Last seen: Oct 8, 2025
@allyfish I'm somewhat surprised the saving you have worked out is only £8/year. Not wishing to pry, but that suggests your current annual cost exclud...
@papahuhu I know this tread is about the Homely controller but you might also try dropping an email to either Henri Casteleyn or Alex Nelson at Havenw...
@papahuhu I have a Samsung Gen7 HP and this has an automatic frost protection system that will simply circulate the water if it detects a frost risk w...
@trbob Agile last winter was a disaster. The previous winters it was pretty good. A lot of folk tried to defend Octopus over the Agile pricing saying ...
@trbob Hi, it was not the export aspect that limited the inverter to 7kW. The export side was capped at 4kW due to the concern about local voltage exc...
@papahuhu Doesn't your heat pump periodically circulate between the house and the outside unit when the outside temp drops?
It looks like a no-brainer to accept the Cosy Octopus Fixed rates as they are "only" 10% higher than the existing rates rather than 14.6% higher! I'm ...
@old_scientist Thanks for the reply. For some inexplicable reason I hadn't considered coming off the mains gas and using a standalone propane bottle a...
@old_scientist When I applied for a G99 I asked for a 12kW inverter and was "offered" a 7kW inverter with a 4kW export limit. They agreed that the ex...
If you have adequate battery storage and inverter capacity then the Cosy price works out at around 50% of the standard tariff and the heat pump can be...
@chickenbig Hi, just be sure to check that your supplier will accept recycling of energy rather than a live feed from solar. I did come across at leas...
@transparent Thanks. I'm currently with Octopus and just want them to allow me to sign-up to Outgoing Octopus but they require an MCS certificate "or ...
Latest Posts
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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 , 4 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 , 5 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 , 6 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 , 7 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 , 8 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 , 8 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 , 8 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge Probably, but temperature change at -10 ha...
By AndrewJ , 9 hours ago
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RE: External wall insulation - your experience
To be clear, my experience was very positive. The journ...
By Batpred , 11 hours ago
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@foxesfan Re: ‘Servicing’ as @editor has covered in his...
By Toodles , 11 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 , 12 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 , 13 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 , 13 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 , 1 day 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 , 1 day 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 , 1 day 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
