Last seen: Sep 3, 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: Electricity price predictions
@bontwoody Maybe one for @editor to consider whether a ...
By ChandyKris , 6 minutes ago
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RE: Octopus tariffs - a quick comparison
@scalextrix yes, battery is vital to maximise TOU tarif...
By Tim441 , 14 minutes ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
@howardp99 Yes, I get how the inverter rating is limiti...
By Old_Scientist , 15 minutes 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 , 32 minutes ago
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RE: Midea ASHP – how to set weather compensation
Referring to an early point, night time firing could be...
By Tasos , 1 hour ago
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@mars That response surely deserves a nomination for Tu...
By JamesPa , 13 hours 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 , 15 hours ago
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RE: Ecodan & MelCloud scheduling
When I interviewed Mitsubishi Electric at Installer ear...
By Mars , 20 hours 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 , 20 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
🙁🙁🙁🙁🙁
By Lucia , 1 day ago
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What is the Heat Geek Guarantee?
We regularly hear from homeowners who are researching i...
By Mars , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk, interesting point. I’ve not focused much on Hea...
By Mars , 1 day ago
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Intelligent Octopus Flux (IOF) Review
I promised @toodles that I would provide an update and ...
By Old_Scientist , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@julianc Our solar PV has produced more this August tha...
By Toodles , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
I am pleased to see the change. We definitely need t...
By Jeff , 3 days ago
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RE: How Do I Know When the Hot Water Has Run Out?
@transparent that is a very interesting suggestion, tha...
By GrahamF , 4 days ago
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RE: The good, the bad and the not that great – my heat pump installation
Sorry to resurrect this thread, but it is sort of relev...
By cathodeRay , 4 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
I missed your 22nd June post on this. I am sure it can ...
By cathodeRay , 4 days ago
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Now posting on the right topic.... With general build...
By benson , 4 days ago
