John Stevenson Plumbing, Heating & Air Conditioning

John Stevenson Plumbing, Heating & Air Conditioning has served Lake Forest and Mission Viejo residents for over three decades as a second-generation family business. With 721 reviews averaging a 4.9-star rating, the company holds an A+ rating with the Better Business Bureau and employs NATE-certified technicians who handle residential and light commercial projects across Orange County. The company operates Monday through Saturday from 7 AM to 7:30 PM, with 24/7 emergency availability for after-hours crises.

This contractor distinguishes itself as a Carrier Factory Authorized Dealer, offering factory-direct pricing and advanced systems other independent contractors cannot access. Their 5-Star Guarantee outlines a transparent diagnostic-to-approval process: the technicianidentifies the issue, performs a full system and safety evaluation, presents options with pricing, and proceeds only with written approval. They back all workmanship with warranties and provide free estimates for new equipment installations.

Customer reviews highlight technicians Bryce, Komin, and Jordan by name. Tim Terrell described Bryce and Komin arriving on schedule and navigating unexpected repairs while protecting his home with clean-work practices. Candice Hunter's review named Tyler Diaz, Ed, Patrick W, Isaias V, Isack C, and Buddy O for completing a whole-house repipe in four days after other plumbers refused the job. Crissi Andrade praised Jordan for explaining heating and air options without talking down to her during a system replacement consult.