If it continues, contact your HVAC technician.Ĭlick Here to View All Through-the-Wall Air Conditioners 2. If it does, it probably was just the dust burning off. Give it 20 to 30 minutes and see if the smell dissipates. If you are just turning on your heater, this could be a problem which will eventually go away on its own. In the fall, the first few times the heater kicks on, it may emit a burning odor that can smell electrical and dusty. Attempting to fix either of these items can result in severe injuries. An electrical odor typically is a problem within the motor or the wiring. A professional HVAC technician will need to check out the problem and make repairs. If it’s not an air filter issue, make sure the electricity is turned off at the master switch. First, check the air filter to see if it is very dirty as this can restrict the air flow and overheat the electric resistance heaters. Turn your unit off before attempting to diagnose the problem. If your HVAC unit smells like it might be overheating, it very well could be. Here are 5 common HVAC odors and what they indicate. If you are experiencing an electrical, burning odor, or gas smell, turn off the unit and call your HVAC technician right away. However, some smells, like rotten eggs or gas are more serious. Many times, the smells are not dangerous, just indicative that your system needs service. Look for excess water on the ground or other liquids which don’t belong. When troubleshooting the smell, use your other senses as well. It could be a dirty air filter or condensation which has created mold in the unity.
An odor problem doesn’t necessarily mean that the repair will be expensive.
One of the key things that many homeowners notice is bad aromas coming from the unit. Fortunately, it’s pretty good about giving signs when it needs servicing. The HVAC unit in your home is one of the most-used appliances, and it’s inconvenient and uncomfortable when it isn’t working.
HVAC Troubleshooting: How to Identify, Eliminate & Control HVAC Odors
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