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JamesPa
JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Oct 23, 2026
Profile Activity
Topics: 28 / Replies: 5526
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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.

2 years ago
Forum
Energy Storage
Reply
RE: Business case for a battery?

home storage batteries.

2 years 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...

2 years 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...

2 years 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...

2 years 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...

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

You have a house with an enviously low loss and able to run at an enviously low flow temperature (29C!). I wish mine was like that! At a flow tempe...

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

Interesting data. Assuming a difference between the intake air sensor and the actual OAT of 2C, and that 600W is contributed from sources other than...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - Legionella Operation Time and Target Temperature

I would say for sure assuming it connects to the heat pump controller.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - Legionella Operation Time and Target Temperature

Many, if not most/all, ASHPs have their own tank sensor. Unlike the immersion thermostat it is analog not on/off so that the ASHP knows the actual te...

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

Good luck and no rush. Any new measurements that are made will be easier to interpret when it gets colder anyway.

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

AIT (air intake temperature) and energy will correlate well whatever the IAT is not least because the heat pump controller reacts to AIT alone and the...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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