When Southern Louisiana hits the high 90s, air conditioners don’t just work harder. They start to fail. A recent heat advisory pushing highs to 97°F across the Houma and Thibodaux area is exactly the kind of stretch that turns a minor, ignorable AC issue into a middle-of-the-night breakdown. If your system hasn’t had a professional AC maintenance check this season, now is the time, not after it quits on the hottest day of the year.
Doug’s Service Company has been keeping homes across Houma, Thibodaux, Raceland, Lockport, and the surrounding parishes cool since 1988. Here’s what extreme heat does to an aging or neglected AC system, the warning signs to watch for, and what a real tune-up actually checks.
Why Extreme Heat Pushes AC Systems Past Their Limits
Every degree over 90°F adds strain to your system’s compressor, condenser, and refrigerant lines. During a heat advisory, most units run nearly nonstop just to hold the thermostat setting. There’s no downtime for the system to cool off or recover.
If a unit already has dirty coils, low refrigerant, or worn electrical components, that nonstop demand is often what finally causes a breakdown. This is why AC service calls spike every time Houma sees a stretch of triple-digit heat index days. It isn’t bad luck. It’s physics catching up with deferred maintenance.
Warning Signs Your AC Is Struggling With the Heat
During hot months, your air conditioning system works overtime to keep your home comfortable. While many AC units are built to handle peak summer demand, excessive heat stress can take its toll, and sometimes faster than you’d expect. The good news is that your system typically doesn’t fail without warning. By staying alert to performance changes, you can catch problems early and avoid a complete breakdown when you need cooling the most.
Most AC failures give some warning before the system quits entirely. Watch for:
- Warm air blowing from vents even with the thermostat set low
- The system running constantly without hitting the target temperature
- Unusual noises, such as grinding, clicking, or a loud hum on startup
- Higher-than-normal humidity indoors despite the AC running
- A spike in your electric bill with no change in usage habits
Any one of these on its own is worth a call. Several at once, during a heat advisory, means your system is on borrowed time. If your AC has already stopped cooling, don’t wait. Emergency AC service is built for exactly this situation.

What a Professional AC Tune-Up Actually Covers
“Tune-up” gets used loosely in this industry, so here’s what it should mean: a technician checking refrigerant charge, inspecting electrical connections, cleaning coils, testing the capacitor and contactor, verifying airflow, and confirming the thermostat is communicating correctly with the system. Skipping any one of those steps is how a small issue turns into a compressor replacement.
Right now, Doug’s is running a $79 Complete Heating and Cooling System Tune-Up for homeowners in our service area. It’s a straightforward way to catch the kind of wear that heat advisories expose before it turns into a no-cooling emergency. Our technicians work under Doug’s Electrical and Mechanical License #CL73874, so the inspection is done to code, not just a filter swap.
If Your AC Has Already Failed
If you’re reading this because your system already quit during the heat, a tune-up isn’t the immediate fix. AC repair is. Our technicians diagnose the actual failure point rather than guessing, and if the unit is old enough that repair costs start rivaling replacement, we’ll tell you that plainly.
Serving Southern Louisiana Since 1988
Doug’s Service Company has operated in the Houma-Thibodaux corridor for nearly four decades, with service extending into St. James, St. Mary Parish, Ascension Parish, Lafourche Parish, Assumption Parish, Terrebonne Parish, New Orleans, Raceland, and Lockport. That local footprint matters during a regional heat event. It means our dispatch and technician coverage is built around exactly this kind of demand spike, not stretched thin by it.
Doug’s currently holds a 4.7-star rating across more than 1,000 Google reviews from homeowners across the area, a track record built one tune-up and one repair call at a time, not a marketing claim.
Don’t Wait for the Next Heat Advisory to Find Out Your AC Is Struggling
Heat advisories in Southern Louisiana aren’t rare, and they won’t be the last one this summer. If your system hasn’t been checked recently, book the $79 tune-up before the next spike in temperatures, not during it, when every technician in the region is booked solid with emergency calls.
Frequently Asked Questions
How often should I get my AC tuned up in Louisiana’s climate?
Once a year, ideally in spring before the summer heat load begins. If your system hasn’t been serviced in the last 12 months, a tune-up now, even mid-season, can still catch problems before a heat advisory forces the issue.
Can a heat advisory actually damage my AC unit?
Extended high-heat operation doesn’t damage a properly maintained unit on its own, but it accelerates failure in any component that was already weak, such as a capacitor near the end of its life, low refrigerant, or a dirty condenser coil struggling to shed heat.
What’s included in the $79 tune-up?
A full system inspection covering refrigerant levels, electrical components, coil cleanliness, airflow, and thermostat function, everything that affects both cooling performance and the likelihood of a mid-summer breakdown.
My AC is blowing air, but it’s not cold. Is that an emergency?
During a heat advisory, yes. Treat it as one. Warm airflow with the system running usually points to a refrigerant or compressor issue that gets worse the longer the system keeps running under heat stress.
Is it worth repairing an older AC unit, or should I replace it?
It depends on the unit’s age and the specific failure. Our technicians will give you a straight answer on repair versus replacement cost during the diagnostic. We don’t upsell a new system when a repair will do the job.
Do you serve my area?
Doug’s covers Houma, Thibodaux, St. James, St. Mary Parish, Ascension Parish, Lafourche Parish, Assumption Parish, Terrebonne Parish, New Orleans, Raceland, and Lockport.
Schedule Your AC Tune-Up Before the Heat Wins
Call Doug’s at (985) 746-1116 or request an appointment online to book your $79 Complete Heating and Cooling System Tune-Up before the next heat advisory hits.