Seemingly Unrelated Signs Something Is Off With Your HVAC System

Published on: July 28, 2017
AC Installer | AC Southeast®

You probably know the obvious signs of a broken HVAC system in your Georgia home. In the summer, if your HVAC shuts off completely or starts blowing warm air, you don’t hesitate to call your HVAC contractor to come fix the problem. Unfortunately, not all HVAC issues are that obvious. Sometimes HVAC issues are disguised as other problems, making them difficult to diagnose. Be on the lookout for these signs there’s a problem with your HVAC system.

Funny Smells

Strange smells can signal that something is seriously wrong with your HVAC system. For example, if you smell rotten eggs in your home, it might be a sign of a natural gas leak in your home. Gas leaks are dangerous for a number of reasons, and they’re something you should have investigated immediately.

If your home smells unusually musty, it typically means you have mold growing somewhere. The mold could be coming directly from your HVAC system from a leak, or it could be elsewhere in your home. Mold is not just unsightly and bad for your indoor air quality. It could also negatively affect your family’s health. If you smell mold or a musty smell, find the cause immediately. Also, take precautions against mold such as monitoring the humidity levels in your home and ventilating areas that are prone to water accumulation.

Another smell that signifies an HVAC issue is that of animals. Animals and bugs sometimes climb into the ducts and get trapped in your ductwork. The smell then blows throughout your home via your ductwork and vents. Besides being a nuisance, it’s bad for your air quality to have clean air blowing through animal remnants before entering your home.

Increased Dust in the Home

If you feel like you’re constantly dusting, you might have a problem with your HVAC system. Clogged air filters lead to an increase in dust in the home. When your air filters start to get dirty and clogged, it can be more difficult to keep the air clean. A dirty air filter typically means dust and dirt just keep circulating through your home. Fortunately, it’s an easy fix. Check your air filters monthly, and change them if you notice an increase in dust or if they start to get dirty or clogged.

Allergy or Flu Symptoms

Your family’s health can be an indicator of your HVAC system’s health. Poor indoor air quality (IAQ) is often attributed to your air filters and your HVAC system. Poor IAQ can cause health concerns such as allergy or flu-like symptoms, including watery eyes, a scratchy throat, coughing, sneezing, and headaches. If your family suddenly starts experiencing these types of issues, have one of our technicians test your IAQ and implement strategies to improve the air quality in your home to prevent further issues.

Utility Bill Spikes

Utility bill spikes are costly but fairly standard during the high seasons. Watch to make sure the spike has a reasonable cause because it could mean something is wrong with your HVAC system. As your system ages, it pulls more energy to heat or cool your home. It also uses more energy than normal when it’s on the verge of breaking down. While house guests or a heat wave could explain your higher utilities, if all other factors are normal, call one of our techs to come check your HVAC system.


If you see puddles outside near your HVAC unit and it’s not raining, you probably have an issue that needs to be addressed. Puddles around your system might be due to a refrigerant leak. It could also just be from condensation, so check your unit carefully if you see puddles. These leaks could become a safety issue due to slick footing as well as mold growth. If it indicates an issue with your HVAC system, you will want to get it checked out, so the problem doesn’t persist or worsen.

If you have HVAC concerns, we are the people to call. Get in touch with one of our experienced HVAC technicians at AC Southeast®.