A recent survey showed that only 30% of US homeowners schedule regular HVAC maintenance. Additionally, only 27% regularly cleaned their outdoor condenser unit. So, it’s not surprising that many of us need emergency HVAC repair from time to time.

There’s always a temptation to overlook minor issues and kick them into the long grass. So how can you know when it’s time to call in an emergency HVAC repair service?

Let’s explore the answer together.

Warning Sign 1 – Odd Sounds

All HVAC systems make noise while operating – that’s normal. But if they start making odd sounds or alarming noises you don’t normally hear, you could be facing an HVAC malfunction.

These noises could be a sign of:

  • Air trapped in the coolant lines
  • Refrigerant leak
  • Motor problems
  • Compressor issues

The longer you delay in calling for help, the bigger the repair bill will probably be. 

Warning Sign 2 – Warm Air

With Franklin, TN, averaging 90° F in July and August, the last thing you want is warm air blowing around your home. It’s important to get this issue investigated as soon as possible. Don’t wait for extreme weather conditions to cause even more serious damage.

Warm air is usually a sign that you have a compressor issue or your vents are getting blocked. In some cases, a dodgy thermostat could be the problem. The fix could be something as simple as swapping it out for a new one.

Whatever the cause, call an emergency HVAC repair service and get it checked out as soon as possible.

Warning Sign 3 – Bad Smells

Bad smells in an HVAC unit can result from many things – dead animals, dirt build-up, or other debris in the ductwork. However, they can also signal serious safety risks, such as gas leaks and mold.

Gas Leaks

Gas companies add a distinctive “rotten eggs” smell to gas. If you smell this distinctive odor or even suspect that you can, evacuate your home immediately. Gas is highly flammable, and your family’s safety could be at risk.

Gas leaks are often accompanied by a telltale hissing sound of gas being released. Whatever the cause, an emergency HVAC repair service will be able to inspect your furnace and make it safe again.


Mold and mildew can build up in your ductwork. This can cause poor indoor air quality and a musty smell that permeates the house. In susceptible individuals, it can also lead to health issues.

The CDC advises that mold can cause sinus problems, coughing, and wheezing. It can also cause severe reactions in people with asthma or mold allergies. Getting to the root of the problem is crucial to avoid putting your family’s health at risk.

Choose Sewell for Emergency HVAC Repair

Emergency HVAC repair is about more than keeping you cool in summer and warm in winter. Depending on the underlying issue, your health and safety could be at risk. 

The experienced team at Sewell Electric & HVAC is on hand whenever you need it to get to the bottom of your HVAC problems. Our heating and cooling experts work hard to keep the folks of Franklin, TN, comfortable year-round!

Call us at (615) 794-2518 or contact us online to schedule your HVAC repair today!