
Last seen: Jul 13, 2025
@jwilliams89 Your calculations look good at a glance. With respect to the internal pipe strengtheners, I have tended to use the hep2o ones which are s...
Hi. There isn’t anything wrong with using plastic pipes as long as they meet the needs of the emitters. See this by John Cantor. I’ve used them in my ...
Hi @essgeesee Welcome to the forum. Heat pumps work best without zoning or TRV's turning radiators on and off regularly. The way a lot of us use our...
@misterb lol. That’s exactly my situation too. My battery is huawei, I’ll have a look at the fog star thanks.
@delt I think also the levels of insulation in a house come into play. I corresponded with one user who used the same amount of kWh with a heat pump a...
@misterb thanks. I think that mirrors my thoughts. What you say about bigger batteries is interesting. I have a 5kWh battery, it’s a modular sys...
This is actually quite an interesting problem and highlights the difference between efficiency and cost. Heat pumps are most efficient at low flow ...
@jamespa apologises, I did virtually paraphase everything you said earlier 🤣 @notechknowhow as James mentioned, it might be a good idea to ...
@notechknowhow I dont sorry Andy, but your order of priority would be to heat as much as your hot water via the solar thermal first, then the divert...
@notechknowhow I think that is the reason why there is not FIT entry then. Shame, but i guess the owners already had thermal solar and didnt see the p...
@notechknowhow Ive downloaded the full datafile now, but i cant find anything of that installation size. That either means it isnt on the FIT registe...
@notechknowhow Have you seen this Youtube video BTW. It looks like your control unit?
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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