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Last seen: Mar 1, 2026
@carpenterstation I don't think its possible to give an absolute yes/no... as every situation is different. I am a moderately heavy user I think? Im...
Conclusive evidence after 2 weeks on IOG. Batteries plus extra daytime slots ensuring average is under 10p kwh/day IOG 5th to 17th in pic - vast m...
@jamespa measuring with clamp-on heating pipe thermometer? I see ebay/amazon has them around £6 or £7 .. Good enough?
I doubt I could get my weather compensation curve any lower so must conclude my buffer is not hurting me tooooo much. Certainly accept the main point ...
I wonder how much efficiency it really costs - if there is unnecessary mixing it results in higher return temps so a "saving" on the next heating. Cle...
IOG offering a lot of cheap daytime slots today. Despite cold, grey day. Car was unplugged and used this morning so maybe helped kick the additional...
@pressure very interesting read - thanks for posting. A lot of us will have such decisions in coming years. Hopefully mine is still 10 years away.. LG...
Model HM161MU33 installed 2020 Controller software 3.05.5a Not sure what's available via modbus. Will try and find out - thanks for input!
This is now a very long thread. Not sure I've got the will to read it all as I guess some is overtaken with updates and changes. I've been offered a...
@carpenterstation when I moved from fixed temps to weather compensation my annual usage dropped from about 8050kwh to 5800kwh. Huge saving .. especial...
@gary wow! That's really impressive. Good tips. I was at 12p on Agile last year. But I think I can make IOG work for me even if I pay the day rate f...
Latest Posts
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 14 minutes ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 34 minutes ago
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RE: Setback savings - fact or fiction?
@cathoderay thanks for your kind response; our cat does...
By PeterWurmsdobler , 50 minutes ago
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Hello, I am completely new to heat pumps having moved i...
By Lbart68 , 2 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — a measured heat loss always trumps a calculat...
By cathodeRay , 4 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 7 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 8 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 20 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 1 day ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 1 day ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 1 day ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 1 day ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 2 days ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 2 days ago
