Cleaned & checked condensing gas furnace. Inspected heat exchanger & flue venting. cleaned burners & flame sensor. Checked voltage & amp draw of motors. Test capacitor. Checked drain. Turned up humidistat. Blower: 2.2/5.3A . Inducer: 0.70/0.73A . Adjust Gas pressure:1.9 inches water column. Temperature rise: 53/59. Supply: 117/123. Return: 64. Suggestions: Replace thermostat batteries.