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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 12, 2025
Profile Activity
Topics: 17 / Replies: 2832
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RE: Installing a heat pump in a Grade II listed property

Thinking further, we cant actually control the variables in either case (setback or no setback). So in both cases we have to build a model, and we ar...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installing a heat pump in a Grade II listed property

Thanks, I have grabbed the data and done some work, but want to spend at least a couple of elapsed days so I can think about it very carefully, includ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Business case for a battery?

All very interesting and particularly interesting how local the pinch points are. How to get from here to the binary decision 'should I get a batter...

11 months ago
Forum
Energy Storage
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RE: Does any have a robot vacuum cleaner?

It took four decades for the Daleks to get the upgrade so they weren't defeated by stairs. I suspect robot vacuums may be even longer.

11 months ago
Forum
Your Home
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RE: Installing a heat pump in a Grade II listed property

Thanks To keep things simple for an analysis I think we should stick to months when heating was definitely on, which I presume are October to March....

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installing a heat pump in a Grade II listed property

@cathoderay All noted A quick eyeballing of one of your earlier weekly graphs (and assuming that your house loss is ~8kW @-2C) suggests that the ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Business case for a battery?

I think that must be it thanks. I see that it was in fact @majordennisbloodnok who was saying that there was poor correlation.

11 months ago
Forum
Energy Storage
Reply
RE: Business case for a battery?

home storage batteries.

11 months ago
Forum
Energy Storage
Reply
RE: Installing a heat pump in a Grade II listed property

OK, so perhaps correlation was the wrong word. What I was hoping was that, if I consider the results (energy consumed) with no SB as one 'populatio...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Business case for a battery?

@transparent You have previously commented that there is little or no correlation between retail price and carbon intensity. Are you able to share th...

11 months ago
Forum
Energy Storage
Reply
RE: Ecodan ASHP - How to optimise my set up?

As @harriup says this needs to be fixed. Its worth noting that, later in the season, when defrost occurs, there will be short periods when return i...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is my setback/preheat doing any good?

This is exactly what the smart heat pump controllers like Homely, Passiv, Havenwise and Adia claim to do, taking into account weather forecasts, futur...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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