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Last seen: Feb 9, 2026
Very interesting question! Unfortunately, there is no clear answer that is true for all situations. It depends on thermal mass, insulation, comfort ne...
Thanks SUNandAIR! 3 kWh on 10 or 15 kWh is substantial, and more than I expected to be honest. So I guess for you the setbacks are now the default? ...
@crasher If you're happy with the controls provided through MMI and associated running cost, and you don't want remote control or additional "smartnes...
@crasher Thanks for this detailed explanation! Are you using the Onecta app or controlling everything through the MMI and the thermostats?
@squarepeg77 Hi! Is it your ESPAltherma that is connected to Home Assistant? Or are you using the Onecta API for the Home Assistant? And the ESPAlther...
@julianc Hi JulianC, I'll DM you and we can perhaps set up a brief call like you suggested!
Were you able to solve the lack of electricity usage data? Did anyone try to access the Onecta API directly? So not through the app or via the MMI, ...
@crasher How did you set up your Altherma 3 to run more efficient? Are you happy now with the way it has been running?
@sunandair Hi there, really interesting experiment! So if I understand correctly, your conclusion is that nightly setbacks actually save energy (and t...
Fascinating stats. And I would guess that your survey probably overestimates the number of professionals with a heat pump, because your audience is mo...
@afarmery Hello afarmery! Yes agree, annoying you cannot adjust the curve remotely... I've come across this as well and started building a work around...
@morgan Are you using Mitsubishi controls? With weather compensation? And is your heat pump WIFI enabled?
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Latest Posts
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RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 1 hour ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I agree with @jamespa, I think that yo...
By Rob of York , 7 hours ago
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Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
The funding for the BUS grant appears to have been subj...
By Rob of York , 8 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 11 hours ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 1 day ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 1 day ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 2 days ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 2 days ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 2 days ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 3 days ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 3 days ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 3 days ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 4 days ago


