Last seen: Dec 18, 2025
@windsor-tg Sunsynk battery data sheet./p> Seems to indicate no de-rating between 0 and 50degC. 'Operating temperature' might be inside the battery,...
Solar diverter for DHW = free (when surplus solar) * Heat pump for DHW = 200-250% efficient (by far the most efficient electrical method of producin...
That's a tidy install @windsor-tg. Li-ion batteries only tend to de-rate charging capacity below 0degC. How often does your garage get below 0degC? Yo...
Hi @adamm, nothing special, 30mm sealed argon filled PVCu DG units, to front of house 2yrs old, to rear of house 15yrs old, 200mm loft insulation. PVC...
@adamm. MCS energy consumption predictions for my Grant 10kW ASHP were well out for both estimated existing and future. So far out as to be disregarde...
Hi @ =adamm, I am 70 miles south o' the border, in North East England. But converted oil boiler to ASHP a year ago. No regrets, but quite a learning e...
@transparent they are Craig and Derricott EPV252 25A 2 pole rotary isolators. Designed for DC voltage and Solar PV isolation, 25A @ 800V.
@transparent black isolators are DC solar PV isolators, two strings, one 4 panel, one 5 panel. I await the DC MCB from L R Renewables by Mail and a da...
All done now, 13kW storage. But the installer forgot to include a 125A DC MCB to the new battery, so a percentage of the cost withheld and they’re com...
Hi @Tufty Insulation looks adequate, it's a little short on one of the external pipes to the unit, and a little untidy inside, and missing over isolat...
Yes. We light the log burner some evenings now, more for the aesthetic rather than the comfort. It takes the chill off the house and saves putting the...
Glycol - good for frost protection, not so good for thermal performance. Be mindful that increasing the concentration of glycol to lower the freezing ...
Latest Posts
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Hi @mickamills . Welcome to the forum. It sounds like...
By bontwoody , 4 minutes ago
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RE: External pipework insulation
@transparent I hope you are not being admonished @trans...
By Toodles , 13 minutes ago
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RE: Setback savings - fact or fiction?
Oops, well spotted, thanks. Yes they are the wrong way ...
By cathodeRay , 30 minutes ago
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@transparent They’d be the Pyro Nicotinus strain I imag...
By Toodles , 35 minutes ago
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@gruff2001 Our Growatt 13 kWh system charges about 11.7...
By ChandyKris , 55 minutes ago
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RE: Mitsubishi Ecodan R290 10kW performance
All noted, Im not doubting you, just trying to be certa...
By JamesPa , 4 hours ago
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RE: New Fogstar 15.5kWh upright solution
We're at cross purposes. You're telling us about Inst...
By Transparent , 5 hours ago
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RE: Speedcomfort radiator fans
Hi Mars. By coincidence, I ordered one of these a week ...
By Richard24738 , 5 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
The FT levels off at either the set point OR the minimu...
By AndrewJ , 21 hours ago
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RE: MyVaillant Connect Regular Disconnect
Thanks. Yes, if the time is consistently 11pm every nig...
By buckwem , 21 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump I have yet to come across any Clivet or Mid...
By benson , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@transparent Thanks, this helps. Could it be that St...
By Batpred , 1 day ago
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RE: Clivet ASHPs and weather compensation
Simon did share a lot of very helpful advice. On furthe...
By ambris , 1 day ago
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RE: Advice on internal circulation pump noise
Extend the primary branch and make sure you have more t...
By ASHP-BOBBA , 2 days ago
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RE: Jokes and fun posts about heat pumps and renewables
By Morgan , 2 days ago
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RE: Controlling Daikin Altherma via P1P2 and Home Assistant
On the contrary, @toodles, that’s a lot of help. I’d ne...
By Majordennisbloodnok , 2 days ago
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Parsnip, Bacon & Coconut Milk Soup
First let me say, I am only a cook because I am human a...
By Toodles , 3 days ago
