Hazardous and Non-Hazardous AC Smells

As the weather slowly gets warmer in Boise, homeowners are getting ready to turn off the furnace and preparing the AC for the months ahead. When the air conditioner is first turned on homeowners might notice some smells emanating from the system. Some of these smells aren’t cause for alarm, while some could be hazardous. Learn the difference below.

Non-Hazardous Smells

  • Musty

Homeowners commonly notice a musty odor, especially when turning on the AC for the first time in the spring. Lingering moisture or dust in the system might produce this musty smell. If the smell persists, you will want to have your duct work checked for evidence of mold

  • Something Rotten

It’s entirely possible a small animal has become stuck in the air ducts over the winter and is now deceased, causing the horrible smell. It’s not necessarily dangerous but something that homeowners will want to take care of right away.

  • Cigarette Smoke

If someone in the house smokes or did smoke, the smell might get stuck in the condenser coil. It will then blow the cigarette smoke smell throughout the house. Cleaning the coil is an easy way to fix this smell.

Hazardous Smells

  • Rotten Eggs

This is an indication of a natural gas leak. While the gas itself doesn’t smell, most companies put a rotten egg-like scent into it so that leaks can be detected. Get out of the house immediately and seek contact Diamond Heating and Cooling to check the air conditioning system.

  • Burning

If it smells like something is burning, there could be a mechanical problem. Call Diamond Heating and Cooling right away to get the problem repaired and avoid a potential fire.

  • Sewage

This isn’t a common smell coming from the AC. If a sewer-like smell comes through the vents, it could mean there is a backed up sewer line near the ductwork. A small amount of methane can produce this sewage smell.

Many of the issues associated with these smells can be prevented with annual AC maintenance from Diamond Heating and Cooling. If any of these smells are present when turning the AC on for the first time this spring call Diamond Heating and Cooling and right away. We are available 24/7 for all your heating and air conditioning needs.

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