But what controls do I ACTUALLY need to have installed with the boiler?!

[PhoenixServices]

Frelon why not get it installed now by a local engineer, wouldn't cost that much. Could probably sell the nest on eBay and come out even.

 

[Frelon]

When I made enquiries about this amongst my local engineers, none were interested in the job!

The north facing wall of my house where the sensor should be located is rendered in the latest polymer render (white). I do not want wires running down from the sensor on the outside of the house to the boiler so only solution was to come through the wall with the wires and somehow try to run them inside the house (cavity wall) to the boiler - yet another challenge. This was why I wanted the wiring installed during the build process, but builder was uncooperative!

The fall back option was the Nest, and I must say it has worked without any problems since the installation. It links through the internet to the local weather situation (outside temperature) and appears to make adjustments accordingly.

Initial installation of the Nest was a challenge as none of the local heating engineers had any experience of installing the Nest system, but all said they would "give it a go!". No thanks, I do not want to be a guinea pig for their learning!! The authorised Nest installer did it in 30 minutes and gave me a comprehensive run through of the controls - not that much instruction is required.

So overall a less expensive method of installing weather compensation - that works.