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Last seen: Apr 15, 2026
@editor FIT rate is determined by OFGEN, for a typical 2-4kW home system installed in 2010 on medium tariff, yes it’s that complex to work out your kW...
@jamespa to be that far out the assessor has got the insulation thickness of the floor, walls and ceiling too thin. i have 150mm thickness but its c...
@heatgeek Octopus recommended a Daikin 8kW for my property, but I wanted the Cosy6, 5.6kW, as it used R290. I had to agree to improve the insulation t...
@adamk I had 2 heat loss calculations on my house, and did one myself. Quite easy as you just need the wall types: outside, window, inside, party, cei...
@arundalep good advice about needing an EV to stay on the tariff. when I joined Octopus, I did their quick questionnaire to match my system to their...
@arundalep Do they check you have an EV, what if you buy an EV and sell it, do they then automatically take you off the EV tariff. What about if you...
@ellyse i was 63 when I had my PV and Battery setup, prices of batteries are continuing to fall. Get a quote and do the maths. If you assume a stand...
@adamk i chose octopus cosy tariff, which gives 8h a day at half price and 3h a day at 50% more (4pm-7pm) I have the battery set to top up during th...
@editor This model only has one compressor, cost saving, to do fridge and freezer; but it was touted as frost free, likely for the freezer only 🙂 ...
Manufacturer: Octopus Model: Cosy6 5.8kW Type: ASHP Arrangement: Mono Area of Country: West Midlands Home Type: SemiDetached Size: Square...
@majordennisbloodnok your tag line has a typo suus should be sumus (always)
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge no idea if they’ve made changes, but I got...
By AndrewJ , 1 hour ago
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RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
@wesleyp1874 if you are on Facebook there is a Grant un...
By Grantmethestrength , 2 hours ago
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RE: Rate the quality of your heat pump design and installation
@josej, this is exactly where the industry keeps trippi...
By Mars , 2 hours ago
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RE: Say hello and introduce yourself
@alva welcome to the forums and feel free to start a ne...
By Mars , 2 hours ago
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Ordering up the materials to install another 5 panels o...
By David999 , 2 hours ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
So under part G or the G3 rules you have a responsibili...
By ASHP-BOBBA , 3 hours ago
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I intend to replace the Plex pipework in the area of my...
By DavidAlgarve , 6 hours ago
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RE: Electricity price predictions
Mention on the news about Octopus and one or two other ...
By Toodles , 8 hours ago
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RE: Air-to-air heat pumps - best models and installers
Are you creating a whole new category for A2A?
By ASHP-BOBBA , 17 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
There isn’t as far as I know, @djh, but you’re welcome ...
By Majordennisbloodnok , 1 day ago
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?
Final Update. Yesterday, I was going through the moti...
By Unsure , 1 day ago
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RE: How much can an east/west solar solar system be oversized?
Best performance occurs with PV string near inverter no...
By bobflux , 1 day ago
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RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
By Toodles , 1 day ago
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RE: Selling 2 x Kensa Shoebox 7kw GSHP (New)
Hi Jain, we’ve got an ashp so I’m afraid we won’t be yo...
By Judith , 2 days ago
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No buffer or low loss header Grant controller in sens...
By JamesPa , 2 days ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
That's an amazing job to get all that in there! A truly...
By Batpred , 2 days ago
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RE: Anyone concerned about GivEnergy?
Thanks for your advice - I'll keep trying with the inst...
By JohnDwyer , 2 days ago
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RE: Plug and play solar. Thoughts?
I am also yet to find a case where an installation that...
By Batpred , 2 days ago
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
This is what I got from OVO. At least it was quick.. ...
By Batpred , 2 days ago
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RE: IVT greenline HT Plus E - Circulation Pump Constantly On
Welcome to the forums. Irrespective of which brand yo...
By Mars , 3 days ago
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RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?
Oh, how I love these old scientists!I'm in with your 5 ...
By LeJamaisContent , 3 days ago
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RE: Jokes and fun posts about heat pumps and renewables
@jamespa Someone who is not easily phased I suppose.
By Toodles , 3 days ago


