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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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Degrees of Separation
Latest Posts
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 5 hours ago
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RE: Who's your electricity provider and what's your tariff?
Hope you are hearing from a good source? Call me old ...
By Batpred , 5 hours ago
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RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 7 hours ago
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RE: Why are ASHP installs so expensive?
It seems a quite comprehensive breakdown. I will try to...
By Batpred , 7 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 13 hours ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 14 hours ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 16 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 1 day ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 1 day ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 2 days ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 3 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 4 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 4 days ago



