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@editor
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Illustrious Member
Joined: Feb 11, 2021
Last seen: Aug 21, 2025
Profile Activity
Topics: 305 / Replies: 3079
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Reply
RE: Measuring your COP

@grahamh, if I'm honest I Most people here have paid in excess of £12,000 for their heap pumps to be installed professionally, but the installations ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Yearly maintenance

@Morgan, most services I've heard of are around £250, but cost of living may have driven this up. To be honest, even £250 is a significant amount of...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Yearly maintenance

@morgan, yikes, that’s expensive.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Win an Eve Energy smart plug and power metre

Not MQTT as far I’m aware but it is Thread enabled and will run on Matter when it’s readily available allowing it to communicate with non-iOS devices,...

3 years ago
Forum
Your Home
Reply
RE: Measuring your COP

The installers were helpful and finally moved the filter inside for easier access, but the flow issues persisted which prompted them to add more distr...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

All ASHPs require a minimum flow rate to protect the heat pump unit. I suspect yours has a threshold too, but you haven’t been affected by that yet as...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Real world COP vs. manufacturer claim

@oswiul that’s very good. I may have to steal that as a headline for my next post that I’m working in.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

Sadly, the MCS are a toothless organization that I had a lot of faith in when we started RHH and have had regular contact with them. I am fortunate to...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

On the subject of COP, I have to disagree because it should matter greatly. Each and every MCS-accredited heat pump in the UK has a published COP for ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@grahamh, and therein lies the biggest issue for me with the ASHP industry. Running costs don't correlate with the heat they produce (and the manufact...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Real world COP vs. manufacturer claim

Our lifetime COP is 2.7 and the published COP of our 18kW Global Energy Systems heat pump is supposed to be 3.46 at 45C flow temperature.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Real world COP vs. manufacturer claim
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 12
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