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Looking For Local, Reliable & Experienced HVAC Service? Meet the Pros at A/C King Inc.

Proudly serving all of San Bernardino County and surrounding areas!

Fontana HVAC Technicians

Bringing Quality Comfort to Rialto and Surrounding Areas

Here in Fontana, we see a lot of sunny days and the occasional cold front. This diverse climate means that locals don’t just need a heater or an air conditioner – you need an HVAC system that does it all.

A/C King Inc. is here to bring you complete comfort with effective and energy-efficient HVAC services. Whether you need help staying cool in the summer or warm in the winter, we offer professional installations, repairs, replacements, and maintenance services informed by years of training and experience. As a family-owned and operated business, we pride ourselves on our ability to offer highly tailored service experiences that exceed customer expectations. We've also partnered with companies like Mitsubishi Electric, Bryant, and Sigler to back our exceptional services with outstanding products and equipment. With an array of services for all major brands, financing plans, extended warranties, and discounts for military members, seniors, and veterans, we pull out all the stops to make high-class comfort achievable for every customer.

Ready to see what our HVAC technicians can do for you? Call (909) 324-3872 today to request your free estimate from our licensed and insured team!

Designed for life, inside and out.

Mitsubishi Electric is a leading provider of HVAC systems in the United States. Learn how we can help you.

Why Choose A/C King Inc.?

We arrive quickly and put customers first!
  • Backed by a Warranty
    We back all of our services with a warranty for your peace of mind.
  • Contact Us for a Free Estimate
    Talk to our HVAC team today during a free estimate.
  • Emergency Services Available
    Get the immediate help you need, whenever you need it.
  • Immediate, Same-Day Service
    Some things just can't wait. We can come see you today!
  • Insured for Your Peace of Mind
    Entrust your HVAC needs to licensed, insured professionals.
  • We Guarantee 100% Satisfaction
    You can be confident you'll be happy when our team drives away.
  • Financing Options Available
    We make HVAC services affordable with financing options.

Solving Your Home Comfort Problems with Mitsubishi Electric Products

Finding the right kind of HVAC equipment for your home is crucial to your year-round comfort. At A/C King Inc., we're proud to partner with Mitsubishi Electric to offer you some of the best products on the market. 

Mitsubishi Electric's innovative solutions are designed to solve a wide array of home comfort issues, effectively addressing problems like uneven heating and cooling, excessive energy consumption, and poor air quality. Whether you need a ductless mini-split system for a sunroom or garage or a fully integrated solution for your entire home, Mitsubishi Electric products can offer you reliability, efficiency, and consistent comfort. 

As a Mitsubishi Electric Diamond Contractor, A/C King Inc. has been trained and certified to work with Mitsubishi Electric’s cutting-edge products. Our Diamond Contractor status means that our technicians have the knowledge and skills to accurately recommend and install the right Mitsubishi Electric solutions for your needs and budget. This status also allows us to offer extended product warranties and ongoing service that won’t void those warranties. 

Explore the wide range of home comfort solutions offered by the experts at Mitsubishi Electric by calling A/C King Inc. in Fontana at (909) 324-3872!

Brands & Partnerships

We Are Mitsubishi Electric Diamond Dealer Through Ferguson and a Bryant Partner Through Sigler
  • Ferguson
  • Mitsubishi Electric Diamond Dealer
  • Bryant Factory Authorized Dealer
  • Sigler
Ready to Get Started? Tell Us More About Your HVAC Issue

Our Only Strategy Is Great Service

A technician from A/C King Inc. won’t try to upsell you on a service you don’t need or sign you up for a long-term maintenance plan you don’t want to commit to. Our strategy for creating lifelong customers is simple – we do what we’re asked and do it well.

We know that hiring an HVAC contractor and getting the work done can feel like a daunting task, and we strive to make it a less stressful experience by trimming away the sales tactics and red tape. Whether you're calling us for a routine check-up, emergency repairs, indoor air quality improvements, or a complete system upgrade, our team is ready to provide expert advice and straightforward solutions. Our only goal is to answer your questions, solve your problems, and leave you more comfortable than you were before we came to your home.

This approach to customer service has already earned us a positive reputation in our community. has named us one of Fontana’s best AC repair companies, and countless satisfied customers have let us know how much they love our services. If you’re looking for the easiest way to get your home HVAC system in order, A/C King Inc. is ready to give you the high level of workmanship and care you deserve.

Request same-day HVAC services in Fontana, Rialto, or any of the surrounding communities by calling (909) 324-3872 or contacting A/C King Inc. online!

  • Logo 10% OFF Military & Veteran Discount Restrictions may apply.
  • Logo 10% OFF Senior Discount Restrictions may apply.
No monthly interest if paid in full within 18 months*

*Interest will be charged to your account from the purchase date if the promotional balance is not paid in full within 18 months. Fixed Monthly Payments required equal to 2.5% of the highest balance applicable to this promo purchase until paid in full. $29 activation fee will apply.

Five-Star Reviews From Our Valued Customers

Your satisfaction is our priority. Always!
    "Freddy and his crew were immediately responsive, showed up when they said they would, and charged a fair price. They were kind, helpful and knowledgeable. I would recommend them any day of the week."
    - Beau S.
    "A/C King Inc. installed a new furnace, air conditioner, and updated my ductwork and did an outstanding job. From the initial meeting to completing the work, the team was very professional and kept me updated. I strongly recommend them."
    - Joseph M.
    "I had two problems with my furnace. I called A/C King Inc. and they showed up extremely fast. They did a heck of a job and fixed both problems. The costs are very reasonable."
    - Brad C.
    "Fontana-based and family-owned. On time and accommodating to questions. Fair priced."
    - Mark P.
    "Got my HVAC repaired by A/C King Inc.. Professional and clean service. Greg helped me out and explained what he was fixing. Thanks again!"
    - Louis V.
    "A/C King Inc. is trustworthy and they respond quickly to your calls. The rates are reasonable and competitive. I highly recommend Freddy and his team for all your heating and AC needs."
    - Joe R.
    "My husband George and I were very happy with A/C King Inc.'s work. Freddy was quick to find our problem and corrected it quickly!"
    - Annette C.
    "Best AC company. Will never trust anyone else. I can’t say enough good things about this company."
    - Michelle P.
HVAC Excellence Is Just a Few Clicks Away!

Contact A/C King Inc. Today

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