When your air conditioner is clean and running right, you shouldn’t be smelling anything odd. Peculiar air conditioner noises and weird smells are a hint that something is up. If your air conditioner is aging or you haven’t had service done within the last year, they can be a clear sign you need pro air conditioning repair in Ballwin and St. Charles.

Here are six of the most frequent air conditioner smells and how you can fix them.

1. Central Air Conditioner Smells Like Chemicals

If your air conditioner smells bad when turned on, specifically a chemical scent, it isn’t a good sign. You could also report your:

  • Air conditioner smells like paint thinner
  • Home air conditioner smells sweet

These sweet, chemical scents are typically a sign that your air conditioner has a refrigerant leak. Your system relies on this gas to transfer heat through copper coils, which can break out as time passes.

Four Clues You Are Dealing with a Refrigerant Leak

Besides the strange smell, here are four other clues that you are dealing with a refrigerant leak.

  1. Bubbling or hissing sounds when your air conditioner is on.
  2. Ice on refrigerant lines or the evaporator coil.
  3. It’s hard keeping your residence cold or reaching your programmed temperature.
  4. High energy costs.

How You Can Fix It

A refrigerant leak calls for experienced repairs from a heating and cooling company like Air Alliance Team. Your cooling professional will find and mend the leak before recharging your air conditioner with refrigerant.

Resolving a refrigerant leak often costs between $225 and $1,600, based on nationwide averages put together by HomeAdvisor. Your precise cost will depend on the location and severity of the leak, as well as how many hours it takes to repair.

If your air conditioner was installed before 2010, there’s a high probability it uses R-22 or Freon refrigerant. This refrigerant is no longer being manufactured due to its negative effects on the ozone layer. Due to this, repairs can be significantly expensive so it may be best to do air conditioning installation in this situation.

2. Air Conditioner Smells Like Gas

If your air conditioner smells like rotten eggs, there’s likely nothing wrong with it. But there’s a good probability you have a natural gas leak in your house. Natural gas has a sulfur-like additive to signal you when there’s a leak, since the gas can be deadly in large amounts.

How You Can Fix It

If you notice a sulfur or rotten egg odor, we suggest:

  • Shutting off your gas supply.
  • Opening windows.
  • Going outside right away.
  • Contacting your gas company now.

3. Air Conditioner Smells Musty

People who reach us about this situation usually mention their air conditioner smells like feet, dirty socks or a locker room when it’s on. Also known as dirty sock syndrome, this smell is frequently linked to a filthy evaporator coil that has mold, mildew and bacteria buildup. Moisture can also make your home air conditioner smell bad. Dirty sock syndrome is most often seen in climates where you need heating at night and during the morning before transitioning to cooling later on.

How to Repair It

The best method for preventing dirty sock syndrome is to regularly get a new air filter and schedule regular air conditioning maintenance with Air Alliance Team. We’ll keep the evaporator coil clean and the drainage system flowing, because stagnant water can also produce noxious odors.

4. Air Conditioner Smells Like Vinegar

If you are living with air conditioner mildew smell or a strong, vinegar-like odor, it can be caused by several problems, including:

  • A dirty filter
  • Extra condensation
  • Blocked condensate pan or drain line
  • Moldy air conditioner or ductwork

How to Repair It

Inspect your filter first. If you haven’t changed it within the last three months and can’t see light through it, we recommend replacing it. If that doesn’t resolve the issue, contact Air Alliance Team at 636-206-4584.

5. Air Conditioner Smells Like Burning Plastic

If you’re experiencing an air conditioner burning smell or that your air conditioner smells like fish, there could be a couple of things wrong. These include:

  • Broken capacitator that’s overheating the motor.
  • Motor that should have lubrication.
  • Broken fan belt.
  • Electrical malfunctions.

Electrical malfunctions should be checked right away to avoid a fire. If you smell burning plastic when your air conditioner is on, switch it off and contact us at 636-206-4584 without delay.

6. Air Conditioner Smells Like Cat Pee

A powerful ammonia odor means there could be mold flourishing within your air conditioner or ductwork. The smell isn’t the mold itself, but the mycotoxins that mold creates.

How to Fix It

Mycotoxins are hazardous to your health. That’s why it’s important to have a pro like Air Alliance Team look at your air conditioner and ductwork and clean it when necessary.

Our Pros Can Take Care of Unpleasant Air Conditioner Smells Quickly

You deserve to be comfortable in your house and shouldn’t have an air conditioner that smells bad. When you are seeking relief from your noxious air conditioner, give us a call at 636-206-4584. We’ll determine the issue quickly and take care of it at a reasonable.