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Last seen: May 26, 2026
@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...
Sofar has bigger units than the 3kW version, or you can double up. But 16A per phase (ie 3kW single phase) is the limit of the UK G98 certification, b...
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RE: Mitsubishi Ecodan FTC6 settings
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RE: Electricity price predictions
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RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 17 hours ago
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RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 17 hours ago
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Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
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RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
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Be interesting if this results in any wider changes to ...
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Heat Pump Fundamentals For Homeowners
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