Last seen: Aug 15, 2025
@alec-morrow I agree, but there are two different things people use controllers for. One is temperature control, ie the core control loop of when to...
@ianjrw As mentioned above, can you ask your installer about using the heatpump's own controller? What brand of heatpump are they suggesting? Let m...
I don't know yet. Let me explain... I was in exactly the same situation 3 months ago - lead times on the Ecodan cylinders were out to 12 weeks and ...
@derek-m The integer overflows are just warnings, and I don't think they're the source of the problem. It seems to be saying is the program is too bi...
I need to work on my Hungarian, but some wild guesses that it could be either a problem with communication with the Arduino - perhaps the programming ...
It's completely nuts. This is the compressor speed of my Grant (aka Chofu) ASHP, using the Honeywell Lyric on/off controller the installer supplied. ...
To add, another thing is the sensitivity of the occupants. I specifically chose a larger double-fan heat pump because it was quieter (60dB) than a sm...
Hi Mars, I can't help but feel conflicted about this. I'd say there are several factors in play for a heat pump install. Site: the type of hous...
An alternative approach to using glycol is to use anti-freeze valves. Basically you put these at the lowest point of the ASHP outdoor circuit, and th...
You will probably need to talk to distributors, since they aren't typically a part stocked in everyone plumbing warehouse. Orion Air Sales have the F...
The way Grant do it, they have a traditional heating thermostat (like a boiler) to provide 'heat please' and 'hot water please' inputs to the heat pum...
At the end of the day it's all about tariffs. Might not be the cheapest, but a tariff to suit your use case - eg cheap EV charging overnight. Obviou...
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Nice one @toodles... always appreciate your enthusiasm ...
By Mars , 2 hours ago
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@profzarkov Good to know in case it ever happens to me...
By bontwoody , 6 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@patrickvito We have had car dealers re-powder coat the...
By ASHP-BOBBA , 7 hours ago
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 7 hours ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 7 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@thundermink can you provide photos to illustrate your ...
By Morgan , 7 hours ago
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 10 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 12 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
After our rather lengthy meander off piste, I thought I...
By GrahamF , 13 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - to collect the IAT/OAT data, can I sugges...
By cathodeRay , 15 hours ago
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RE: Ecodan software update. Real or scam?
@vinz86 Contact Mitsubishi and an engineer attends and ...
By ASHP-BOBBA , 1 day ago
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@drei When I was in local government we were of cours...
By JamesPa , 1 day 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 , 2 days 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 , 2 days 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 , 2 days ago
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RE: Octopus tariffs - a quick comparison
@tim441 I’d agree wholeheartedly with that, with 2 x Po...
By Toodles , 2 days 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 , 3 days ago