How Often Should You Service Your AC in Texas?

Serving homeowners in Memorial and nearby Houston neighborhoods.

Texas homeowners should typically have their AC system professionally serviced twice a year, once in spring before peak cooling season begins and once in fall as the system winds down. Houston's long cooling season, often running from March through October, puts far more strain on AC systems than climates with shorter summers, making biannual maintenance more important here than in most parts of the country. Skipping regular service increases the risk of a mid-summer breakdown when you need cooling the most.

Why Houston's Climate Demands More Frequent Service

In much of the country, AC systems get a real rest during fall and winter. In Houston, that rest period is short, and many homes run their AC intermittently even in December and January during warm spells. That extra runtime means more wear on capacitors, contactors, coils, and refrigerant lines, and it means dust, pollen, and humidity have more opportunities to affect performance. A system that might get by on annual service in Minnesota needs more attention here to perform reliably through a Houston summer.

The Ideal Seasonal Schedule

Spring Tune-Up (February to April)

This visit should happen before the real heat arrives, ideally while temperatures are still mild enough that a technician can test the system thoroughly without your household being at risk if something needs immediate attention. A spring tune-up typically covers refrigerant levels, electrical component testing, coil cleaning, and a full system performance check to make sure you are ready for the demanding months ahead.

Fall Check-Up (September to November)

Even though Houston does not see a hard freeze most winters, a fall visit is still valuable. It gives your system a break after months of heavy summer use, catches any wear that occurred during peak season, and prepares the heating side of your system if you have a heat pump or furnace that will see occasional use during Houston's mild but real winter cold snaps.

What Happens If You Skip Maintenance

• Higher electric bills: Dirty coils and low refrigerant force the system to work harder for the same cooling result.
• Increased breakdown risk: Small issues like a weakening capacitor often go unnoticed until they cause a full failure, usually at the worst possible time.
• Shortened system lifespan: Neglected systems typically wear out faster, turning a 15-year expected lifespan into something closer to 10 or 11.
• Voided warranties: Many manufacturers require documented annual maintenance to keep warranty coverage valid.
• Worse humidity control: A poorly maintained system struggles to manage Houston's humidity even when it is technically hitting the temperature setpoint, leaving homes feeling clammy and uncomfortable.

Between-Visit Maintenance You Can Do Yourself

Homeowners in neighborhoods across Houston, from established areas like West University to newer developments in Katy, can extend the value of professional visits with a few simple habits. Check and replace your air filter every 30 to 90 days depending on filter type and household factors like pets. Keep the outdoor condenser clear of grass clippings, leaves, and debris, and trim back plants to maintain at least a couple feet of clearance around the unit. Make sure the condensate drain line is not clogged, since Houston humidity produces significant condensate that needs to drain freely to avoid water damage or system shutdowns.

Signs You Need Service Sooner Than Scheduled

Do not wait for your next scheduled visit if you notice weak airflow, unusual noises, rising electric bills without an obvious cause, water pooling near the indoor unit, or the system running constantly without reaching your set temperature. These signs typically mean something needs attention before it becomes a full breakdown.

Getting Started

If it has been more than six months since your last professional check, now is a good time to schedule one, especially heading into or coming out of Houston's peak cooling season. We offer free quotes for maintenance plans as well as same-day and 24/7 emergency service if a problem shows up between visits.

Frequently Asked Questions