For anti-condensation applications and accurate temperature control, nothing competes commercially or technically with the Matsuo range of thermostats from ATC Semitec. Their unique twin-bimetal system creates a control that is capable of switching over a million cycles with minimal drift.
They are totally sealed from the outside environment with an IP64 rated PBT housing and are easily incorporated into trace-heating systems. Available down to -10°C with accuracies to ±1.5K and differentials down to 3±1K, very accurate, long-term control can be guaranteed using a Matsuo thermostat, suiting them to use in isolated areas where maintenance costs would be high.