The 70 Series programmable PTAC thermostat is an easy-to use thermostat with a modern design that’s compatible with all major PTAC systems. This design helps reduce complexity for the customer and in turn helps reduce contractor callbacks. Easy to install with a backplate common to the 80 Series and Sensi thermostats to enable easy upgrade. The 70 Series presents a good value from a reliable brand. It's the right thermostat for both the contractor and the customer.