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GrahamF
GrahamF
@grahamf
Member
Estimable Member
Joined: May 2, 2025
Last seen: Oct 4, 2025
Profile Activity
Topics: 3 / Replies: 53
AllTopicsReplies
Reply
RE: Big Changes Coming to Our Heat Pump System

@editor your engineer's attitude is truly horrifying. I suspect he realises that he messed up, but can't bear to face up to it. Anyway, once The Ma...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to choose Towel Rails for an ASHP

@rob-nezard yes absolutely. Here is the link and a photo:

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to choose Towel Rails for an ASHP

We are going for Stelrad Vertical Ultra radiators in two of our bathrooms. They are K2s with up to three rails attached to them. This means that you...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House

It is interesting to see what our new Grant Aerona 290 15.5 kW heat pump is up to. Here is a snapshot from the Econet web site for the last 24 hour...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Testing new controls/monitoring for Midea Clone ASHP

Homely sounds like a good product, but I have reservations about their headline claim that the average home can save up to £444 per year. Their test...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: delta T = 10 (Daikin)

That seems like a large number. Our Grant Aerona 290 15.5kW is running with a Delta T between outlet and inlet of 2.7C at a current flow temperature ...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Who’s Caved and Switched the Heating On Already?

In the last week, the external temperature in south Manchester has varied between just under 10C and 19C. We certainly have had the heating turned on...

3 weeks ago
Forum
Your Home
Reply
RE: COP is not the only measure of efficiency

@jamespetts Interesting post, thanks. Here are my thoughts: 1. It is your comfort, your system and your money, so feel free to run it how you like...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House

@judith thanks for your suggestions. Starting from cold with the hot tap fully open, it takes 50 seconds for the water to come through warm in the ki...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Failing heat pump system - seeking thoughts on a rebuild

It would be helpful to know a bit more about the central heating. You say that it struggles to keep the house warm in winter: - Are you confident t...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Controls

@old_scientist sorry, I should have made it clear that I own a Grant Aerona, rather than a Samsung. For comparison, I access the data history via eit...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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