What Type of Cooling and Heating System Do You Have?

Read Me Before You Continue

This is going to be the key component in purchasing the the thermostat that will correctly operate your system. If you do not purchase the correct one your system will not operate correctly and can damage your system.

Here are the different type of systems commonly found in residential  homes here is Arizona

Straight Cool

A straight cool unit is simply, a gas or electric heated furnace with cooling coil and condenser.

Heat Pump Without Heat Strips

A heat pump unit is an air conditioner that runs in reverse to give you heat. There is no gas or electric furnace section.

Two Stage Straight Cool

A straight cool unit is simply, a gas heated furnace with cooling coil and condenser that has a high and low cooling compressor, known as first and second stage cooling

Two Stage Heat Pump Without Heat Strips

A heat pump unit is an air conditioner that basically run in reverse to give you heat. There is no gas furnace section that has a high and low cooling compressor(s) know as first and second stage cooling

Without knowing which system type you have I STRONGLY recommend to have a professional technician install your new thermostat