Your HVAC system keeps your home or business comfortable through scorching summers, cool winters, and everything in between. But how often do you actually need to service it to keep it running efficiently?

At Tarrant Mechanical, this is one of the most common questions we get from homeowners and business owners across DFW. In this guide, we’ll answer how often you should service your HVAC system, why it matters, and what you can expect during a professional tune-up.

Recommended HVAC Service Frequency

General Rule of Thumb:

  • Twice a year: Once in the spring (for cooling systems) and once in the fall (for heating systems).

This schedule applies to most homes and businesses in Texas, where HVAC systems run hard year-round due to extreme temperature swings.

Residential HVAC Systems

For homeowners, we recommend:

  • Spring A/C Tune-Up: Ensure your system is clean, charged, and ready for summer heat.
  • Fall Furnace or Heat Pump Check: Prepare for cooler temperatures and ensure safe operation.

Why twice a year?

  • Prevents breakdowns during peak seasons
  • Improves energy efficiency
  • Extends system lifespan
  • Maintains manufacturer warranties

Commercial HVAC Systems

Businesses often rely on larger, more complex systems that may need more frequent inspections.

  • Minimum: Two full system tune-ups per year
  • Ideal: Quarterly inspections, especially for high-use facilities like retail, offices, restaurants, or warehouses

Tarrant Mechanical offers custom commercial maintenance plans to fit your building’s usage and system complexity.

Signs Your HVAC System Needs Immediate Service

Even with a set schedule, don’t ignore these red flags that signal you need service now:

  • Strange noises or odors
  • Weak airflow or hot/cold spots
  • Rising energy bills
  • Frequent system cycling or shutdowns
  • Leaks or puddles around your indoor unit
  • Inconsistent temperatures from your thermostat

If you notice any of these, call our team for an inspection. Catching problems early saves time and money.

What’s Included in a Tarrant Mechanical HVAC Tune-Up?

Whether it’s spring, fall, or in between, our HVAC service appointments are thorough and tailored to your system. Here’s what you can expect:

  • Air filter inspection or replacement
  • Refrigerant level check and recharge
  • Coil and blower cleaning
  • Electrical and thermostat testing
  • Duct and airflow evaluation
  • Drain line cleaning
  • Safety control check
  • Efficiency recommendations

We service all major brands and provide honest assessments with no upsell pressure.

Why Routine HVAC Service Is Worth It

Many homeowners delay HVAC maintenance to “save money”—but that choice often leads to:

  • Emergency repair costs
  • System inefficiency and higher energy bills
  • Reduced lifespan of HVAC components
  • Voided manufacturer warranties

A typical tune-up is a small investment that prevents major issues. Our clients in DFW often save hundreds per year just by maintaining their systems on a regular basis.

Save with Tarrant Mechanical’s Maintenance Plans

Want to make HVAC maintenance even easier? Ask about our seasonal maintenance plans, which include:

  • Bi-annual system inspections
  • Priority service
  • Discounted repair rates
  • Peace of mind all year long

We’ll handle your scheduling so you never forget a service again.

Contact Tarrant Mechanical today to book your spring or fall tune-up—or to learn more about our affordable service plans for homes and businesses across DFW.