Cleaned & checked gas furnace. Inspected heat exchanger & flue venting. cleaned burners & flame sensor. Checked voltage & amp draw of motors. Test capacitor. Replaced air filter. Tested thermostat batteries. Blower: 4.1A . Inducer: 0.97A . Adjust Gas pressure: 3.5 inches water column. Temperature rise: 48 . Supply: 113. Return: 65 . Suggestions: Replace thermostat batteries.