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robl
@robl
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Honorable Member
Joined: Mar 23, 2022
Last seen: Oct 2, 2025
Profile Activity
Topics: 1 / Replies: 204
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RE: Where to place the hot water cylinder?

I would try hard to put it inside the thermal envelope of the house. They're not normally noisy, but there's always lots of pipes, valves, an immersi...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Graham Hendra’s e-book is out on Kindle

@hughf I generally buy kindle books these days, my close up eyesight isn't as good as it used to be, so I find it easier to read. I also appreciat...

3 years ago
Forum
Buy & Sell
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Excess elec is a financial issue, rather than a green one; it will always find a good home, you just might not get paid for it! At the m...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg I expect the heatexchanger box will already be insulated inside. If it's easy to open, take a look and pics are always good! I'm suggesti...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg I think it is fine to insulate controls, just you can't get to them so easily. It's electrical stuff that shouldn't be, as it is a heat so...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg There is a lot of stuff there, it’s a neat job. Have I understood correctly: A is a heatexchanger box, likely glycol:water, probably has a ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Heatpumps will give a poor COP heating dhw - they have to run hot which they don't like, and there's often a lot of pipework that gets heat...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Indra V2H Trial

@transparent Yes, flash to V2H. The reason to add extra meters would be to evaluate the round trip inverter-car-inverter performance. There is ...

3 years ago
Forum
Energy Storage
Reply
RE: Indra V2H Trial

@jeff I'm pretty sure they are the same unit! We are still on the Ovo V2G trial, it finishes in a few weeks. The original installation involved a cu...

3 years ago
Forum
Energy Storage
Reply
RE: Ice Energy Step Controller Settings

@alanb Hope you’re getting over the lurgie, there’s a lot of it about! I can understand you wanting to reduce your electricity use, it is high. Can ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Salt heat batteries

I found a website with a bit more technical writing on it: I haven't seen the efficiency of it anywhere, and I think it needs a source of heat of...

3 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Electricity price predictions

@Mars I know you have a very large property, which will have a large surface area so lots of places for heat to leak out. Would EWI (External Wall In...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
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