2 system PM renewal Upstairs- checked heating operations of system. Replaced filter, checked capacitor output and amp drawls, cleaned flame sensor and burners, triggered safety switches. Unit is operating properly at this time. 16x25x4 Main- checked heating operations of system- changed filter, checked capacitor output and amp drawls, checked Freon levels and auxiliary heat, triggered safety switches and defrost. Unit is operating properly at this time. 16x25x4. Customer provides filters