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Experienced Commercial HVAC Company in Chicagoland 

The most common scenarios where your system might produce foul smells would include situations where:

  • There are dirty air vents or filters – If the filters and vents of a gas furnace become clogged, this will begin to cause a major issue for the rest of the system. As mildew and mold develop from the buildup, these growths will smell musty and unpleasant.
  • The electrical wires are worn or cut – The odor of burning metal is a clear indication that something is wrong with the heater. Sometimes this is caused by wear and tear over several years, but it may also be from the system being incorrectly installed. If rodents have chewed the wires or they have been accidentally cut, these components must be fixed immediately.
  • Debris is caught in the furnace or air conditioner – When a foreign object has fallen into an HVAC system, even if it is as small as a leaf, it may begin to smoke or burn. Speak to an experienced tech about removing it quickly. 

Be proactive in contacting our specialists now at (847) 744-8099 to help prevent costly replacements or repairs.

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  • Duct Professor Heating & Cooling Photo
  • Duct Professor Heating & Cooling Photo
  • Duct Professor Heating & Cooling Photo

Why Choose Duct Professor Heating & Cooling?

  • Satisfaction Guaranteed
  • Customer Care Focused
  • We Always Go the Extra Mile
  • Quality Work & Solutions


Ensuring your business property is comfortable for guests and employees can be hard work. It is especially important to make sure that any HVAC system at the locale is always working appropriately. At Duct Professor Heating & Cooling, we pride ourselves on our ability to provide prompt and effective support, whether you need an installation or maintenance. For any form of Northbrook commercial HVAC services, rapid action will allow our team to take care of the issue as quickly as possible. 

Be proactive in contacting our specialists now at (847) 744-8099 to help prevent costly replacements or repairs.

How to Know When HVAC Odors Point to Big Issues

When any staff member, employee, or customer notices a foul odor permeating the air of your business property, speak to a knowledgeable tech right away. While these odors could be something as simple as a dirty air filter, it could also indicate a bigger issue within your system. Fixing a malfunctioning HVAC system is the best way to keep up the reputation of a business and keep all patrons happy.

Be proactive in contacting our specialists now at (847) 744-8099 to help prevent costly replacements or repairs.

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What Our Are Saying

    "Responded So Quickly"
    I had an amazing experience. I came out later Thursday night to my water heater leaking water. After multiple calls to a few "24" hour emergency places that had no openings, I was beyond frustrated. I decided it's probably best to replace vs fix
    Amanda K.
    "Clean & Fantastic Job"

    Loved the service! The support on the phone was clear in answering my questions and suggested the best service for my case. Specialists arrived at time and did a clean, fantastic job. It was a super nice experience. Thank you very much!

    Sofiya G.
    "High-Standard Service with High-Quality Products"
    I called Duct Professor for a quote since our HVAC system was 20 years old and was not functioning properly. The owner scheduled an appointment with me via email and arrived on time. He thoroughly inspected both the A/C unit and furnace and advised to repl
    Eran I
    "Wonderful Experience"
    I had a good and wonderful experience with Duct Professor HVAC. I scheduled a furnace tune-up back in September so that way my furnace would be good and up and running for this winter coming up
    Jacob B.
    "Knowledgeable, Very Courteous and Efficient"
    The technicians were knowledgeable, very courteous and efficient. They worked fast and even applied disinfectant.
    Silviu T.
    "I’m very happy with their work."
    The initial evaluation and estimate by Dimitri was very thoughtful precise and evident of his knowledge of the system. Estimate was very reasonable. The workers showed up exactly on time were highly efficient and did a spectacular job. I’m very happy with their work.
    Guy Weinberg
    "Super quick and still thorough."
    Guys were great. Super quick and still thorough. They explained everything and were very professional just as the name would suggest. Would definitely hire again for our HVAC needs
    Josh Greenberg
    "It was a very good experience with Alex and his team."
    We replaced our HVAC system with duct professor. It was a very good experience with Alex and his team. They came on time, worked throughout the day to complete the project and cleaned up before leaving. Would definitely recommend!
    Peter P.