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robl
@robl
Member
Honorable Member
2570 kWhs
Joined: Mar 23, 2022
Last seen: Mar 4, 2025
Profile Activity
Topics: 1 / Replies: 198
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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
Reply
RE: Electricity price predictions

Polly Toynbee has an article in the guardian, wanting to get rid of the standing charge - and even to go beyond that and make initial energy use free,...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Heat recovery systems

@heat-pump-newbie We have a Vent Axia Sentinel Kinetic Plus BH. Which I recommend, had it maybe 8 years, never gone wrong. It has a kitchen extra...

3 years ago
Forum
Well & Truly Off The Grid
Reply
RE: 14kW Midea ASHP in an old leaky building

@derek-m For older heatpumps or fridges that don't have an inverter, starting up the compressor is quite stressful, the unit literally twists on th...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@cathoderay Often these days you can borrow a thermal camera, lots of organisations have them. Eg. Cambridge Carbon Footprint will lend one out fo...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

Bear with me on this…. Most base things we measure are quantities, not rates… Miles, kg, apples, bananas. The rate for miles is then in miles per hou...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Looking to make our 2 bedroom Victorian mid-terrace house greener

@chickenbig You can borrow a thermal camera from Cambridge Carbon Footprint, free:-). They offer training courses too, free:-). I’m in Cambridge,...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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