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Last seen: Jul 7, 2026
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...
A2A is better at cooling, and has no risk of condensation because the heat is transported as latent not sensible. Condensation only occurs on the heat...
Currently, I send water above the dew point (17°C) into the slabs. The effect is... subtle. In fact I can't really tell whether it's doing anything. Y...
Not my style 🤣 🤣 The installation you're planning looks like the one I'm building (FCUs + UFH) except I'm adding a wood furnace whi...
Hi I'll skip the feedback sandwich 😉 UFH corrugated stainless steel pipe - looks horribly expensive but if money is not an issue then no problem....
Looks like it, but on the other hand, considering how the climate is going, perhaps you won't need heating by then 🤣 That's the whole poi...
Sounds about as reliable as when Daddy Elon says he'll be on Mars by that time. Unless the actual meaning is "95% of the electricity you'll be able ...
On the two huge (10m² each) south facing windows I installed perforated rolling shutters, galvanized steel, painted white. They don't look as good as ...
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Degrees of Separation
Latest Posts
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RE: Electricity price predictions
@jamespa I’m unable to offer any solutions, I’m not an ...
By Papahuhu , 9 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: GotGordon Manufacturer: Samsun...
By Gotgordon , 9 hours ago
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RE: Summer heat is becoming the new winter cold in the UK. What are you doing about it?
@ian33a I am not easy with sleep either unfortunately…....
By MK4 , 11 hours ago
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RE: Renewables uptake near you
In a village of under 40 houses...Conservation Area. I'...
By Tim441 , 22 hours ago
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RE: Home Alone with Home Assistant (previously A Beginner's Guide to ASHP Monitoring)
Great news, @bontwoody.
By Majordennisbloodnok , 23 hours ago
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Haier R290 Super Aqua Monobloc. Output capacity tables.
As I mentioned in my introduction post, I've been consi...
By Singlespeed , 24 hours ago
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RE: Air to air bus grant installer anywhere
I am consistently told by aircon folks (ie air/air) tha...
By EtchedPixels , 1 day ago
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RE: What is possible with FIT, SEG, Hate Pumps and Batteries?
Thank you, everyone, for your replies. Our FIT provid...
By ian33a , 2 days ago
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@mk4 And of course, the panels are less productive due ...
By Toodles , 2 days ago
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RE: GivEnergy inverter tripping due to over-voltage?
I'm trying to get clarity on exactly when the inverter ...
By Tim441 , 2 days ago
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RE: Samsung Heat Pump – Can't Activate TW2 Pipe Sensor (for Delta T Control)
Autocorrupt seems to be working overtime.
By Majordennisbloodnok , 2 days ago
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RE: Vehicle-to-Home with a Heat Pump: Is the Technology Ready and Which EV Should I Buy?
I looked into that wallbox a bit more off the back of t...
By Majordennisbloodnok , 3 days ago
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RE: Say hello and introduce yourself
@jandp awesome system I hope it works out well.
By Judith , 3 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@bobflux That's the stuff. The installer recommended tw...
By tomasmcguinness , 5 days ago
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