
Last seen: Sep 11, 2025
I got distracted by the topic - sorry. I can't make the battery numbers stack up. You need the biggest solar PV system (I only have 4kW), use Octopu...
@derek-m and Bob - whilst I appreciate H2 could have some future for very high energy users (steel production), I really think it is the fossil fuel i...
One of the first questions ASHP installers check, is your electric supply. I am lucky to have a home built in 2001, rural, with a step down transform...
I currently have a Nest thermostat that controls my oil boiler for radiators and hot water. With TRVs on all radiators except the ones next to the th...
@nigel42 I would also look at the Solic 200 electric diverter. VERY well engineered and built in Britain. 10 year warranty. Fit and forget. But i...
I think battery size / range is just another measure / choice when selecting an EV. Just like ICE performance and price. Else we would all be drivin...
Had my PV system for 9 years (Feb 2012). Originally cost £10,250. I am lucky to get the full Feed In Tariff (FiT) payments (currently 55p/kWh genera...
I've generated 33,725kWh over 9 years or 3,747kWh per annum. From a 4kW system. Worcestershire. Exactly South facing. 44 degree sloping roof. No ...
Not that I want to talk you out of your chosen heat pump, but if you picked a different model, then the PP issue goes away? I am purchasing a 18kW Da...
Greetings green fellows 🙂 I am Julian and been contributing to Mars YouTube and previous forum. I am married to Jackie. We have a 21 year old da...
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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 , 10 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
@guydeb The guidelines are possibly written to be defin...
By Toodles , 2 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 , 2 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 , 2 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 , 2 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 , 8 hours ago
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 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 , 24 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 1 day 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 , 1 day 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 , 2 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 , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago