20% Todays special Deal in your city

Book online now 24
address

Ontario, CA

We're showing you current address. But you can change your address.

20% Todays special Deal in your city

phone

+1 (213) 444-4223
Book online now 24

Reliable AC Repair Services in Ontario by #1 AC Guys

Welcome to #1 AC Guys, your trusted family-owned HVAC company serving Ontario and surrounding areas....

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

95% of clients recommend us

google faccebook yelp
AC repair
brand

Special Deals

clarity-1

AC repair 10
years warranty

Up to 10 years warranty on repaired parts

Book now
clarity-2

Installation &
Replacement service

Up to 10 years air conditioner warranty Lifetime work guarantee

Book now
AC repair

Expert AC Repair Services in Ontario

At #1 AC Guys, we pride ourselves on offering top-tier AC repair services in Ontario. Our family-run business has built a reputation for excellence through generations of engineering expertise. Whether your project is commercial or residential, we have the skills to ensure your air conditioning system operates at peak performance. Trained by industry leaders like Lennox, our engineers are equipped to handle any challenge.

Comprehensive AC Repair and Maintenance Solutions

Our team at #1 AC Guys is dedicated to providing comprehensive AC repair and maintenance solutions tailored to the unique needs of our Ontario clients. We understand that a functioning air conditioning system is crucial for comfort, especially during the hot seasons. Our engineers are adept at diagnosing issues quickly and implementing effective solutions to restore your system's functionality.

Why Choose #1 AC Guys?

As a family-owned business, we prioritize customer satisfaction and a personal touch in all our services. Our extensive experience, coupled with specialized training from top manufacturers like Lennox, Fujitsu, Mitsubishi Electric, Midea, Gree, and Haier, positions us as leaders in the HVAC industry. We handle large and complex projects with confidence, ensuring minimal disruption to your daily life.

Serving Ontario and Beyond

#1 AC Guys proudly serves Ontario and the broader Los Angeles County, including nearby areas such as Orange County, Ventura County, and Western Riverside County. Our commitment to delivering healthy air and a healthier living environment drives us to continually improve and expand our services.

When you choose #1 AC Guys for your AC repair needs, you're choosing a legacy of quality, reliability, and expert care. Contact us today to schedule your appointment and experience the difference a dedicated team can make.

close

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.

▶
▶
▶
clarity-small

+1000

Completed project

clients

+5000

Happy clients

PHOTOS

Our project photos

Daikin package unit crane
New construction
Technician Arthur
Technician Sam Los Angeles
Bosch condenser 5 Ton
AHR expo Bosch
AC installation
Commercial Rooftop AC
Commercial Rooftop AC, outdoor ducting
Commercial VRF LG
Commercial ventilation outdoor ducting
AC condenser repair
Commercial VRF LG on roof
Technician Sam
Air Chiller Carrier 60 Ton
AC condenser
Air Chiller Carrier 60 Ton Fan
AHR expo Samsung

STAY INFORMED

Our Latest News

OUR WORKS

Our latest project locations

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

Helen