Last seen: Mar 4, 2025
@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...
@transparent Yes, flash to V2H. The reason to add extra meters would be to evaluate the round trip inverter-car-inverter performance. There is ...
@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...
@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 ...
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...
@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...
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,...
@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...
@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...
@cathoderay Often these days you can borrow a thermal camera, lots of organisations have them. Eg. Cambridge Carbon Footprint will lend one out fo...
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...
@chickenbig You can borrow a thermal camera from Cambridge Carbon Footprint, free:-). They offer training courses too, free:-). I’m in Cambridge,...
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Heat Pump Dramas?
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Latest Posts
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@drew-pa that’s one of the cheaper ones so far.
By Mars , 11 hours ago
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Grant Aerona fine tuning advice needed
Looking to fine tune my settings. Currently running ab...
By Stopbar , 12 hours ago
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RE: Who's your electricity provider and what's your tariff?
@adrian it does look like they’ve updated their outgoin...
By Arundalep , 13 hours ago
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RE: DHW temp Samsung AE120RXYDEG 12kw ASHP with Gen 6 controller
I agree, it doesn't look like that was the culprit, but...
By Old_Scientist , 15 hours ago
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If you think your heat loss is between 4.5 and 8.5, the...
By JamesPa , 15 hours ago
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RE: Heat Pump Sizing & Installation Costs
1970s 4-bed detached house approx 168 sq.m internal are...
By JohnR , 20 hours ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
Away at present. Hence the delay. Will get back asap. ...
By cliffhanger , 24 hours ago
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RE: Setback savings - fact or fiction?
The lower the DT the higher the flow rate. The lower ...
By BobTSkutter , 2 days ago
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RE: New kitchen with no walls – will fan coil units work?
Thanks. That explains the strangely-shaped 'feet' (loo...
By IanMK13 , 2 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
I’ve updated Bodge Buster for 2025 to empower homeowner...
By Mars , 2 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Aira, the Swedish, end to end manufacturer, system desi...
By KevinPotts , 2 days ago
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Unfortunately for your argument the best performing Dai...
By RobS , 2 days ago
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RE: Grant ASHP not reaching target temperatures
@mikefl Thank you. I’m not sure how to do these checks ...
By Hillswick , 3 days ago
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RE: Transforming a Derbyshire Property into an Energy-Efficient Haven
@carpenterstation That's helpful, thank you. The de...
By Morgan , 3 days ago
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa Homely does address many of these issues, but ...
By Arundalep , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
There is absolutely nothing wrong with buffer tanks in ...
By JamesPa , 3 days ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire
@abernyte thanks tbh I was more thinking about bolsteri...
By DowallyDrifter , 3 days ago
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RE: Battery storage to run Heat Pump.
@jeff The government are quite happy for the network ...
By Lucia , 4 days ago
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RE: Adjusting 6kW Daikin's Weather Compensation Curve
@jamespa I'm grateful for your advice.
By Ubert767 , 4 days ago
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RE: Say hello and introduce yourself
@carrownisky where are you based? Would you like me con...
By Mars , 4 days ago
Latest Topics
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Grant Aerona fine tuning advice needed
By Stopbar 12 hours ago
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Adjusting 6kW Daikin's Weather Compensation Curve
By Ubert767 4 days ago
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Should I make my radiators smaller?
By Scalextrix 5 days ago
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Daikin Heat Pump Cycling Frequency?
By Ubert767 6 days ago
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Battery storage to run Heat Pump.
By Broadsman 6 days ago