The deltaT on ASHP is sometimes 1 deg - sometimes 8 - same day!

Hi @Rachel - can you point me to a good dummies guide for doing that with the Shelleys.
I tried 3 or 6 months back: but couldn’t get NodeRed set up right. I’m a savvy guy with tech normally:but got stuck on that.

EDIT- -I just spotted this recent guide, which may help me: