASHP can heat to around 50-60C. That water is probably...

11 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Mixergy Tank Failure

So after playing about with DHW settings for a while I think the optimum use of the coil is for about 30 mins. After that time the COP drops to a poin...

11 months ago
Forum
Domestic Hot Water & Cylinders
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