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Last seen: Apr 15, 2026
hey @judith, which “open” battery systems might be on a potential future shortlist?
This for me raises the question of how economically sustainable a lot of renewable suppliers are. I’ve held off making a big investment in batteries b...
I settled on 9 kw after: 1. Doing heat loss calcs using free online calculators to give me an idea of the likely requirement 2. the installer got ...
Another quick update. As mentioned over the Christmas period I asked for a few quotes. I had some good calls with Heat Pump Installers and provided...
So an update - it's been a fun few days! Cold, but fun. We lucked out with the engineer Daikin provided for the visit on Thursday - it was Peter, wh...
Many thanks @judith. The engineer was from Daikin rather than an installer. His comment was that if it were his money, he would possibly consider re...
Thanks @bontwoody and yes, I think I probably can replace the old external pump with a new one for similar costs to yours. Were you tempted to upgra...
I don't have a battery yet, but with an ASHP / high consumption and Agile Octopus, there's quite a strong business case with a 5 to 7 year payback dep...
FWIW my 16kw Daikin split LT was installed in 2009! It was the Wild West back then… the installer went just before we even moved in…
I shall be following this topic with interest - I had no idea it might be possible to see what a system's real world COP is! I'd be happy if I could j...
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@transparent Its 10mm pipe in there so well insulated. ...
By David999 , 40 seconds ago
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RE: Electricity price predictions
@toodles Exactly my own thoughts when I read about this...
By KevH , 1 hour ago
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RE: How much can an east/west solar solar system be oversized?
@editor , we managed to avoid the cowboys. This is a bo...
By colinc , 2 hours ago
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RE: Rate the quality of your heat pump design and installation
@keithb I actually found a video on YouTube to set weat...
By Josejo , 4 hours ago
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RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
Glad the heating is changed. Monitor and tweak if nece...
By JamesPa , 8 hours ago
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Without a detailed analysis of the hydrodynamics I woul...
By JamesPa , 8 hours ago
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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 , 17 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 , 18 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 , 19 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 , 1 day 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 , 2 days 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 , 2 days ago
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RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
By Toodles , 2 days 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 , 3 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 , 3 days ago
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RE: Anyone concerned about GivEnergy?
Thanks for your advice - I'll keep trying with the inst...
By JohnDwyer , 3 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 , 3 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 , 3 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 , 4 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 , 4 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 , 4 days ago



