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Last seen: Jul 6, 2026
The hardware is the same, the UI is a bit different. Deye do not sell into the UK market or I believe have UK certifications. There's a very complicat...
For most vulnerable and poor people you need to be talking to their landlord, who increasingly is a large mostly US venture capital fund who a) doesn'...
Just one note - if you are Dutch then Deye and Sunsynk are basically the same (the relationship is a lot more complicated) but it's basically the same...
Technically the vote (and thus the "will of parliament") is the decider but the number of votes a ruling party in the UK has lost in the last 50 years...
BS7671 is only relevant through Building Regulations Part P. If the government uses secondary legislation to amend Part P, or to clarify that...
@toodles With a phase change material the point is that the building doesn't change temperature due to the phase change. Instead it sits stubbornly at...
Stratification and size changes too. Phase change materials tend to change size and thus need a rather more flexible containment. There has been a d...
That will be absolutely murdering your energy efficiency unless properly abated when not in use, and it also drives losses in places you don't expect ...
The cooling side works much better if you can figure out how to get the energy out. The amount of kWh involved in freezing or melting a cubic metre of...
For passivehaus btw you also need to consider just using an electric heater (or even a large dog) as at that level of efficiency it can be that you si...
Whats more relevant is that a badly installed air/air system has a COP of near 4. Given the kind of people who do a lot of installs this is a feature ...
Why get a battery pre-built ? 1. Because you need the tools and to know how to do it safely. Things like gloves, no jewellery etc, correct torquing ...
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Degrees of Separation
Latest Posts
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RE: Electricity price predictions
Chinese manufacturing has the ability to be very good q...
By Majordennisbloodnok , 42 minutes 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 , 12 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 , 13 hours ago
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RE: Renewables uptake near you
In a village of under 40 houses...Conservation Area. I'...
By Tim441 , 1 day ago
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RE: Home Alone with Home Assistant (previously A Beginner's Guide to ASHP Monitoring)
Great news, @bontwoody.
By Majordennisbloodnok , 1 day 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 , 1 day 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 , 2 days 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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