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Unpleasant odors from HVAC systems can be a nuisance and even a health hazard. Here are some common causes of these odors and how to eliminate them:

Mold and Mildew:

Dirty Drain Pans:

Dirty Coils:

Leaking Gas Lines:

Chemical Odors:

Pests or Rodents:

Here are some preventative measures to reduce the risk of unpleasant odors from HVAC systems:

If you notice an unpleasant odor coming from your HVAC system, don't ignore it. Contact a qualified HVAC technician to identify the cause and recommend the appropriate solution.