Considering Evohome

Hi,

I'm slowly applying smart technology to my house, so far, I've automated some lighting (indoor and out), ventilation systems for bathrooms and underfloor electric heating.

The one thing I would like to have more control over are my heating bills. I live in a fairly large 4 bedroom detached house which is all heated when the boiler is on; I can control rooms by turning the TRV's down but that would be a pain ;-)

Honeywell Evohome seems to be the way to go...

I wondered if those whom have Evohome have any suggestions, learnings and experiences or things they wish they'd have known prior to committing themselves to the system.

Thanks