Last seen: Jun 27, 2025
OK, so you've replaced a pellet boiler which was probably around 24-30kW, and would have been batch fired into a large thermal store or buffer tank. T...
Secondary bypass is here, black top...
The Warmflow AS03-R32 is a 20kW rated unit, it's quite a beast. Let's assume that it's running those rads at a fixed temperature of 50 degrees, close ...
@oswiu the building regs from 5 yrs ago made no recommendations for air tightness, that has only just come in with the changes to part L. The OPs ho...
You should have moved to a smaller house 🤣 and not installed a grant, or in your case two of the darn things… They're good units, made in Japan by C...
@mcwatson1974 11m of bifolds, there’s your problem right there…. did you have a blower door test done on completion? It might have loads of insulati...
The shouldn't reject it on planning, the noise thing is an issue for environmental health, not planning. Planning won't listen to your whining neighbo...
All this talk of obfuscation..... I just sent an email to the MD of my ASHP supplier and said 'can I have the modbus register map please' - got a PDF ...
So aside from the PD issue (easily resolved with a retrospective planning application), what's the issue here? Given that RHI has stopped, I can't see...
@mcwatson1974 Congratulations, you've found the heat loss of your house, it matches whatever heat output your 8kW ecodan was delivering when it was co...
My 10.6kWh slab of 11 year old LiFePo4 is in an unheated shed, I limit my charge rate to 20a in this temperature and limit my discharge rate too (no e...
Interesting.... Although we're trying to get the unit costs down, I fail to see how manufacturing in the UK achieves that. Let's hope they start wi...
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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 , 8 minutes ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay and others. So now I am running an open sys...
By pash44pump , 2 hours 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 , 7 hours ago
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Funny story Graham, when I started looking to ...
By DREI , 7 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 11 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 , 13 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 , 14 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 , 16 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 , 16 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 , 22 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