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GrahamF
GrahamF
@grahamf
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Reputable Member
Joined: May 2, 2025
Last seen: Feb 6, 2026
Profile Activity
Topics: 6 / Replies: 104
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RE: Gaslighting in the heat pump industry – has anyone else experienced this?

I was asked to help a lady who had an Ideal heat pump installed under the ECO4 scheme. She asked for help, because the lounge thermometer was reporti...

14 hours ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Best temperature wave form for best economy and efficiency .

@jamespa I read the original post, which I interpreted as saying that he wants the house to be 16C during the day and 15C at night. I think he is a f...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cascade 2x Grant Areona 10kw ASHP - Ongoing setup issues

This may not be a helpful post, as you have already purchased the equipment, but I have a couple of questions: Assuming you have just installed th...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Best temperature wave form for best economy and efficiency .

A couple of suggestions:   It is important to set the weather compensation curve correctly at both ends. Otherwise, a change of outdoor te...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Volumiser required on Grant R290 air source heat pump?

I have a Grant Aerona R290 15.5kW heat pump, which is running very nicely. Certainly don't go for the Aerona3 R32 heat pump or its antiquated control...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Volumiser required on Grant R290 air source heat pump?

@jamespa I agree that it is important to avoid a 4 port buffer or low loss header, due to the impact on efficiency. My understanding is that volumis...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Same Heat Pump Size, Different Sized Homes: Would One Be More Efficient?

I would agree with your view that the larger house will be less efficient. The basis for this is: There might be longer pipe runs outside the hea...

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?

@toodles interesting suggestion, thanks. I will try to resist the temptation to hijack someone else's topic to solve my problems!

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice on internal circulation pump noise

@jtg while you are checking the plumbing of the buffer tank, make sure the flows are at the top and the returns are at the bottom. Mars explains in t...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice on internal circulation pump noise

I agree with @jamespa that your buffer tank and secondary pump may not be required at all. I have a 1960s two storey house with 30 radiators. I have...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?

A quick Google search showed that building regulations have required floors to be insulated since 1990, so you should have some. However, your floor ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Diagnostic Data Needed for Repeatedly Failing Tesla Powerwall 3 System

@batpred I installed Home Assistant on my MacBook Pro last night. This is just a temporary platform for me to learn about it. I tried to use the Tes...

2 months ago
Forum
Energy Storage
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