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carrier thermostat stage

  1. HVAC
    I have a Carrier heat pump (model 38YCC030340) and a Carrier air handler (model FA4ANF030). It currently has a honeywell thermostat that has OFF-HEAT-COOL-EM. HEAT options. I want to replace it with one that has those four options plus an AUTO feature. I want the AUTO feature so I can set the...