The iO HVAC TEMP-STAT iO-TS65 is a 65 Degree Heating Thermostat designed for use in HVAC systems. With a focus on efficiency and precision, this thermostat is ideal for maintaining optimal temperatures in both residential and commercial settings. The model is reliable and well-known for its performance, making it a valuable addition to any HVAC system. Plus, with free shipping included, it's a great deal for those looking to upgrade or replace their current thermostat.