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Last seen: Jul 14, 2026
Now that the heating season is almost over, have any of you switched from Octopus Cosy tariff to Octopus Go yet? We are using less than 5 kWh for th...
We tested the away mode for the first time as we were away for five days for a holiday. Interestingly, the temperature dropped to about 18 degrees and...
Looks like this issue is now resolved. Aira installed a K3 radiator, with 20% more output, and now the temperature is holding steady around 19.5 degre...
I would look at it as £9.5K vs £11.5K or £15.5K instead of £2K vs £4K or £8K after excluding the BUS grant. Psychologically, that feels easier to comp...
February.stats are now in. This was our first full month with an ASHP, so I was really looking forward to the results. To set the context, this Februa...
@callum_62 That does sound excessive. We are in a slightly older new build, around 12 years old, 4 beds (and a study) and three reception rooms includ...
@njt Same here. We have 6.9 solar and a 6.5 kWh Growatt battery. Since, I switched to cosy after the heat pump install, we fill up the battery thrice ...
@vsmith1 We switched from an EV tariff to cosy tariff after the heat pump installation. We run hot water twice a day during the cheap period, one hour...
@vsmith1 I too took saw that today. Pretty chuffed with heating CoP of 4.2 and hot water CoP of 3. Especially, when the weather was particularly cold.
@broadsman That's a good shout. I can't see the flow data, but can see input power and delivered heat by hour. Also, can track input electricity on th...
Really interesting thread, thanks for the insights everyone. We recently had an Aira heat pump installed, and straightaway I realised that we need t...
@andrewj Earlier with the gas boiler and Tado TRVs controlling the temperature, I used to think 18 is the right temperature. As otherwise the room use...
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Latest Posts
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RE: Samsung heat pump - data cable issue
Well that's interesting. If it needs fat cable it's be...
By JamesPa , 7 minutes ago
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RE: Rate the quality of your heat pump design and installation
I'm kind of at the end of my heat pump installation now...
By JandP , 2 hours ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
I got hit with an RHI audit in 2022. It was far from c...
By Abernyte , 3 hours ago
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RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 5 hours ago
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Given the way radiation and convection effects don't wo...
By Majordennisbloodnok , 7 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 11 hours ago
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RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
By JamesPa , 24 hours ago
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RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 1 day ago
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RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 1 day ago
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Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
By Mars , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
By JamesPa , 1 day ago
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RE: Renewables & Heat Pumps in the News
Be interesting if this results in any wider changes to ...
By Jeff , 2 days ago
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