Your HVAC system is essential to keeping your home comfortable through all seasons. However, when foul odor infiltrates your space, it might signal that your unit requires professional attention. Here are four common reasons behind these strange smells and what you can do about them. 

1. Debris Buildup

Over time, dirt and dust can build up within ducts and various HVAC system components. You’ll know it’s time for a thorough cleaning if your unit produces musty or stale odors when turned on. Regular maintenance, including routine filter changes and duct cleaning, can keep your living space smelling fresh. It can also contribute to your equipment’s efficiency and longevity.

2. Electrical Issues  

If your HVAC system emits a burning smell while running, turn it off and contact professionals immediately. This issue can happen due to faulty wiring, overheated components or malfunctioning motors. Electrical problems can be fire hazards if not fixed promptly. 

3. Mold Growth

High humidity and excessive moisture can encourage mold and mildew growth within your HVAC system. These microorganisms thrive in damp environments. Your equipment can become a breeding ground for mold without proper drainage or humidity control. Besides producing unpleasant odors, mold can harm your family’s health. It poses serious health risks, especially to individuals with allergies or respiratory conditions. Addressing the source of moisture and professional mold removal can resolve this problem. 

4. Pest Infestation

Pests are another culprit behind a poor-smelling HVAC system. Rodents, insects and other small creatures can enter ducts, leaving droppings, urine or decaying matter behind. All these things can cause foul smells to permeate your living space. Quickly dealing with a pest infestation is vital to prevent further damage and health hazards. 

Is your HVAC system producing weird odors or making strange noises? Let Aircons Heat & Better Air Inc. check and fix the problem for you. We’re here to ensure your indoor spaces remain comfortable and safe all year round. Call us at (469) 931-2048 or fill out our online form to schedule a service.