A couple of months back, I had some ideas about Smarter Heating Controls - with the weather turning Autumnal, it's time to start thinking about these ideas again.
Here are a few tips and gizmos to help you put together a DIY boiler and heating monitor
Pipe Clip Thermistor Temperature sensors from Rapid Electronics
The Arduino code needed to linearise a thermistor and display it in degerees C
Wireless actuators for thermostatic radiator valves from Conrad Electronics
Low-cost pulse output water flow meter froom SeeedStudio Depot - these are otherwise stupidly expensive in the UK. Easily read using a pulse input on the Arduino.