How to Get Rid of HVAC Odors

The 2 Types of HVAC Odors

HVAC maintenance

The 2 Types of HVAC Odors

Woman pinching her nose in disgust, indicating unpleasant odor, relevant to HVAC odor issues and maintenance guidance.

HVAC systems usually don't produce strong or abnormal odors when they're running properly. If you're worried about an odor that is  originating from your HVAC system, it's always a great idea to get expert assistance so that the source of the smell can be identified accurately so it can be repaired. Don't waste time until the odor gets worse, get in touch with a technician sooner rather than later.


Conveniently Fixed Odors

Some smells coming from HVAC systems can be discovered and fixed quickly.


A mildew smell could be coming from your HVAC system if excess water has built up as a result of bad drainage. This stuffy or moldy smell occurs when a high level of wetness has accumulated in your system. Adjust your filter first, but please call Best Owner Direct HVAC if this scent doesn't go away. Our HVAC Technicians can clean and drain your unit to eliminate this smell.


A rotting rubbish odor in your HVAC could be coming from a dead bird or rodent that is trapped inside the system. Give us a call straight away, and our HVAC professionals will gladly get rid of the source of the odor.


An old cigarette smoke smell can result from a smoker that's staying in the house. The fumes from the smoke can remain on the evaporator coil and cleaning this area of your HVAC system thoroughly can remove this unpleasant smell.


The oil smell usually comes from oil leaks in your system. HVAC professionals may just need to tighten up a fitting in the filter, tank, or oil line to repair the leakage. If there is no oil leakage, have an HVAC service technician inspect your cooling and heating system to find the source of the smell. This oil smell may also come from an oil burner that is not functioning properly. If you additionally observe unusual sounds, smoke, or soot, call an HVAC technician immediately as this could be a serious safety hazard for you and your family.


Hazardous Smells

Some HVAC system smells can be quite dangerous. A rotten egg smell could show a gas leak near your air ducts, in this instance, you definitely need to leave your residence and call the neighborhood gas company before calling a heating and cooling system specialist.


A sewer odor can occur if you have a sewer line near your ductwork that is clogged. If this happens, you need to call a plumbing technician or HVAC specialist right away. This sewer smell originates from methane and this flammable gas can fill your home.


A burning scent might suggest a mechanical problem with the fan in your HVAC unit. Switch off your HVAC, and also look for melting smells near your devices. Call a heating and cooling professional immediately to take care of the source of these smells.


Get Rid Of Cooling And Heating Odors

You can remove heating and cooling odor issues by looking for mold, dead animals, and various other feasible sources of toxic HVAC scents frequently. Various other ways to eliminate these smells consist of cleaning your evaporator coils, improving your ventilation, replacing your air filter, and organizing HVAC maintenance every year. HVAC service technicians can eliminate duct odors, check for damaged circuitry, and tighten belts or other components as needed.


The majority of the strange smells that originate from HVAC units can be resolved fairly conveniently, however, some can be unsafe. Contact Best Owner Direct HVAC to schedule a visit for your heating and cooling needs.

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Customer Testimonials

See what our happy customers have to say about their experience with Best Owner Direct HVAC & Electrical and why they continue to choose us for their home comfort needs.

    Been using them for years after the owner Kevin showed up so fast when our furnace went out one year. Been a fan since! Now, Danny is so great to work with, also. So friendly, knowledgable, fast. You guys are the best!

    Jessie M.

    Danny came out on a Saturday to diagnosis and fix my mom’s hvac unit.   He was able to quickly determine what the problem was and had all the parts to complete the repair right then.  His communication was clear and did a really good job helping us understand what caused the issue.  I would definitely recommend him and will be calling his company with any needs in the future. Thanks again!

    Michael R.

    Fantastic customer service! I had a furnace issue, called late morning and they fit me in for diagnostic right away. Technician was extremely knowledgable, walked me thru everything he found - unfortunately needed a new furnace (was 24 years old anyways), got it scheduled and installed within 24 hours as everything was in the warehouse (probably got lucky on what we needed). Overall excellent customer service, from scheduling to diagnostic, to installation. Highly recommend.

    Brad D.

    WOW! So impressed with so many aspects of this company. We had an animal die under the house in and could smell it coming out of the vents. When I called around, pest control was weeks out and Best Owner Direct was able to come the next day. Our technician, Danny was absolutely INCREDIBLE! Very professional, kind and made sure we had the problem taken care of the same day so we could breathe again! I look forward to continuing to work with them in the future for our HVAC needs.

    Todd & Tiffany F.

    Daniel was excellent, attentive to detail and committed to completing all tasks other installers overlooked. He worked tirelessly into the evening making sure everything was working properly with a water heather install, and he had a great attitude all along.

    Alma H.

    Excellent customer service, great communications answering all of our questions, left the site clean, and very respectful of our space within the house. Arranged to have someone come from the office later in the week to explain how the thermostat works.

    Vinod S.

    BOD is fast, efficient and affordable life save for my client who is purchasing a home with an old HVAC. Best Owner came quickly to help her asses the cost to replace it, and I will continue to recommend their services!

    Laurel A.