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Different HVAC Smells and What They Mean

Jan 23, 2023

When living in Texas, the summer months are scorching hot and humid, and the last thing you want to be without is cool air. One way to tell that you may need an HVAC repair is if you smell something unusual coming from your unit. There are various smells your HVAC could produce, each indicating a different problem. Please browse the following section to explore the different HVAC smells and what they mean. When you smell something funky, it is essential to call an HVAC contractor before your problem worsens.


Rotten Eggs: When your HVAC system smells like rotten eggs, this usually indicates that there is a natural gas leak. You must call a professional as soon as possible when there is a rotten egg smell. Gas leaks are hazardous and can lead to an explosion if not handled timely.


Musty: If your HVAC system has a must or mildew scent, you could have a buildup of mold in your system. When moisture isn't draining properly in your unit, it will become a breeding ground for mold. Mold can significantly affect your indoor air quality and the health of those in your home or business, so you will want to call an HVAC contractor as soon as possible.


Smoke: A burning smell from your HVAC system is never a good sign. If something inside your system is burning or overheating, it will give a smoke smell throughout your property. A damaged motor or frayed wire could be causing this smoke smell.


Oil: The main reason you could be smelling oil from your HVAC system is if you have an oil leak. Oil leaks are an easy fix, but an oil smell could also indicate a damaged oil burner or clogged pump. A professional will determine what is causing the oil smell and find a dependable solution.

Give Us a Call Today for an HVAC Repair!

Any of the smells above indicate that it is time for an HVAC repair, and you want to ensure you hire a professional that knows what they are doing so you don't have to rely on fans to keep you cool. At BJ's Heating and Air, we have provided quality HVAC services to homes and businesses since 2004. Our professionals have the knowledge, tools, and equipment to ensure your HVAC repair is completed quickly and efficiently. Give us a call today to schedule an appointment. We proudly offer services to Rockport, Portland, Ingleside, Aransas Pass, TX, and the surrounding areas. 

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BJ's Heating and Air is an HVAC contractor serving Rockport, TX. Click here to learn more about how to prepare your furnace for the winter weather!
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Did you know that the condition of the ductwork inside of your home has a direct impact on the quality of the air you'll be breathing in while in your home? Air ducts are a critical component of your HVAC system as they are the vents that carry the hot or cool air through your home. If these are neglected, your HVAC system won't run efficiently and could cause further problems. The quality of your air will decrease and more wear and tear could occur on your HVAC. There are some signs to watch out for indicating you need AC duct repairs including: Dusty Vents- If your air vents are covered in dust, this is a clear sign you may be in need of AC duct repairs. Strange Noises - If you notice popping, banging, or booming sounds when you turn on your AC, there is most likely an issue with your ductwork. Excess air pressure, poorly fitted ducts, and more are all issues that can occur. Poor Air Flow- Reduced airflow with your AC unit could be due to a crack, tear, or broken seal within the ductwork. Essentially less air is reaching the vent and getting pushed out. Moldy Smells- Mold will grow where there is excess moisture and humidity. When you turn on your AC unit and notice a moldy odor, it could be due to poorly insulated ductwork or a leak in the ductwork. Differences in Temperature- If you notice different temperatures throughout your home, it could be due to clogged ducts, an air leak, and other factors. Higher Energy Bill- When you notice a spike in your energy, take a look at your HVAC and ductwork system as an issue here could be driving up the cost.
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A good routine to get into is getting your A/C, heater, or HVAC unit checked every year to determine if it needs any repairs. Being proactive about these repairs will help you keep your heating and cooling systems lasting for years to come. Here are a few benefits of keeping up with your heater and A/C repairs: Better air quality - A dirty air filter is when dust, pollen, hair, or other debris get stuck in the filter on the inside of your A/C unit. These different types of debris will decrease the air quality in your home. If you suspect this could be happening to your A/C unit, contact our team about A/C repairs. Increases life of your unit - Keeping up with regular A/C repairs will naturally increase the amount of time your A/C unit lasts because you aren’t dragging your feet on getting issues repaired. Decreases chances of it breaking down - Being proactive with A/C repairs will decrease the likelihood of your A/C unit breaking down because you’ll be catching an issue before it gets big. Keep your energy bill low - The more diligent you are with A/C and heating repairs, the more efficient your units will be. An A/C unit or heater that needs to be repaired will not be as efficient as a system without any issues. Failure to fix issues results in your units working harder, which translates to a higher energy bill. Prevent bad air - Excess condensation within your A/C unit can result in the growth of mold. This mold could make you or anyone else living in your home sick if you don’t take care of it. Sometimes it can be hard to see mold growing in there, so it’s a good idea to just check your A/C unit regularly. If you don’t know how to check your unit, our A/C repair team can take care of it, Remain cool - No one wants their A/C unit to be blowing out warm air in the summer. If you notice yours is, contact our A/C repair team right away! We will have one of our contractors come fix it in no time at all. Contact our team at BJ's Heating and Air for more information about our heating and A/C repair services. We proudly serve Rockport, Portland, Ingleside, and Aransas Pass, TX.
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