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Air Conditioner Maintenance: How Often Should You Do It to Breathe Healthy Air?

June 14, 2026Category: AC InstallationAuthor: Hamid Lotfalian
Air Conditioner Maintenance: How Often Should You Do It to Breathe Healthy Air?

The air conditioner is our best ally against the summer heat, but it can turn into an enemy for your health if neglected. Many turn on the split at the first sign of heat, forgetting that, for months, the filters have accumulated dust, mites, and bacteria. Breathing the air emitted by a dirty system not only causes bad odors but can trigger annoying allergic reactions.

""Within the filters and coils of unsanitized air conditioners, the Legionella bacterium often proliferates, responsible for serious respiratory infections.""

Do you smell a bad odor when you turn on the AC or wake up with a sore throat? Don't wait any longer! pyBIM technicians perform a complete sanitization with certified antibacterial products to guarantee pure and fresh air.

Air conditioner maintenance is not just a matter of energy efficiency, but of true environmental hygiene. But when and how should it be done?

The Perfect Maintenance Schedule

  • Filter Cleaning (DIY): This should be done at least once a month during periods of intense use. Just remove the internal meshes, wash them with warm water and neutral soap, and let them dry perfectly in the shade before reassembling.
  • Deep Sanitization (Annual): To be scheduled preferably in spring (between April and May), before turning it on for the season. This operation requires a professional who goes beyond the filters, cleaning and sanitizing the heat exchange coil and the condensation tray, true nests for mold and bacteria.
  • Outdoor Unit Check (Annual): The outdoor motor is exposed to smog, leaves, pollen, and insects. A thorough cleaning of the casing and fan ensures that the compressor does not overheat, prolonging the life of the system and reducing electricity consumption.
  • Refrigerant Gas Check: There is no fixed deadline, but during the annual maintenance, the technician will check the pressures to ensure there are no micro-leaks, guaranteeing that the split always cools (or heats) at its peak performance.

Remember: a clean air conditioner consumes up to 30% less energy than one clogged with dirt. Booking a periodic check pays for itself through savings on your energy bill!

Tags:MaintenanceAir Quality
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