Performed combo tuneup on a ACPro condenser and furnace. Heating safety switches were verified working condition. Filter is clean at thus time. Hot surface ignitor was measured and recorded. Flame sensor was cleaned. Gas valve was tested. Heating temperature split is in range. Cooling temperature split is 18 degrees. Outdoor unit was dirty and chemically washed today. Starting components were checked. Compressor and fan amperages are in range. Refrigerant levels were verified ok today. Recommending outdoor protection. System was running at end of appointment