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Last seen: Aug 5, 2026
These savings are on top of savings around £300 in boiler servicing/insurance as we managed to get the Aira all-inclusive coverage for 15 years as par...
Same here, we got Aira heat pump installed towards the end of January when it was very cold. It's a 6 kWh heat pump and we swapped/upgraded 9 radiator...
@pirate-rich Keen to hear a bit more about the erroneous COP figures. I assume you mean the stated heat outputs are wrong. The electricity delivered s...
@jamespa The mechanical engineer in me wants to attempt to answer. But after decades in finance and management consulting, unfortunately I am incapabl...
@jamespa This is a 4 port buffer tank.
When I asked during the design phase, I was told this is to do with defrost cycles. We have achieved a good SCOP so far and are very happy with the pe...
@bontwoody Maybe one for @editor to consider whether a second hand battery shop on the forum might be worth it! Jokes apart, totally with you on the...
@bontwoody Totally agree. Even without a heat pump, if a 5 kWh battery helps storing the PV power generated during the daytime in spring, summer and a...
For our set-up, Octopus GO has been the best option from March to October. But, from November to February, Cosy is likely to be the better option, as ...
@old_scientist Cosy is a really good tariff for heat pump owners. The ability to run hot water during the 1 pm.to 4 pm period when the outdoor tempera...
@old_scientist With a 7.2 kWp south facing array, you should be generating enough during winter months as well. I am definitely jealous as our winter ...
Watching Gary Does Solar’s latest YouTube video on the future of export tariffs got me thinking about how I would adapt if Octopus were to drop the ex...
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Latest Posts
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Depending on your flow temperature you should get a SCO...
By JamesPa , 42 minutes ago
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RE: PV and battery long payback - sense check query
They can also obtain smart meter data with a w...
By EtchedPixels , 2 hours ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Not interested in a plug in device, or 800w. Just need ...
By dansus , 6 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 13 hours ago
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 24 hours ago
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I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 1 day ago
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 2 days ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 4 days ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 4 days ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 4 days ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 4 days ago
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