As part of our philosophy to create reliable and customized systems, we offer in-house electronic controls or controls that make our units compatible with many major marine AC brands. Our primary in-house option is an open architecture that runs on any 24-volt, 4 or 5 wire thermostat making your options almost limitless. The thermostats we offer in house are contractor grade thermostats made by Honeywell and are offered in both wi-fi touchscreen and non-wifi programmable configurations.