Last seen: Sep 12, 2025
Hi @ninja-tiger, I think British Gas might be stalling or not wanting to do the install. The job might not be as straightforward as a simple gas boile...
@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...
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RE: Midea ASHP – how to set weather compensation
It's totally dependent on the lock shield, some are ter...
By JamesPa , 41 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Vat free applies to supply and install only no DIY. &...
By JamesPa , 58 minutes ago
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RE: Humming sound on new install.
One other thing, I haven’t balanced the rads yet so cur...
By AdamK , 8 hours ago
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Funny story Graham, when I started looking to ...
By DREI , 8 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 12 hours ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 14 hours ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 15 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Yes Octopus only have the £9 a month service plan for t...
By NJT , 16 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 17 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 17 hours ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 23 hours ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 2 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 2 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 2 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 2 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 3 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 3 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 3 days ago