How to Adjust a Thermostat by Phone

Call your home number from a touch-tone telephone. Let the recorded message start. Enter the password programmed earlier into the HVAC (Heating, Ventilating and Air Conditioning) security console controller connected to the telephone; the password must be entered before the 30-second recording finishes.

Let the controller emit a series of beeps through the telephone. Press the "1" numeric key on the phone when the recorded voice asks you if it should speak the menu. Press the "1" numeric key when the recorded voice asks if you want to select the thermostat.

Listen to the recorded voice ask if you want to change the setting on the thermostat. Press the "1" numeric key on the phone to accept that the thermostat module will change. Press the numeric key that corresponds to the temperature you want to change the thermostat to; the recorded voice will name a number and a temperature until you press a key.

Press the "1" numeric key to accept the selection when prompted by the recorded voice.

Press the "1" numeric key to close the session when prompted by the recorded voice.