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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 13, 2025
Profile Activity
Topics: 17 / Replies: 2841
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RE: Grant 13kW Aerona3 - issues getting zones to temp

I think that's a fundamental limitation with weather compensation, and probably why we didn't adopt it (unlike many other countries). Balancing radia...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installations in Flats

Permissions and access are the issues. Planning permission will be needed unless it's the first on the building or within the curtilage and ir meets ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

@crimson As Im sure you know there are various things that stop ASHPs (and boilers) running including but by no means limited to Flow too low (...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Sorry to hear your problems but it sounds like you are now on the right track. It also sounds like you have learned a lot about heat pumps during your...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump sizing - Further adventures of a boiler owner

There is sometimes quite a good argument for this and many heat pumps do have the capability to drive electric heaters inline. Check actual specs at ...

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

In this case it's in the case. There is also conclusive evidence that it reacts to what the heat pump is doing.

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

Yes but -they are all for the same house which means we dont have any experimental handle on how general the conclusions may be. On the other hand w...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Any recommendations for smart TRVs possibly compatible with MEL Cloud?

Adiathermal are developing smart TRVs specifically designed for heat pumps, with an integrated control circuit that controls the flow temperature. I ...

11 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Installing a heat pump in a Grade II listed property

Well indeed, but I dont think we have any chance of collecting enough data to follow the epidemiological approach. The only people who might are Octo...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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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