Last seen: Aug 11, 2025
The five most terrifying words in the English language: leave it to the professionals. Edited to correct typo...
That looks fine. You have two periods when DHW heating will come on and take priority over space heating provided the actual DHW has fallen enough to ...
Ho hum. It is certainly set to time the heating as shown in the photo, and if he set it up and you haven't touched it since... What you need to do i...
@anca1808 - if you haven't already done so, have a look at this ABC Guide to Heat Pumps, written by yours truly. I am also a doctor, now retired, and ...
It's not obvious. It is near where you set the date. Go to MENU > SERVICE INFORMATION > DISPLAY and you should find TIME there...
That's the way to go. Over time you will get closer and closer to the ideal setting for your home. Don't be thrown by days when external factors like ...
Good news, well done! it is indeed very important to average costs over a season. Heat pump running costs are disproportionately high in cold weathe...
@jamespa is really the expert because he has actually fitted and used them, but I found a Mitsubishi I-life Slim 170 Fan Assisted Radiator fan coil wi...
@lakey - very roughly, when going from boiler to heat pump flow temperatures, you need to double the effective area of the radiator to get the same ou...
I certainly had wall space constraints, which I mostly dealt with by using K3 rads in place of previous K2 rads. The individual room heat losses were ...
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
People have been speculating for years that the current...
By Old_Scientist , 14 minutes ago
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@old_scientist Quarterly updates would be much apprecia...
By Toodles , 29 minutes ago
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RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 8 hours 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 , 19 hours 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 , 1 day 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 , 1 day ago
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RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
By Scalextrix , 1 day 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 , 2 days ago
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RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 2 days ago
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RE: Is your heat pump insured?
My home insurance renewal is due soon meaning I am doin...
By cathodeRay , 4 days ago
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RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 4 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 , 4 days ago
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
I've certainly seen that on their Ts & Cs page but ...
By Majordennisbloodnok , 5 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 , 5 days ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 5 days 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 , 6 days ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 6 days ago
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
By AllyFish , 6 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
By Transparent , 7 days ago
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@ecobaker May I ask a question of you please. I too hav...
By Papahuhu , 7 days ago
