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Last seen: Jul 27, 2026
I think we're still going to try hydrogen for residential heating on a small scale, then walk it back after a few buildings get launched into low eart...
Hmm I should have explained it better... Problem with these devices: they have only one pipe. Thus they suck in already conditioned air out of the r...
You guys have it easy It's engineering: calories in, calories out. What I had: stone house, built 1732, 50cm thick walls, estimated thermal mass...
I'd say it's up to you to decide between these two behaviors: * Manual balancing valves * For example Caleffi 132 which has a manual valve and flo...
Same here lol The fact the house had been heated for 40 years by a 12kW ground source heat pump could provide a bit of a hint about the actual heat ...
UFH manifolds are horribly expensive usually, except Chinese models. However manifolds for domestic water (or for heating but not UFH) are quite cheap...
Without information about where and how it was measured, this is useless. Don't even know if DC or AC. EBUS has 20VDC between the two wires when idl...
Single phase heat pump inverter drive consists of boost power factor correction, HV DC bus caps, then three phase full bridge inverter driving the mot...
If you have two isolating valves (one on each end of each loop) which you should in order to isolate a loop in case the pipe or the pipe fitting leaks...
As water flow temperature increases, heat pump COP decreases, therefore you pay more in electricity for the same amount of heat energy if you want it ...
Yes you can do that, you can also send the water first through the FCUs then through the slabs. In both cases the return temperature to the heat pum...
In my previous apartment I put a 10 liter water heater right below the kitchen sink. Instant hot water to the tap, but only 2kW power consumption, muc...
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Degrees of Separation
Latest Posts
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RE: Jokes and fun posts about heat pumps and renewables
@transparent I’ve heard that that is why American cars ...
By Toodles , 1 hour ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
By Old_Scientist , 15 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist if you are going DIY then you may wan...
By Papahuhu , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 2 days ago
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 2 days ago
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 3 days ago
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Who did the Freedom Heat Pump cloud server and what did...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
Reading between the lines of what octopus are doing wit...
By JamesPa , 3 days ago
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 3 days ago
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I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 3 days ago
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@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 3 days ago
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@editor wellvery comprehensive answer. I will get all i...
By Keithb , 3 days ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
By PaulC , 3 days ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 4 days ago
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