We are thrilled to announce a significant milestone in our journey. Complete Comfort Plumbing, Heating & Air Evolves into John Stevenson Plumbing, Heating & Air Conditioning, Inc. We are excited about the future as we continue to strive for excellence in all our endeavors. Thank you for your trust and continued support! 

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Heating & Air Conditioning Fountain Valley CA

Fountain Valley Heating & Air Conditioning Services

Residential & Commercial HVAC Experts

John Stevenson Plumbing, Heating & Air Conditioning, Inc. is proud to provide the community of Fountain Valley with premier heating, air conditioning, duct cleaning, and indoor air quality services. Serving both homes and businesses, our HVAC company is known throughout Orange County for our quality workmanship, courteous service team, and fair prices.

Our HVAC services can make sure that your home stays comfortable all-year round. We can maintain, service, repair and install all kinds of residential and commercial cooling and heating systems. Our technicians are factory-trained, so you can rely on them to properly diagnose and troubleshoot any kind of HVAC problem. We also offer our customers preventative maintenance programs that can help save them money and improve their HVAC system’s energy efficiency.


Call (949) 426-7377 today to schedule an appointment for HVAC services in Irvine or beyond. We even offer quality plumbing solutions!


Looking for a Carrier Dealer in Fountain Valley?

John Stevenson Plumbing, Heating & Air Conditioning, Inc. is a Carrier® Factory Authorized Dealer, which means we can offer our customers better products, deals, and promotions. Carrier is among the foremost HVAC manufacturers in the world. Carrier's HVAC systems and accessories are reliable, durable, long-lasting, and energy-efficient. Carrier is also committed to building a more sustainable future. Carrier products produce fewer carbon dioxide emissions than other HVAC systems.

Air Conditioning Repair, Replacement & Maintenance

Don't let a broken AC ruin your day when John Stevensonis only a phone call away. If your AC won't turn on, won't stay on, is blowing warm air, or is costing you a small fortune to run, we have the solution you need. Wherever possible, we'll replace worn out parts and make repairs to restore cool air to your home. When repairs are not possible or not a cost effective option, we'll provide you with the information you need to consider a replacement. Financing is available!

Fountain Valley Heating Services

Stay warm with heating services from our technicians. Whether your heating system has completely has completely broken down or is beginning to show signs that a breakdown is imminent, don't delay in giving us a call for the prompt attention you need.

John Stevenson Plumbing, Heating & Air Conditioning, Inc. is the leading heating repair company in Fountain Valley because of our decades of experience, our factory-trained technicians, and our commitment to great customer service. We are a second-generation company and we’ve built a reputation based on our quality and integrity.


If your heater or AC has stopped working, or if it's time to schedule your biannual heater or AC maintenance appointment, give us a call today at (949) 426-7377!


What Makes Us a Community Name?

Benefits of Working with Our Expert Team
  • Drug Tested & Background Checked Technicians
  • Upfront Pricing — You’ll Never Pay More Than You’re Quoted
  • Expert Advice From Professional, Licensed and Certified Technicians
  • We Stock Enough Parts in Our Trucks to Do 93% Of Repairs on the Spot
  • Flexible Scheduling - Ask About Same-Day or Emergency Service
  • 5 Star Service Guarantee Includes Service Tailored to Your Needs & Budget
Always Close By

You can rely on us for fast, effective services. As part of our 5 Star Service Guarantee, we promise to value your time, provide knowledgeable technicians, and dedicate ourselves to your full happiness with all of our services.

Call (760) 276-6690 Now!
Areas We Serve
  • Encinitas
  • Rancho Santa Fe
  • Escondido
  • San Marcos
  • Cardiff by the Sea
  • Ramona
  • Valley Center
  • Bonsall
  • Fallbrook
  • Leucadia
  • Oceanside
  • Carlsbad

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Hear From Our Customers

Expertise isn’t the only thing we have gained over the past three decades - check our our loyal customer base!
  • “I can't say enough great things about Patrick and the whole John Stevenson company.”

    - Holly G.
  • “Great job, the technicians explained everything so that I could make the best decision for my home.”

    - Victoria J.
  • “I have been using John Stevenson’s services for about 7 years now and am really happy with all the services provided so far: new heater installation and yearly checkup/tune-up; new tankless water heater installation and yearly flush.”

    - Flavia P.
  • “The thing about John Stevenson Plumbing is that it is simply the best company of its type in the region. The technicians are smart, personable, always courteous and helpful, knowledgeable and fun to get to know. They do their jobs on time and on budget and”

    - John H.
  • “Luis was great! Fixed a leak in a gas line to our Guest House. Work was done quickly and professionally with excellent communication to me about the process.”

    - Pam L.
  • “I have used John Stevenson numerous times over the past few years for both plumbing and heating issues.”

    - Phyllis S.