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Oswiu
@oswiu
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Joined: Oct 19, 2022
Last seen: Feb 5, 2024
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Topics: 2 / Replies: 119
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RE: ASHP at cold temperatures

50C refrigerant across 50m+ of pipework will lead to monumental losses across the pipes with only 8mm insulation. I suspect (without calculating) poss...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan not good enough ?

You might have luck seeing if your installation was secured with one of the consumer protection schemes and seeing if they'll help with cost. Given hi...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan not good enough ?

@goody yeah I think they normally work by using a heat pump for most of the year then turning the boiler on instead below a certain ambient temperatur...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan not good enough ?

@goody missing out five rooms is a big oversight. This system will never be enough to heat your house when it's cold no matter how many minor improvem...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP at cold temperatures

@huwsy I'm not too familiar with A2A heat pumps, nor do I think are most here. Why did you not use the system at all from April to now? If it's very u...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: MCS Certified installer problem

I think the permitted noise level is 42dB at the nearest window of a liveable room of a neighbouring property. You can calculate it yourself using the...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: MCS Certified installer problem

I don't have much to go in for scale, but it doesn't look like it would fit in that gap to me

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP at cold temperatures

I'm not sure I entirely understand the problem. Your house has been cooling by 1 or 2 degrees per hour every day for the last week? What temperature d...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MCS Certified installer problem

@parmstar I tend to think that a hybrid system means there's two things to go wrong instead of one so if it were me I'd just get the bigger pump as we...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan not good enough ?

@goody is that all your rooms? It doesn't mention any bathrooms or toilets. It also looks like the MCS calculator so it's a shame they didn't give tha...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MCS Certified installer problem

@parmstar I guess it's a good result. If you used the BUS grant then you'll no longer be eligible if it's a hybrid system. I don't know if it would co...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan not good enough ?

Your positioning sounds fine. I would look to see if you have a full heat loss survey report as a pdf or an Excel document, then we could compare your...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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