RentersPass.org has a sample maintenance checklist to prevent breakdowns and to schedule your maintenance requests. Here are some checks for air-conditioners and other safety items

Check air-conditioner:

  • Remove leaves and debris
  • Check the refrigerant
  • Check evaporator drain
  • Clean evaporator and condenser coils
  • Straighten the fins
  • Lubricate moving parts
  • Change return air filters
  • Clean vents and diffusers
  • Clean exhaust vents in kitchen, bathrooms, laundry
  • Check the furnace
  • Test smoke, CO alarms
  • Check fire extinguishers
  • Prevent broken pipes in vacant units
  • Inspect roofing and siding
  • Check and clean gutters and downspouts