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Last seen: Sep 1, 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 Ā£9.5K vs Ā£11.5K or Ā£15.5K instead of Ā£2K vs Ā£4K or Ā£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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Our PV set-up has moved over time. Warning this is a sh...
By Judith , 40 minutes ago
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RE: Adventures in heat loss calculations
Agree with the first paragraph (I said roughly the same...
By JamesPa , 3 hours ago
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay @jamespa I've managed to get some nice re...
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RE: 7kW EV Charger Options Advice
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Iām really liking reading through this thread and the r...
By Judith , 12 hours ago
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Thank you @trebor12345
By rgabor , 13 hours ago
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 1 day ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Great. You just need to find a way of cranking up your...
By JamesPa , 1 day ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
We had two heat pumps installed without Govt funding. H...
By Rob of York , 1 day ago
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My Adapt is finally installed and running! Almost a yea...
By tomasmcguinness , 2 days ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting š
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
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