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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 15, 2025
Profile Activity
Topics: 17 / Replies: 2855
AllTopicsReplies
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RE: Business case for a battery?

That's fair I agree this is too crude. It needs to be done properly or not at all. There are at least four companies developing various smart c...

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

I think most of your criticism of the denz proposal makes sense to me although I can see why turning off heat pumps is attractive. Houses are large s...

11 months ago
Forum
Energy Storage
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

The Grant R290s (if thats what you have) may just be Midea based. If so then you could contact Adia (see my post above). They are looking for test s...

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

11 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 ...

11 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
Reply
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)
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