Work Done: Cleaned & checked 2 gas furnaces. Inspected heat exchangers & flue venting. cleaned burners & flame sensors. Checked voltage & amp draw of motors. Test capacitors. Checked drains. Checked condensate pump. First floor: replaced air cleaner media. Clean and check 2 humidifiers, replace pads, checked water flow and drains. Second floor system: Check temperature rise. Min: 65. Stack: 88. High: 63. Stack: 108. Total amps:9.5A. Inducer: 0.64A.