Temco Controls has been in business since 1979. Our headquarters are in Vancouver Canada, the R&D and manufacturing base is in Shanghai China. Our claim to fame is our tstat5 thermostat, the world&＃39;s lowest cost communicating thermostat. We specialize in developing custom solutions for our manufacturing partners such as air conditioning controls, valves, thermostats, sensors, actuators and miscellaneous &＃39;widgets&＃39;.