Why Does My Air Conditioner Smell like Mildew?

Posted On: May 05, 2016

Summer is here and if you switch on your air conditioning system only to discover a moldy, musty smell, you may be alarmed. The smell of mildew can certainly make your home uncomfortable. When you turn on your AC you expect cold air that will leave your home feeling comfortable, not a smell that will deter you from even wanting to turn your air conditioning unit on!

Notice a strange odor coming for your air conditioning system? If you suspect mildew growth, it’s time for professional help. The team at Ernst Heating & Cooling can help you turn your home back into a comfortable space.

Your home deserves only the very best in cooling services. If you’re looking to replace, repair, or install a new air conditioning system, the specialists at Ernst Heating & Cooling have the answer. Contact us today!

Reasons Why Your AC System Smells like Mildew

The smell of mildew not only stinks up your house quickly, but can also set you on edge wondering if the air in your home is healthy to breathe. If you smell a mold or mildew when you turn on your air conditioner for the first time this summer, it could be due to one of these reasons.

  • Your Air Filter – If your air filter is clogged or has excess moisture, it can quickly turn into mildew. Check your filters and if they are dirty or dusty, switch them out with clean filters.
  • Moisture in Your Ductwork – If your ducts are not sealed properly, they may be more susceptible to excess moisture. This moisture can quickly build up—causing mold and mildew to grow! Once you have a mildew problem in your ducts, it can quickly spread and become a problem in your home.
  • A Clogged Drip Pan – Your air conditioner’s drip pan is important when it comes to getting rid of moisture. If your drip pan is clogged, water will build up. This water is stagnant and can quickly become moldy, and the mildew can then spread throughout your AC system.
  • A Clogged Condensate Line – If your condensate drain line is clogged, it won’t be able to do its job of removing condensation from your AC’s coils. If you notice a clog, contact a professional right away. Without help, mildew could start to accumulate on your coils.

If you experience a mildew smell in your home and it’s not due to a dirty air filter—call an expert! Trying to ignore the issue could lead to more build-up which may eventually affect the health of those in your home! The team at Ernst Heating & Cooling can help troubleshoot your mildew problem, doing the necessary repairs and replacement so that the air in your home can start feeling and smelling fresh again.

Cooling Services in the Hamel, IL Area

Why call us? Ernst offers:

  • Options. Our techs make sure that you understand the repair we’re making, how long it will take, and how much it costs—and why. They will also present options to you if applicable.
  • Expertise. Ernst’s installation technicians go through a minimum of one hour of training a week. This helps them stay on top of new technologies, HVAC trends, and new ways to help our clients.
  • Innovation. Ernst was the first in the Metro East area to offer geothermal energy systems, and we are always striving to be at the forefront of the industry.
  • Payment plans. Just ask; we have several financing options available through reputable national companies.

Contact Ernst Heating & Cooling online or by calling us at 618.633.2244 to schedule your cooling services in Madison County!

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What People Are Saying About Ernst
  Reviews for Ernst Heating & Cooling

325 customer reviews

Average rating:5

  Great service...
They on time and very detailed in their approach to maintaining our HVAC systems. We are very pleased with their...
by John G on 12/07/2019
  Work on furnace
Great job on the furnace was having 20 or so Family members over for Thanksgiving 🍗and the furnace was fixed...
by Vicki m on 12/03/2019
  Excellent Service
Technician was on time and polite. He performed his inspection in a professional manner, then explained what he had...
by Ken K on 12/02/2019
  Dan is awesome.
Dan performed annual maintenance and identified what needed to be done for a leak.
by Janell S on 12/01/2019
  Very pleased with...
The service was thorough and quick. We called the same day and a serviceman was there the same day. He explained...
by wayne b on 11/29/2019
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