How Often Should HVAC Get Serviced?
FBMAccess • September 23, 2025

September 23, 2025

Your heating and cooling system is one of the most important (and expensive) pieces of equipment in your home, yet many homeowners wait until something breaks before calling a technician. Your HVAC system needs regular tune-ups to run smoothly, keep your home comfortable, and save you money on energy bills. Think of it as a wellness check for your home’s comfort system — skip it, and small issues can snowball into major repairs.

How Often Does an HVAC System Need to Be Serviced?

Industry experts, including the U.S. Department of Energy, recommend at least one professional HVAC service every year . But in most cases, the best practice is twice per year :

  • Spring: Service your cooling system before the Texas heat (or any summer heat) hits.
  • Fall: Service your furnace or heat pump before the colder months roll in.

This seasonal approach ensures both systems are inspected and tuned up before their busiest time of year. For homeowners asking “how often to get HVAC serviced?” the short answer is: once a year minimum, but ideally every spring and fall.

Why Regular HVAC Service Is Important

Skipping regular service might not show immediate consequences, but over time it takes a toll. Here’s why routine maintenance is worth it:

Energy Efficiency & Lower Bills

A clean, well-adjusted system doesn’t have to work as hard to keep your home comfortable. That means less energy wasted and lower monthly utility costs.

Fewer Breakdowns

A seasonal checkup can catch a weak capacitor, dirty coil, or loose wiring before it causes a mid-summer AC failure. Preventive maintenance is cheaper and far less stressful than emergency repairs.

Longer Equipment Lifespan

Just like oil changes extend the life of your car, regular HVAC service helps your unit last longer. Neglected systems wear down faster and usually need replacement years earlier than well-maintained ones.

Cleaner, Safer Air

Filter changes and coil cleanings help reduce dust, pollen, and allergens circulating through your home. For heating systems, inspections also reduce the risk of safety hazards like gas leaks or carbon monoxide exposure.

Factors That Affect How Often to Service HVAC

While once or twice per year is the rule of thumb, your home’s needs can vary. Here are some factors that can change the timeline:

Climate & Usage

In Texas and other hot, humid regions, air conditioners work almost nonstop from spring through fall. That heavy workload means biannual servicing is highly recommended. Milder climates, where HVAC runs less often, may get by with just one annual service.

System Age

Units over 10 years old need closer attention. Components wear down faster, and regular check-ups can help catch failing parts before they cause a system shutdown.

Environmental Conditions

Dust, pollen, pet dander, and even nearby construction can clog filters and coat coils quickly. If your home has pets or sits in a dusty area, consider more frequent service.

Type of System

Heat pumps provide both heating and cooling, running year-round. Because of this, they benefit most from spring and fall tune-ups. Vacation homes or part-time residences may only need seasonal check-ins timed before heavy use.

What’s Included in an HVAC Service?

A professional HVAC tune-up isn’t just a quick glance — it’s a full checklist designed to keep your system at peak performance. A standard maintenance visit often includes:

  • Inspection: Checking all major parts like motors, fans, and electrical connections.
  • Cleaning: Removing dust and debris from coils, blower components, and drain lines.
  • Filter Replacement: Ensuring a clean filter is in place for healthy airflow.
  • Lubrication: Oiling moving parts to prevent friction and wear.
  • Testing: Measuring refrigerant levels, electrical loads, and thermostat accuracy.
  • Safety Checks: Inspecting furnaces for cracks or gas leaks, verifying carbon monoxide safety, and ensuring system cycling works correctly.

This level of attention helps prevent breakdowns, improves efficiency, and keeps your home safe.

Signs You May Need Service Sooner

Even with a maintenance plan, sometimes your HVAC will need attention before your next tune-up. Keep an eye (and ear) out for these red flags:

  • Strange Noises: Banging, rattling, or grinding often means loose or failing parts.
  • Weak Airflow: If rooms feel unevenly cooled or heated, your system may be struggling.
  • Rising Energy Bills: A sudden spike in utility costs can signal efficiency problems.
  • Unusual Odors: Musty smells may indicate mold, while burning odors suggest electrical issues.
  • System Age: Units over 10 years old may require more frequent service to stay reliable.

Catching these issues early can save you from costly emergency repairs and help keep your home comfortable year-round.

Considerations For Texas Residents

Texas is a perfect example of why climate matters for HVAC care. Long, hot summers push AC units to their limits, while unpredictable winter cold snaps can leave homeowners scrambling for heat. Here’s what to keep in mind if you live in Texas (or any region with similar extremes):

  • Extended Summers: Your AC may run nearly nonstop for months, making a spring tune-up essential.
  • Unpredictable Winters: Even if your heater runs less often, a fall inspection ensures it’s ready when you need it.
  • Dust & Pollen: Spring allergens and dry conditions clog filters and coils faster, meaning you may need extra filter changes.
  • Coastal Humidity & Salt Air: Near the Gulf, humidity and salt can corrode outdoor units, making routine cleanings and inspections critical.

Regular service tailored to these challenges helps keep your system efficient and dependable through Texas’ wild weather.

Consistent Care = Year-Round Comfort

So, how often to service HVAC systems? At least once a year, but twice a year (spring and fall) is the sweet spot for most homeowners. Regular maintenance keeps your system efficient, lowers your bills, extends equipment life, and reduces the risk of breakdowns.

Skipping service may save you a little time upfront, but it almost always costs more in the long run — in higher utilities, emergency calls, or premature replacements. Think of it as comfort insurance: a small investment now keeps you cool in summer, warm in winter, and stress-free all year long.

Schedule Your Service with Comfort Techs

Don’t wait for your HVAC to remind you it needs attention. Comfort Techs offers comprehensive maintenance services built for Texas homeowners — from multi-point inspections to seasonal tune-ups that prepare your system for whatever the weather brings.

Our licensed and insured technicians are available year-round to keep your home comfortable and your HVAC running at its best. Whether you need a spring AC tune-up, a fall furnace check, or an ongoing maintenance plan, we’ve got you covered.

Call us today at (210) 920-4645 or visit our Contact Page to schedule your service.

 

White check mark on a green square background.
By FBMAccess June 20, 2025
If your air conditioner is making a rattling noise, don’t brush it off as just another sound. That noise is your system’s cry for help—and in San Antonio’s heat, you can’t afford to ignore it. Whether the rattling is coming from your outdoor condenser or your indoor air handler, it’s almost always a sign that […] The post Why Is My Air Conditioner Making a Rattling Noise? appeared first on Comfort Techs.
Red pushpin, grey stem, marking a location.
By FBMAccess June 2, 2025
When your air conditioner refuses to start during a sweltering San Antonio summer, the discomfort sets in fast. For many homeowners, this is a moment of stress and urgency—especially when temperatures soar above 100°F. If you’re asking yourself, “why won’t my AC turn on?” you’re not alone. The good news is that many common causes […] The post Why Won’t My AC Turn On? A Complete Troubleshooting Guide for San Antonio Homeowners appeared first on Comfort Techs.
By FBMAccess June 2, 2025
There’s no such thing as a “normal” grinding noise from your AC. When your system kicks on and it sounds like metal is chewing metal, something’s gone wrong. Whether it’s a worn-out motor, failing compressor, or something as simple as a loose blade scraping the housing—ignoring the sound is a fast track to major repairs. […] The post Grinding Noise When AC Is On? Here’s What It Means appeared first on Comfort Techs.
Show More →