341 Commercial HVAC Contractors in Los Angeles, CA

Commercial HVAC in Los Angeles serves a dense, diverse building stock — older office inventory, mixed-use developments, and retail spaces that run year-round cooling loads driven more by occupancy and electronics than extreme outdoor temperatures. With 17 contractors averaging 4.9 stars across more than 7,800 reviews, the commercial hvac Los Angeles segment is smaller than residential but carries high review quality, and 8 providers offer 24/7 service for facility managers who can't wait.

Annual maintenance per rooftop unit runs $475–$1,900. Small business maintenance contracts under 5,000 sq ft typically land at $950–$4,750 per year, while mid-size facilities (5K–25K sq ft) run $3,325–$9,500. California's C-20 license is required for all commercial HVAC work — and for larger projects, contractors often carry both the C-20 and general mechanical endorsements.

Brody Pennell earns 4,744 reviews at 4.9 stars, with Juan Molina recognized for thorough system assessments on commercial calls. Relaxed Heating and Air brings a 4.6-star profile from 1,142 reviews — technician Christopher is noted for professional problem resolution even on complex warranty jobs. Service Genius's Danny earns 6-star mentions for transparency before work starts, a quality that matters especially for commercial clients managing budgets and timelines.