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Last seen: Jul 27, 2026
I don't remember the manufacturer name, but I saw similar products. It looks like a fan coil, you can mount it in a ceiling. There's an air to water h...
UFH is ideal to get max efficiency with a heat pump, but you need a properly designed UFH. - Correct pipe spacing (calculated from heat loss) to del...
Sun getting through the windows: if you don't have solar protection on the windows (blinds, louvred shutters, etc) then the sun can pump close to 1kW/...
+1 that works well If most of the thermal mass is in the slab (the rest being drywall with interior insulation), and you can control the slab temper...
If it's a data cable, current will be minuscule, voltage drop irrelevant. If they run significant current through it then they should call it "power...
In France we had such scheme with wind turbines. Investors own a share of the wind turbine, and cash in a share of the profits, but an overlooked de...
Office (blue) and Living Room (orange) have UFH, running 18°C water from the heat pump about 12 hours a day (on free PV). Living room also has a mob...
Watts Microflex Duo, intended for burial, about 45€/m, with 2x 26/32mm Barrier PEX. It is quite stiff and difficult to manoeuver but it does the job...
The drawing is fine and perfectly understandable except "NRV" which has the symbol of a pump but I guess "NRV" means "Non return valve" or "Check valv...
If flow is too low, the heat pump will probably throw a fault. High flow is not a problem for the heat pump, it'll work fine. Higher flow gives lowe...
Oh my, bureaucracy at its finest! Does that imply that the reason why both my PV inverters and heat pump have a 8 pin connector with extremely basic...
In fact inverters with a bit of local energy storage could also do that, if programmed accordingly. Sadly it doesn't seem the current hardware is prog...
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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 , 25 minutes 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 , 14 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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