Last seen: Aug 12, 2025
@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...
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RE: Mitsu Wireless Controller and MelCloud
It would seem that I have a problem (at least one!) in ...
By DavidAlgarve , 3 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
For reference, our installer has just contacted us afte...
By Old_Scientist , 23 hours ago
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@toodles Of course. I've also used Tim and Kat's Gree...
By Old_Scientist , 23 hours ago
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RE: Who's your electricity provider and what's your tariff?
Yes, I noticed that change too. The software really doe...
By Old_Scientist , 23 hours ago
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
@old_scientist me too. Just installed my new heat pump ...
By Eliuccio , 2 days ago
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RE: Is your heat pump insured?
Yup just spoke to Privilege to inform them of my impend...
By Scalextrix , 2 days ago
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RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 2 days ago
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RE: Fast DHW setting on Midea (Clivet) heat pump
@simon-w, is this something you could potentially assis...
By Mars , 3 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
Fwiw I called my installer out for the first time a few...
By JamesPa , 3 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@sandy, I'll send Vaillant an email tomorrow and see if...
By Mars , 3 days ago
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RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
By Scalextrix , 3 days ago
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RE: Who has a V2G EV installation
I agree, but a word of caution. V2X is also sometimes u...
By Majordennisbloodnok , 4 days ago
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RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 4 days ago
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RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 6 days ago
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RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?
An update on the Heatsava. It is the most difficult thi...
By heat-pump-newbie , 6 days ago
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RE: ASHP heat output monitoring
@carlo - not much better, is it. It looks more like a u...
By cathodeRay , 7 days ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 1 week ago
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RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 1 week ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 1 week ago
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
By AllyFish , 1 week ago