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Judith
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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Aug 1, 2025
Profile Activity
Topics: 2 / Replies: 367
AllTopicsReplies
Reply
RE: Not a good January? My heat pump used 840 KWh of electricity

Ours used 993kWh of electricity for heating and DHW in January. As below a7kW Vaillant heating a190m^2 house, (1950s) with supplementary wood burner u...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar Performance

Our 6kW produced the lowest ever day this week 0.3kWh!

6 months ago
Forum
Solar Photovoltaic (PV)
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RE: Thread subscription.

I’ve only just noticed the “subscribe to this topic” tick box! Now I’ve seen it I’ll unsubscribe in general since I have to delete a lot of stuff from...

6 months ago
Forum
Introductions, Forum Rules & Updates
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RE: Just one room not reaching desired temperature

@chandyKris We had to turn one of the bedroom radiators to nearly off to force the water to flow to the lounge two. At first the installer did the bal...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 port buffer tank connections

@editor I must learn how to select an emoji to indicate extreme irony, or probably better still don’t indulge it in writing. You kindly showed the rig...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 port buffer tank connections

I’m assuming that this means that as installer mistakes go this way of piping up a buffer is pretty bad? The correction should be to re-pipe it as a v...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump quotes: Advice needed

@chansug new radiators work well with all boilers, just turn the temperature down on the boiler so you get improved efficiency as a benefit A 12kW a...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: GivEnergy 2025 forthcoming batteries and inverters

@transparent I got as far as realising that patience would be a necessity! I did know the above at a superficial level but you have spelt it out clear...

6 months ago
Forum
Energy Storage
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RE: 4 port buffer tank connections

@iraknic the connection diagram you provide looks very like it might be A cause (not necessarily the only one) of your poor performance. My reasoning ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: GivEnergy 2025 forthcoming batteries and inverters

I’ve had no personal performance issues with our 9.5kWh battery at all. It chugs along nicely doing its job. BUT although GE routinely say their pro...

6 months ago
Forum
Energy Storage
Reply
RE: Heat pump quotes: Advice needed

@benson my problem was finding out that it was a Midea and I’d started to read the issues that some people had. I realise that other manufacturers als...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing Worcester oil boiler with an ASHP

@julianc 190m2 and not done a full year yet on ashp. Annual gas usage ~17,000kWh but efficiency unknown. We’ve used the wood burner a similar number o...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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