Last seen: Oct 28, 2025
I just came across this: It claims that an ASHP makes an EPC rating worse than if the same property were heated with gas, because of the way the...
Derek, Sorry for not following up earlier on our conversation, but I have only just had an opportunity to have another look at my ASHP controller se...
@derek-m Derek, I'm based near Witney, Oxfordshire. Skype account uses same email addrres as here mjpatrick@protonmail.com 10am tomorow will ...
@derek-m Yes, that’s very kind of you. I can do Skype. I’m next working from home on Friday so that would be a good day. Next week I’m home on Tu...
@derek-m A big reason why, 5 years after installation, I'm still trying to optimise the system is my lack of confidence in local heating engineers....
Derek, I increased the room thermostat by 1C in one room (all 13 would have been too much) and left it for an hour. It did appear that the temperat...
Derek, The system has individual thermostats in each room, which are independent of each other so can each have their own timing schedule. I've no...
@derek-m Derek, Sorry for the delay but I've now read the remote control My instruction manual is May 2016 but I think table 10.3 is the same...
@derek-m Derek, I haven't forgotten this, but am busy with work and it will take me a while to dig out the documentation. If it's possible to i...
@derek-m Derek, The COP rating on the label on back of the pump is given as 2.66 based on Air at 7 deg and water at 55 deg. The total heat loss...
@derek-m Here are my charts, cut and pasted from an Excel spreadsheet. Mike
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