They came to do the full inspection of our HVAC system and performed a thorough inspection with photos and a very detailed list of quoted recommendations. Gary and team were punctual the 3 times they came to our home and their price was very reasonable.
Read on GoogleHVAC Repair in Central Texas
Cooling back the same day in most cases. Honest diagnostics on the system we already know from the inside, and a straight answer on repair versus replace.
Or call +1 (737) 299 19 19for free inspection
Cooling back the same day in most cases. Honest diagnostics on the system we already know from the inside, and a straight answer on repair versus replace.
When HVAC Repair May Be Needed
If you’re searching for
AC blowing warm air or weak airflow
Heater not producing enough heat
System short-cycling (turning on/off frequently)
Unusual noises (buzzing, rattling, grinding)
Burning or musty odor when running
Frozen coils or excessive condensation
What’s Included in Our
HVAC Repair
Service
The exact scope depends on your home and what the inspection finds.
Full system diagnostic inspection
Identification of the root cause (not guesswork)
Thermostat and control testing
Electrical component inspection (capacitors, contactors, wiring)
Airflow evaluation and performance checks
Clear explanation of findings
How HVAC Repair
Works
Every project begins with a free professional inspection. The final scope depends on the home, existing system, and requirements.
Inspection & Diagnostics – We test the system, controls, airflow, and key components
Clear Recommendations – You receive a straightforward explanation of what’s wrong and what it will take to fix it
Written Estimate – No surprises
You approve the repair plan before work begins.
Repair & Verification – We complete the repair and test operation, airflow, and performance
What the Free
Air Duct Inspection
Actually Covers
9 steps, each one photographed, from supply registers & vents to duct connections, sealing & support. See exactly what we check, what can go wrong and what we photograph before you book.
From Our
HVAC Repair Jobs
Taken by the crew on site. Nothing staged, nothing from stock. 8 photos.








Recent HVAC Repair
Projects
See examples of hvac repair work completed for homeowners across Central Texas.

BeforeAfter
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BeforeAfterWhat Central Texas
Homeowners Say
Read what local homeowners say about their experience with Air Duct Busters.
Gary and the team completely overhauled and replaced all ducts, return boxes, drains, etc. for both of our HVAC systems. Timely, professional, prepared, friendly and completed the large job in record time.
Read on GoogleAnother company installed my HVAC and did a poor job. Air Duct Busters came in to fix the other company's mistakes and improve the efficiency of my heating and cooling. They're now our go-to HVAC professionals.
Read on GoogleCame by to do an inspection after a shoddy job by a different HVAC company. They remedied all the existing issues with the HVAC unit, added insulation where we were significantly lacking, and cleaned up thoroughly after.
Read on GoogleHVAC Repair Across Central Texas
Air Duct Busters provides hvac repair for homeowners throughout Central Texas, including Marble Falls and surrounding communities.
Read Before
You Book
Short reads from the crew: what we find in Hill Country homes, what it costs, and what to do about it.

Attic insulation in Central Texas: how much is enough and when to replace it
Why the ceiling, not the windows, is where a Hill Country home loses the fight in August. What 14 inches of blown-in insulation means, when topping up works and when the old material has to come out.
September 7, 2026 · 5 min read

Why your AC runs all day in August and still cannot keep up
An AC that never shuts off in a Texas summer is usually not broken. Attic ducts, a dirty coil, a thin attic and a leaking plenum are the common causes, and most are cheaper to fix than a new unit.
September 7, 2026 · 4 min read

Buying a home in the Hill Country: the HVAC, duct and chimney check the inspector skips
A general home inspection turns the AC on and off. It does not open the plenum, look inside the ducts, or go up the flue. What to check before closing, and what it costs when you do not.
September 7, 2026 · 4 min read
Frequently Asked
Questions About
HVAC Repair
How quickly can you come out for HVAC repair in Central Texas?
We offer prompt scheduling and same-day appointments when available. Call 737-299-1919 and we’ll get you the soonest opening.
What causes an AC system to stop cooling?
Common causes include airflow restrictions, dirty coils, electrical component failure, thermostat issues, or refrigerant-related problems. A diagnostic inspection confirms the root cause.
Should I repair or replace my HVAC system?
If your system is older, frequently breaking down, or inefficient, replacement may be more cost-effective. If the issue is isolated and the system is in good condition, repair is often the best choice.
Do you service both heating and air conditioning?
Yes. We repair air conditioners, heaters/furnaces, heat pumps, thermostats, and air handlers.
Do you provide a quote before repairing anything?
Yes. We start with a diagnostic inspection and provide clear recommendations and a written estimate before any repair work begins.
Ready to Book HVAC Repair?
Start with a free professional inspection. We look, photograph, and put the price in writing before any work.
+1 (737) 299 19 19