Your HVAC system works hard year-round to keep your Cleveland, TN home comfortable, cool in the summer and warm in the winter. But like any essential system, it needs regular maintenance. When that’s ignored, small issues can quickly turn into big (and expensive) problems.

If you’ve noticed something off with your heating or cooling, here are common HVAC issues that likely require professional repair.

Inconsistent Airflow Throughout the Home

If certain rooms feel warmer or colder than others, or your vents seem to blow weakly, you may have an airflow issue. This is often a sign your HVAC system is struggling to circulate air efficiently.

Common Causes of Poor Airflow:

• Low refrigerant levels (Freon)

• A failing compressor

• Blocked or dirty air ducts

• Leaks or gaps in ductwork

Q: Can inconsistent airflow damage my HVAC system?
A: Yes. It can lead to uneven strain on the system, reduced efficiency, and premature wear on components.

Thermostat Malfunctions

A faulty thermostat can cause comfort problems, inefficient energy use, and irregular cycling of your system. Sometimes, a simple reset works—but in other cases, it’s more serious.

Signs Your Thermostat Needs Repair or Replacement:

• Temperature readings are incorrect

• The system doesn’t turn on or off properly

• Thermostat is in a poor location (e.g., near windows or vents)

• Connection loss in older wired models

Q: Should I upgrade to a digital thermostat?
A: Yes, digital or smart thermostats offer better accuracy and energy savings. A technician can help install and program one correctly.

Unexpected Spikes in Energy Bills

If your utility bills are rising without a change in usage, your HVAC system may be working overtime due to hidden issues like:

• Refrigerant leaks

• Cracked ductwork

• Drain tube blockages

Q: Can small leaks really increase energy costs?
A: Absolutely. Even a minor refrigerant leak can make your system run longer and harder to maintain desired temperatures.

Dust or Debris Blowing from Vents

Visible dust or particles when the system turns on could mean your filters are clogged—or worse, your ducts are full of buildup.

Q: How often should I replace HVAC filters?
A: Every 1–3 months depending on usage, pets, and indoor air quality. Schedule inspections annually to ensure filters and ducts stay clean.

Bad Odors Coming From the System

Foul or musty smells are a clear sign something is wrong. Common culprits include:

• Mold or mildew growth inside the unit or ductwork

• Burned-out wiring or overheating components

• Refrigerant leaks (chemical odor)

Q: Are HVAC odors dangerous?
A: They can be. Mold spores and chemical leaks can impact health and should be addressed immediately by a professional.

Unusual Noises During Operation

Grinding, squealing, or rattling noises are never normal. These sounds typically point to mechanical issues like:

• Worn-out belts

• Broken bearings

• Loose or failing components

Q: Is it safe to keep running a noisy HVAC system?
A: No. It can cause further internal damage and may result in a total breakdown if left unchecked.

Why You Shouldn’t Delay HVAC Repairs

Delaying HVAC maintenance or repair can lead to:

• Higher energy costs

• Poor indoor air quality

• Shortened system lifespan

• Emergency breakdowns when you need heating or cooling the most

Call Metro Plumbing, Heating & Air for Expert Heating and AC Repair in Cleveland TN

Don’t let small HVAC issues spiral into major disruptions. If you’ve noticed any of the symptoms above, call Metro Plumbing, Heating & Air today. Our skilled technicians provide prompt, reliable heating and AC repair services in Cleveland, TN and surrounding areas.

We’ve been serving the local community for over 20 years with professional expertise and honest service.

Call us at 423-250-9376 | Visit metropha.com to schedule your inspection today.