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IvanOpinion
@ivanopinion
Member
Estimable Member
Joined: Mar 22, 2024
Last seen: Feb 21, 2025
Profile Activity
Topics: 1 / Replies: 71
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Reply
RE: Do you know the lifespan of your heat pump?

The figure I've seen claimed is usually 20 years.

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

An interesting experiment on LLHs.

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy 6 launched

@HughF I agree that Octopus are probably just aiming to achieve parity with gas running costs, though I think to do this they are going to need SCOPs ...

10 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Confusion over Octopus Tariffs

You may well find that Agile Import is cheaper than Cosy. There are various apps (such as Octopus Compare) which will download your half hourly usage ...

10 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: How Government Grants May Be Inflating Heat Pump Installation Prices and What Could Happen If They’re Scrapped

I can certainly believe that some installers are padding their quotes a bit, knowing that the £7.5k BUS will still result in a net cost that enough cu...

10 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Octopus Cosy 6 launched

The Cosy 6 now has MCS certification, so you can see the SCOP figures, which seem pretty poor. Certification number HP0255/03. Interestingly, the SC...

10 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Lambda Eureka Air heat pumps

I find the MCS database very difficult to understand.

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Lambda Eureka Air heat pumps

The maximum Lambda sound power seems to be 56dB, judging by the tech specs: Which is better than, say, Daikin, but not better than some on the UK mar...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Lambda Eureka Air heat pumps
11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 5
Views: 1068
Reply
RE: SCOP and seasonal variations

You might find some useful information on Michael de Podesta's blog. For instance, this post shows the distribution of levels of heat demand over an a...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?

Yes, it is one of those two who first alerted me to the problems with the Daikin 9kW. Octopus have agreed to do a resurvey, so we will see if they red...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?

That's one of my main objections to Octopus wanting to fit the Daikin 9kW, based on a heat loss figure of 8.8kW, which I'm convinced should be no more...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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