Trane S9V2 high efficiency gas heating system tune-up maintenance and cleaning Install replacement Honeywell media filter 20x25x4 supplied by homeowner Install replacement #35 humidifier evaporator pad from truck stock Shop vac all equipment Test run and set humidifier to 35 Test run heat mode and test run cooling mode Install homeowner supplied Google nest thermostat Confirm set up and operation. Homeowner completed setup through phone application