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Ontario, CA

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+1 (213) 444-4223
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Reliable AC Repair Services in Ontario by #1 AC Guys

Welcome to #1 AC Guys, your trusted partner for all your air conditioning repair needs in Ontario, L...

  • 80 years experience in engineering
  • Available 24/7 for Emergencies
  • Quick service Same-Day inspection and estimate
★★★★★

95% of clients recommend us

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Special Deals

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AC repair 10
years warranty

Up to 10 years warranty on repaired parts

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Installation &
Replacement service

Up to 10 years air conditioner warranty Lifetime work guarantee

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AC repair

Comprehensive AC Repair Services in Ontario


At #1 AC Guys, we understand the importance of a well-functioning air conditioning system. Our team is dedicated to providing fast, efficient, and reliable AC repair services in Ontario and surrounding areas. Specializing in York and other premium brands, we offer customized solutions that cater to both residential and commercial needs.

Why Choose #1 AC Guys for Your AC Repair Needs?


Our commitment to quality and customer satisfaction sets us apart. As a family-run business with over four generations of engineering experience, we pride ourselves on delivering exceptional service. Our engineers are meticulously trained at the factories of leading manufacturers, ensuring they have the skills and knowledge to tackle any AC repair challenge.

Service Areas

Our services extend beyond Ontario, covering Los Angeles County and neighboring regions such as Orange County, Ventura County, and Western Riverside County. We are well-versed in handling large-scale and complex projects, ensuring that your air conditioning system operates at peak efficiency.

Our Mission

At #1 AC Guys, we believe that healthy air is key to a healthy life. That's why we strive to provide top-notch AC repair services that enhance indoor air quality and comfort. Whether you're dealing with a minor issue or a major system overhaul, our team is here to help.

Contact us today to schedule your AC repair service and experience the difference with #1 AC Guys. Trust us to keep your home or business cool, comfortable, and healthy.
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FAQ

What problems can arise during heating?

We offer a wide range of HVAC services catered to both residential and commercial clients. Even the all-powerful Pointing has no control about the blind texts.

Why Is My Air Conditioner Not Cooling Enough?
Loud or noisy air conditioner: causes and fixes
How Often Should I Service My AC? Maintenance Schedule and Safety Tips
When Should I Replace My Old Air Conditioner? Signs, Lifespan, and Costs
Signs Your Air Conditioner Needs Repair
Why Is My AC Leaking Water?
What’s included in professional AC installation
How to Tell If You Have a Refrigerant Leak
How Extreme Heat Affects AC Performance
AC Struggling During Extreme Heat: What to Check

OUR SERVICES

HVAC Services in Southern California

We offer a wide range of HVAC services catered to both residential and commercial clients.

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+1000

Completed project

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+5000

Happy clients

PHOTOS

Our project photos

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Commercial Rooftop AC, outdoor ducting
Commercial VRF LG
Commercial ventilation outdoor ducting
AC condenser repair
Commercial VRF LG on roof
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Air Chiller Carrier 60 Ton
AC condenser
Air Chiller Carrier 60 Ton Fan
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We offer a wide range of HVAC services catered to both residential and commercial clients.

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