EMERGENCY SERVICE AVAILABLE 24/7
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.
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:
- AC repair
- AC installation and replacement
- Heating repair
- Heating installation and replacement
- Duct cleaning
- Water heater services
- And more!
Call (760) 276-6690 or fill out the form below.
“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.
- Drain Cleaning
- Piping & Repiping
- Bathroom Fixtures
- Kitchen Fixtures
- Epoxy Pipe Lining
- Tankless Water Heaters
- Water Heater Services
- AC Repair
- Wifi Thermostats & Home Automation
- Sheet Metal Fabrication
- Indoor Air Quality
- Duct Cleaning
- AC Maintenance
- AC Installation
- Plumbing Services
- Air Conditioning Repair
- Heating Installation
- Heating Maintenance
- Heating Repair
- Commercial HVAC Services
- View All Services
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
“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.