Last seen: Jun 6, 2025
@drew-pa Hi - I know this is an old thread, but I am doing some work on my system once more, and thought I might say something which I feel is i...
@murchison2003 Understood 👋🏼
@cathoderay It does sound pretty screwy to be honest! I would normally expect fossil fuels to be more expensive than, for example, mains gas (not avai...
@cathoderay Crikey, that is a staggering amount of electricity! The amount and cost doesn’t seem to equate to anything like your old system… and your ...
(with apologies for typos, and errors in grammar. My phone, unilaterally and arbitrarily, decides to change spellings at the last minute, at the point...
@murchison2003 Hi. As before, I’m not necessarily replying just to you, but I am adding my three ha’p’orth (showing my age!) which might add a little ...
G’day 👋🏼 I am delighted that you are delighted! I too am delighted with mine! Although I haven’t gone to the lengths you have to work out your COP –...
@dangermousie Hi. Hmm, not sure your calculation is right there. COP is simply power ie kW of output, divided by kW consumed. My figures come only fro...
Hi Joe - I just found this site. I don't know if this is any help but... I have had a Vaillant Arotherm (not -plus) 8 kW ASHP for about a year now. Do...
@webcmg Hello. I know this is an old thread, but I have just had Vaillant ASHP fitted, and am working my way round how to get the best out of it. The ...
Latest Posts
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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 , 17 hours ago
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RE: Is your heat pump insured?
Yup just spoke to Privilege to inform them of my impend...
By Scalextrix , 18 hours ago
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Well by my reckoning based on the Flexible Octopus unit...
By Majordennisbloodnok , 19 hours ago
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RE: Who's your electricity provider and what's your tariff?
@old_scientist I have had the first PW for some 2 years...
By Toodles , 19 hours ago
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RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 1 day 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 , 2 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 , 2 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 , 2 days ago
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RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
By Scalextrix , 2 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 , 3 days ago
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RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 3 days ago
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RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 5 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 , 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 , 6 days ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 6 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 , 7 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 , 7 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 , 1 week ago
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
By Transparent , 1 week ago
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@ecobaker May I ask a question of you please. I too hav...
By Papahuhu , 1 week ago
