“This place is the best! Right on time and extremely knowledgeable and professional. I will never use another plumbing company! Great work!”
AC Repair in Orange County & S. Bay/LA
Cooling-system problems don't always occur during regular business hours, so we make our air-conditioning services available to local homeowners even during emergencies. You can rely on us to arrive promptly — even in the middle of the night — and to get right to work restoring your malfunctioning AC to good working order.

AC Repair
Family-Run · OC, CA
Overview
Our trusted approach starts with a clear diagnosis and an honest conversation about whether your system needs a repair or, in some cases, replacement. No commission, no high-pressure upselling.
Our approach
Common AC Problems We Resolve
Every job runs through Master Plumbers and IICRC-certified techs. No commission, no upselling.
System Won't Cool
Refrigerant issues, failed compressors, or thermostat miscalibration — we diagnose all three and get to the root cause before recommending parts.
Frozen Evaporator Coil
A frozen coil usually points to airflow restriction or low refrigerant. We safely thaw, inspect, and address the underlying cause so it doesn't happen again.
Strange Noises or Smells
Buzzing, screeching, or burning smells point to motor, electrical, or fan-bearing issues. We diagnose and repair without unnecessary part swaps.
Top-Rated
Google · Yelp · Angie's List
CSLB #834662
Licensed · Bonded · Insured
30 Years Running
Angie's Super Service Award
BBB Accredited
Verified profile
Master Plumbers
IICRC-certified techs
Real customers
In their words.
“Dino, Angel and crew are a pleasure to deal with. Professional, knowledgeable, fast, and efficient. If you want top-quality workmanship - you'll want to work with this group of professionals. Highly recommended!”
“Patriot Plumbing took care of our major plumbing issue in an extremely timely manner. They fit us in the same day and kept their commitments in terms of when they arrive and how long it will take to complete the work. They were careful and cleaned up the work area when complete.”
Common questions
Quick answers, before you call.
Still have a question? Reach our dispatch line 24/7 — a real person picks up.
In addition to repairs, what other AC services do you offer?
We provide initial AC installation and complete replacement of systems that have become old or outdated.
When should I replace my AC instead of repairing it again?
We generally recommend complete AC replacement for systems that are more than 20 years old and have ongoing serious issues that would require costly repairs.
Are there any AC tasks I can handle on my own?
Unless you happen to be a trained and licensed AC technician, it's best to leave anything more complicated than changing your AC filter to our personnel.
Do you handle emergency calls?
Yes — we offer after-hours service for cooling failures, especially during peak summer heat.
How quickly can you arrive?
Most service calls are dispatched same-day. For true after-hours emergencies our goal is within an hour, depending on your location.
Related services
Same crew. Other trades.
Ready when you are
Let’s tackle your ac repair
today.
Two regional dispatch lines, free quote, no pressure. Master Plumbers on every truck.



