Last seen: Jan 18, 2026
@old_scientist my Daikin ran for nearly 2 years following the cat-astrophic refrigerant leak, but with no error code. Once I'd persuaded the installer...
An update on the Heatsava. It is the most difficult thing to clean. I had to get a strong bloke to remove the heat cell, couldn’t get all the crud out...
Sadly my heat pump is a split system so I assume I need an F gas licenced engineer, or at least F gas licenced company, to service it, and they seem t...
This is very interesting - I have just had my ASHP split system serviced today by Daikin (actually an agent of theirs). I know the guy took photos of ...
Thanks @saenergy - I don't suppose the customer would be shown these calculations. I should change my name to PV-newbie 😀
Update ! I have had an Envirovent Heatsava installed. It seemed noisy at first but now we’re used to it. It’s on all the time, uses only 20 W, it ramp...
Hi Mars I did remove that little shed altogether. There are two gates enclosing the triangular shaped yard and I always leave the inner gate open to...
This is an excellent find ! I was on that EoH trial and I'm just trying to determine how much battery and pv to install. Thanks @allyfish
I had a "whole house survey" done as part of the BEIS EoH trial, which included an EPC rating. My bungalow (which had a G rated ie inefficient gas p...
@west this sounds like you're referring to something much bigger than a single room unit .
I've also found the Envirovent heatSava which I like. Does anyone have experience of this ?
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
Hi, Nothing yet. I've asked customer to measure flow...
By errmm , 8 hours ago
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RE: High Temp Heat Pumps for fast warm-up of house
I don't know exactly how long it takes to heat up (and ...
By JamesPa , 9 hours ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
OK. What Im seeing looks fairly normal TBH: 1 start ...
By JamesPa , 10 hours ago
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RE: Vaillant Tech Support Flagged Low DT: UFH Return Cold, Suspected Zero Flow
@editor thanks for the tips which I will try before cal...
By DavidB , 11 hours ago
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RE: Daikin 6kw setup with Dixell controller
@jamespa Many thanks for your reply, a very detailed an...
By CraigH , 11 hours ago
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RE: Exploring the role of alternative clean heating solutions - Government Consultation
Despite reservations, I found some time to respond to t...
By Rusty , 12 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@crankplus, nope, still not, and I've followed up with ...
By Mars , 12 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge Probably, but temperature change at -10 ha...
By AndrewJ , 13 hours ago
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RE: External wall insulation - your experience
To be clear, my experience was very positive. The journ...
By Batpred , 15 hours ago
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@foxesfan Re: ‘Servicing’ as @editor has covered in his...
By Toodles , 15 hours ago
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RE: A Smarter Smart Controller from Homely?
@benson No idea why mine doesn’t work, all I see on ...
By Papahuhu , 15 hours ago
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RE: Battery sizing - How low can you go!
It seems I am seeing something similar to what you do, ...
By Batpred , 16 hours ago
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RE: Gaslighting in the heat pump industry – has anyone else experienced this?
Don’t know if this is relevant to this thread, but my A...
By Gruff2001 , 17 hours ago
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RE: Bosch CS5800i 5kW - Experience So Far
@majordennisbloodnok While getting Home Assistant runni...
By Steelbadger , 1 day ago
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RE: MCS - BS EN 12831-1:2017 – Heat Loss Survey
Since May 2025 it no longer a requirement in England to...
By JamesPa , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handel @jancold Manufacturer: Daikin Model: E...
By Jancold , 1 day ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@harriworld it was roughly 3am for an hour as that’s ...
By L2jad , 2 days ago
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RE: Hoped for improvements not being realised on my Mitsubishi heat pump
I have been wondering that myself. The fact is that, ...
By JamesPa , 2 days ago
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RE: Filtering Tap Water – Share Your Setup for Cleaner, Better-Tasting Water
I remember when I was in my early 20s I was introduced ...
By Majordennisbloodnok , 2 days ago
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RE: Setback savings - fact or fiction?
But if it is recorded an an integer, which it seems it ...
By cathodeRay , 2 days ago

