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Your Comfort is Our #1 Priority! Emergency Service Available 24/7

Heating, Air Conditioning & Plumbing Services in Orange County

Services in Lake Forest, Mission Viejo & throughout Orange County

At John Stevenson Plumbing, Heating & Air Conditioning, Inc., we have become the trusted name in HVAC and plumbing solutions for residential and commercial properties throughout Orange County. We are a local company that has been serving our neighbors for over a decade, helping hundreds of property owners stay comfortable and safe indoors. All of our technicians are highly trained and NATE-certified—and we only offer the most advanced and energy-efficient heating, cooling, and plumbing systems on the market.

We understand how crucial your water heater and HVAC systems are to your overall comfort, which is why we perform reliable service fast, offering same-day appointments and after-hours service. Whether you need fast AC repair, seamless furnace replacement, or tankless water heater service, you can count on our experts to get the job done right every time.

Orange County Plumbing, Heating & Air Experts

At John Stevenson Plumbing, Heating & Air Conditioning, Inc., we prioritize honesty, affordability, and unmatched service standards. We are a Carrier Factory Authorized Dealer that specializes in servicing a wide range of heating, cooling, and air quality systems—with repair, replacement, installation, and maintenance solutions that are second to none.

We offer the following services throughout Orange County:

To learn more about our services, or to schedule an appointment today, contact our friendly staff by calling (949) 426-7377 or reach out online

Ready to Get Started?

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5 Star Guarantee Service

  • Diagnostic: We go over your problem at hand (why you called).
  • System & Safety Check: We complete a thorough evaluation of your entire system.
  • Notify: At any time, if we notice an area of concern, we will let you know.
  • Options: We offer you a complete list of details and options.
  • Review: We review and select the best option for your time, budget, and investment.
  • Approval: With your approval, we get started today to solve the problem, and have you on your way.
  • 24-Hour Check-In: We’ll call you within 24 hours to make sure you are satisfied.

Home Comfort Solutions, Done Right

“Great service! On time, friendly, efficient and knowledgeable.” – Past Customer

No matter the service you need, you can count on our friendly and professional technicians to offer honest advice, competitive pricing, and flawless service. We believe in keeping our customers informed throughout the entire process, so you can make the most informed decision about your home moving forward.

It is easy to see why customers continue to choose John Stevenson Plumbing, Heating & Air Conditioning, Inc. time and time again. As a second-generation company, we take a great deal of pride in the integrity of our services and proudly provide free estimates, fast and reliable service, and unmatched warranties to offer you the ultimate peace of mind.

Don’t Miss Out on These Savings!

  • Spend $100 Get $100 Plumbing | HVAC | Drain Services

    For a limited time, we will give you $100 towards your next service when you spend $100 or more!

  • $39 Whole Home Safety Evaluation

    Whole Home Safety Evaluation and Water Heater Sediment Flush or Tankless Descale

  • $50 OFF Any Plumbing Service

    Special Discount off any plumbing service, repair, or new installation.

  • 10% OFF All Military, First Responders & Seniors

    Call John Stevenson Plumbing, Heating & Air for details. Offer valid on service and repair. Receive 5% off all installation services.

  • $79 Drain Cleaning

    We also offer complimentary camera service with every main sewer snaking!

  • $49 Evaluation fee for all 1st time customers.

    Call John Stevenson Plumbing, Heating & Air for details.

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

A Homeowner's Best Friend

Expertise isn't the only thing we have gained over the past three decades - check out our loyal customer base!
    “Such a great experience!”
    “I can't say enough great things about Patrick and the whole John Stevenson company.”
    - Holly G.
    “Great Experience!”
    “Great job, the technicians explained everything so that I could make the best decision for my home.”
    - Victoria J.
    “Highly Recommend!”
    “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.
    “Very Knowledgeable!”
    “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.
    “Definitely Recommend!”
    “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.
    “Excellent Work!”
    “I have used John Stevenson numerous times over the past few years for both plumbing and heating issues.”
    - Phyllis S.
    “Very Pleased!”
    “Scheduling was easy. Received a call 30 minutes before technicians arrived. John, the lead man explained the work to be done. He and his apprentice Gilbert were courteous and friendly.”
    - Phil H.
    “Extremely Professional!”
    “We really enjoyed the experience and the professionalism from John Stevenson Plumbing. Thomas came out and did the initial inspection and troubleshooting of our furnace.”
    - Nancy C.
Serving a City Near You!

Proving trusted plumbing, drain cleaning, and cooling services across Orange County & surrounding areas.

Charlie's Care Club

Charlie's Care Club is an exclusive benefit package for our customers which maintenance for heating, cooling, and plumbing systems. Members receive priority scheduling and discounts, as well as in-home evaluations and system tune-ups.

  • SD Best of 2021
  • BBB Torch Awards Finalist
  • Kohler
  • Maytag
  • Navien
  • Bradford White Water Heaters