Residential air conditioning condenser with a Texas Heatwave technician's gauge bag beside it during an AC repair visit in the Rio Grande Valley
AC repair done right

Cool air back fast, for homes and businesses

A broken air conditioner in July is no small thing in Texas. When your system stops keeping up, Texas Heatwave gets a real technician to your door quickly — not a salesperson. We test the whole system, tell you plainly what's wrong, and fix it for a fair price. Most repair calls across Harlingen and Houston get handled the same day.

AC repair covers a lot of ground: a unit that runs but blows warm air, weak airflow from the vents, loud or grinding noises, strange smells, water pooling by the indoor unit, or a system that keeps shutting off. Whatever the symptom, our job is to find the cause the first time so the fix actually holds.

We work on all major central AC and heat pump brands, for both homes and commercial spaces, from the Rio Grande Valley up to Greater Houston. Same family-owned team, same honest service, on both sides of Texas.

Signs it's time to call

Signs your AC needs repair

Air conditioners usually warn you before they quit for good. Catch these early and a small AC repair stays small. Notice any of these in your Harlingen or Houston home? Give us a call.

Warm or weak air

The system runs but the air isn't cold, or barely blows from the vents.

Strange noises

Banging, buzzing, rattling, or grinding usually points to a worn part.

Bad smells

Musty or burning odors when the AC kicks on shouldn't be ignored.

Water or leaks

Puddles or moisture near the indoor unit often mean a clogged drain.

Rising energy bills

A sudden jump in your bill can mean the system is straining to keep up.

Short cycling

The AC turns on and off again and again without cooling the room.

Won't turn on

No response at all usually points to an electrical or control fault.

Uneven cooling

Some rooms stay hot while others feel fine — a sign something's off.

What we fix

Common AC problems we repair

Most cooling trouble comes down to a handful of parts wearing out or getting dirty. Our technicians carry common parts on the truck, so many AC repairs are finished in a single visit — no waiting days for a fix.

Refrigerant leaks & low charge
Failed capacitors & contactors
Compressor problems
Frozen evaporator coils
Dirty condenser coils & airflow
Clogged condensate drains
Faulty thermostats
Electrical & wiring faults
Blower & fan motors
Grime-clogged air conditioner condenser coil restricting airflow, found during a Texas Heatwave AC repair diagnostic
Texas Heatwave technician testing an AC capacitor with a digital multimeter to diagnose a system that won't cool
How we work

Our AC repair process

1

We diagnose

Our tech tests the full system — refrigerant, electrical, airflow, and controls — to find the real cause, not just the symptom.

2

We explain & quote

You get a plain-English rundown of what's wrong and a clear price before any work starts. No surprises, no pressure.

3

We repair it

With your go-ahead, we make the fix with quality parts — often the same visit, since we stock common parts on the truck.

4

We test & clean up

We confirm your AC is cooling the way it should, walk you through the repair, and leave your space tidy.

Why Texas Heatwave

An AC repair crew you can trust

Texas Heatwave is a family-owned company built on treating your home like our own. Owner Miguel Ajpacaja brings over ten years in the trade, and every technician on the truck works the same honest way — fix what's broken, explain your options, and stand behind it.

Fully licensed & insured · TDLR TACLA 132429E
Family-owned & operated
Over 10 years of experience
Fast, often same-day service
Honest, upfront pricing
100% satisfaction guarantee
30 days labor on small repairs
Residential & commercial
Open air conditioner control board and wiring being repaired by a Texas Heatwave technician on an outdoor unit
Texas Heatwave technician servicing rooftop AC condensing units with the Houston skyline in the background
Where we serve

Get AC repair from your nearest location

We run two full HVAC teams — one in the Rio Grande Valley and one in Greater Houston. Pick the location closest to you to call, get directions, or request a free quote.

Harlingen

Rio Grande Valley

AC repair from our Harlingen location — serving Harlingen, San Benito, Weslaco, and Brownsville.

Call Harlingen(956) 591-7829 View Harlingen

Houston

Greater Houston

AC repair from our Houston location — serving Houston, Katy, Cypress, Spring, and The Woodlands.

Call Houston(832) 479-2737 View Houston
More HVAC help

Related services

Need more than a repair? We handle the whole system — from new installs to seasonal upkeep and after-hours emergencies.

AC Installation & Replacement

If a repair no longer makes sense, we size and install an efficient new system built for Texas summers.

Learn more

HVAC Maintenance & Tune-Ups

The best repair is the one you never need. Seasonal tune-ups catch small problems before they leave you without AC.

Learn more

Emergency HVAC Service

AC down at the worst possible time? Call us and we'll get to you as fast as we can to make it right.

Learn more
Questions, answered

AC repair FAQs

Straight answers to the questions we hear most from homeowners and businesses across Harlingen and Houston.

How much does AC repair cost?
Every system and problem is different, so we don't quote a flat price sight unseen. Our tech diagnoses the issue, then gives you a clear, upfront price before any work begins — no surprises. Call your nearest location for a free quote.
Do you offer same-day AC repair?
Often, yes. AC problems don't wait for a good time, so we move fast on repair calls across Harlingen and Houston and do our best to reach you the same day. Call early in the day for the best shot at a same-day slot.
Why is my AC running but not cooling?
Common causes are low refrigerant from a leak, a failed capacitor, a dirty or frozen coil, or a thermostat problem. Our technician tests the system, finds the real cause, and explains your options before making the repair.
Is it better to repair or replace my air conditioner?
If your unit is under about 10 years old and the fix is affordable, a repair usually makes sense. If it's older, breaks down often, or the repair is costly, we'll walk you through replacement honestly — with no pressure either way.
Do you repair all AC brands?
Yes. Our technicians work on all major central AC and heat pump brands, for both homes and businesses, across the Rio Grande Valley and Greater Houston.
Are you licensed and insured?
Yes. Texas Heatwave is fully licensed and insured and certified by the state of Texas (TDLR TACLA 132429E). You're covered every time our team is on the job.
Do you guarantee your AC repair work?
We back small repairs with a 100% satisfaction guarantee and 30 days of labor coverage. Certain parts may carry a manufacturer warranty — ask us and we'll tell you if your part qualifies.
Get started

Request a free quote

Tell us what's going on with your system and the best way to reach you — we'll get right back with a free, no-obligation quote. Serving Harlingen, Houston, and the surrounding areas.

Free, no-obligation quotes
Fast response — often same day
Fully licensed & insured
100% satisfaction guarantee

Prefer to talk to someone? Call your nearest location:

Call Harlingen(956) 591-7829 Call Houston(832) 479-2737
Ready when you are

Need AC repair today? Let's get you cool

Whether you're in Harlingen or Houston, our licensed, insured team is ready to find the problem and fix it fast. Call your nearest location or request a free quote — we'll take it from there.

Get a Free Quote Call Harlingen(956) 591-7829 Call Houston(832) 479-2737