Last seen: Feb 7, 2025
@sunandair Yes good point on the temperature during the night and impact on the heat pump efficiency! I've seen similar effects in some simulations I'...
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...
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Latest Posts
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The point about needing a legionella cycle at all and h...
By bontwoody , 6 hours ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnnyb I was on Smart, mostly because I was on Agile ...
By Arundalep , 6 hours ago
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RE: Forum updates, announcements & issues
@editor Fairy Nuff Mars, I doubt that my ramblings woul...
By Toodles , 12 hours ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
@johnmo You are correct, standard Ethylene glycol used ...
By Brendon Uys , 13 hours ago
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RE: Confusion about heat pump sizing
We’ve published a deep dive into heat pump sizing, and ...
By Mars , 18 hours ago
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We’ve published a deep dive into heat pump sizing, and ...
By Mars , 18 hours ago
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RE: Kensa GSHP finally installed - now to start the optimisation process
Just had a quick scan of the manual and should be weath...
By Johnmo , 1 day ago
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RE: Potentially more choice including air to air heat pump grants
Hi all, I agree, the consultation documents are alway...
By madbilly , 1 day ago
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RE: Commencing on an ASHP Installation Process
I think those are pretty much the standard figures that...
By JamesPa , 2 days ago
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RE: Load Compensation and Weather Compensation
I think that maybe what the adia thermal system does, b...
By JamesPa , 2 days ago
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RE: Enabling WiFi: Samsung ASHP on Smart Things App
@old_scientist @profzarkov thanks to you both for the v...
By Grahamh-uk , 2 days ago
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RE: Nibe F2040 periodic warm water increase fails
@tribol here's an official reply from NIBE on your case...
By Mars , 2 days ago
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
@ecodan-efficiency On the other hand, the fact that the...
By Richard24738 , 3 days ago
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RE: How accurate was your heat loss survey?
@scalextrix for our house 1950s detached the air leakag...
By Judith , 3 days ago
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RE: Air Changes per Hour - ACH and the MCS requirement
@matwin If you plan to commission one it might b...
By JamesPa , 3 days ago
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RE: Jokes and fun posts about heat pumps and renewables
In a similar vein, this recent spell of sustained good ...
By Majordennisbloodnok , 4 days ago
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RE: Home energy storage & battery register
By the end of next month... 8 kW PV + Tesla Powerwall...
By Algienon , 4 days ago
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RE: Various different approaches to battery storage.
I thought I'd share my story/journey and experiences he...
By Old_Scientist , 4 days ago