All WD-40® uses for HVAC

  • Aids in the removal of furnace blower wheels

  • Cleans valves on compressors

  • Helps start wet engines

  • Helps unravel cleaning wands on vacuum cleaners

  • Lubricates knobs on air conditioners

  • Prevents rust on swamp cooler nuts

  • Lubricates and protects air conditioner blades

  • Eases removal of bolts when replacing a leaky evaporator coil

  • Eases replacement of fan blades

  • Helps working on a “chiller” easier

  • Prevents rust on outdoor air conditioners