radiator controller

stranger12

all,

what controllers would you use that are multi zone ?

I am changing my boiler to woster bosch and thought I get a multi zone controller for the 7+ radiators I have.

I am thinking honeywell be a good system to use

southcoastrgi

What are you trying to achieve & what kind of control do you want ?

stranger12

Being able to switch radiators off at a click of a button to save on heating cost

For instance when not downstairs, i could program it to switch off or keep it to 5 degree or something using the wireless controller

The controller costs £190 plus £190 for 4 trv or around £400 for 8 trv

So i am looking at £600 cost for 8 radiators

I wonder how long it will take for it to pay back for itself

southcoastrgi

A heating system is worked out for heat loss in certain rooms this will then give you a rad output needed to maintain the room at its set temp, two of the things taken into account is an outside temp of -1 & heating on 24hrs per day, it is also assumed that all rooms are heated, the problem you may find if I take your example, you are upstairs & you turn off the heating downstairs the upstairs rooms may not reach their design temp as the heat from below won't be helping the heat upstairs, so you may find that for you £600 outlay you aren't saving anything at all & your gas bill may even go up,

Better insulation, TRV's on all the rads apart from the one with the room stat, weather compensation wired into the boiler (although your choice of boiler lags way behind far more efficient boilers in that respect & may not allow for weather compensation at all), I'd look at other makes if efficiency is important to you

BoxerfanUK

I presume you mean Honeywell Evohome, which is something I'm seriously looking at too. It has a controller as a part of the system.