Last seen: Sep 5, 2025
To quantify the greater pressure drop of your corrugated pipe you could try using an online calculator like For example, at 20 l/min a 25.4mm corrug...
Yes, your figures correlate well with your heat pump having a minimum output of about 3kW at these outside temperatures. Have you tried your heat pump...
You have clearly found your system's sweet spot! Yes, radiator based systems are likely to be limited in stable low flow temperatures. But larg...
I'm pretty sure it just means output, using the word capacity in this way isn't unusual in Japanese documents (and if something has a capacity then it...
As far as I know yes.
@johnmo The effect of cycling is very different with different heating systems too. If modulation was not an important factor heat pumps would still...
@tomasmcguinness Mitsubishi's figures are in(I'd suggest downloading it and reading it offline as it's a 400+ page PDF). For their new R290 ASHPs se...
Latest Posts
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RE: Ecodan software update. Real or scam?
@vinz86 Contact Mitsubishi and an engineer attends and ...
By ASHP-BOBBA , 6 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump what we did to resolve a not too dissimilar...
By benson , 8 hours ago
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My Samsung Gen6 (probably same controller as yours) onl...
By Old_Scientist , 16 hours ago
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@drei When I was in local government we were of cours...
By JamesPa , 16 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Sufficient system volume is also essential for ensuring...
By Old_Scientist , 18 hours ago
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RE: Boiling Mad: Exposing Radiatorgate
@rob-nezard you can see more of Drei's rad dramas here ...
By Mars , 18 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@drei I will say again that Im sorry to heat about your...
By JamesPa , 19 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As someone who has suffered from a Heat Pump installati...
By DREI , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
1040kw Even beat June and July. Great month.
By Andris , 1 day ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Hope they know what they're doing regarding paint types...
By PatrickVito , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I’ve also got a dual fuel Rangemaster. We originally ha...
By Majordennisbloodnok , 1 day ago
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RE: Octopus tariffs - a quick comparison
@tim441 I’d agree wholeheartedly with that, with 2 x Po...
By Toodles , 1 day ago
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RE: Electricity price predictions
@bontwoody Maybe one for @editor to consider whether a ...
By ChandyKris , 2 days ago
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RE: is a home battery without an EV worth it?
You would think, but when I had my Powerwall 3 installe...
By Old_Scientist , 2 days ago
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@mars That response surely deserves a nomination for Tu...
By JamesPa , 2 days ago
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Specifying batteries, pv solar etc using ChatGPT
I thought I'd try to use ChatGPT to specify my requirem...
By Tim441 , 2 days ago
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RE: Ecodan & MelCloud scheduling
When I interviewed Mitsubishi Electric at Installer ear...
By Mars , 3 days ago
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RE: Rodents! A word of warning for heat pump owners
@lucia One look at that protection and the rodents will...
By Toodles , 3 days ago
