
Refer a Friend
Refer a Friend Today
As a local company, it is our mission to provide high-quality plumbing, heating, and air conditioning services to our neighbors throughout Lake Forest and surrounding areas. What better way to share the five-star service you received from John Stevenson Plumbing, Heating & Air Conditioning, Inc. than by sharing it with your friends and family? If you know of someone who would love to hear from us, refer them below and we’ll send you a $5 Starbucks e-gift card as a thank you! We are honored to be of service to our community and are thankful for you sharing your experience with those closest to you.
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Serving a City Near You!
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Charlie's Care Club
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Have Questions? We Have Answers!

What Makes Us a Community Name?
Benefits of Working with Our Expert Team

Hear From Our Customers
Expertise isn't the only thing we have gained over the past three decades - check out our loyal customer base!
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“I called them first, on a recommendation from our neighbor, who had new units installed a couple of years ago and highly recommended them...and wow was he right!”- Travis J.
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“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.
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“I went through my home warranty and they couldn't find anyone so I was left to find someone on my own; thankfully I found them!”- Michael A.
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“Elias was amazing and we couldn’t be more thankful for him and other staff at John Stevenson Plumbing. We have a short term rental and had a problem with clogged drains during our guest stay.”- Miles M.
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“We had complete comfort out to help with AC repair - they were super responsive and had someone out the same day I called.”- Rebecca W.
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“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.
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“John and Gilbert worked very hard both with the installation of a new water heater and also to fix a very bad sewer pipe leak. They both had such a great attitude and their work was meticulous. Most of all they were both super warm and respectful and made ”- Teresa I.
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“We were very impressed with Michael, who came out to try to find a possible slab leak. He was very thorough, and spent all the time he needed trying to investigate.”- Elizabeth M.