Performed fall inspection on two 25yr old units, upon arrival customer stated units are working but he is getting a burning smell that has been going on for over a week, inspected both tststs, cycled to heat mode, upon going in attic recommend TE flood protection due to both units not having flood protection, both units need return plenums, and some duct modifications due to starting to see thru duct work, inspected inducer motor, both inducer motors over amping, recommend replacing both, checked burners, ignition, both blower motors pulling high amps, downstairs motor leaking oil, both capacitor reading below specs, recommend replacing both blower motors and capacitors, explained to customer his burning smell is coming from windings failing inside motors, blower wheels impacted, recommend cleaning blower wheels as well, explained to customer we can replace components and other older parts can still fail, inspected outdoor units but didn’t turn them on due to outdoor temp being 26 degr