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Last seen: Aug 16, 2026
@batpred Many manufacturers sell only one or two models of heat pump, then add software limits to make intermediate power models. The result is, if...
AH (Absolute humidity) is grams of moisture per volume (or weight) of air. One cubic meter of air weighs about 1.3kg at 20°C sea level pressure. RH ...
If they don't do heat loss, you need another installer. For cooling in summer, there's another subtlety. In cooling mode, a fan coil unit uses a sig...
- Taxes on businesses are very high, plus bureaucratic and paperwork load incurs a heavy cost - Thus businesses must produce faster shoddier work at...
If you put a fan in a pipe you get a much more efficient ducted fan. To get a quiet heat pump you need a fan that spins as slow as possible while movi...
Particles floating in the water are a problem with moving seals like air vents or pressure relief valves, they get stuck in between the rubber seal an...
@trebor12345rebor12345 I got the circulator curves from the docs So at full power for deltaT 5°C it wants 10 l/min or 600 l/h ; at th...
These are a bit hard to read but the information is in there.
Most of the times whole house backup can't work without a large generator, simply because while a realistic PV installation can easily produce enough ...
+1 It's not just cloud though. Many devices have replaced the traditional screen and buttons with a much cheaper Bluetooth chip and a phone app. For ...
I brought my old R407C water to water heat pump to the local recycling center. They accept heat pump related things, old mobile aircon units, fridges,...
So true! Note I wasn't criticizing your message. Simply felt like ranting, because it's ridiculous we have to jump through these hoops to obtain bas...
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Degrees of Separation
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RE: Indevolt Batteries UK Support & Info Thread
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
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I don't notice mine defrosting, and most of the time Im...
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