10 Commercial HVAC Contractors in Sun Valley, CA

Sun Valley sits within the Los Angeles metro, where Mediterranean summers push rooftop units hard and Santa Ana wind events can spike temperatures past 100 F inland. This climate variability keeps Commercial HVAC in Sun Valley services in steady demand across the neighborhood's office parks and retail centers. Eleven contractors serve the area, earning an average rating of 4.4 stars from 133 accumulated reviews.

Annual maintenance contracts for rooftop units range from $475 to $1,900 per year, while small businesses under 5,000 square feet typically budget $950 to $4,750 annually. Mid-size facilities between 5,000 and 25,000 square feet see annual contract costs between $3,325 and $9,500. California law requires these contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the California Contractors State License Board, ensuring baseline competency for commercial system work.

Customer feedback points to distinct strengths among top performers. Green Air Conditioning Service maintains a 4.8-star average across 44 reviews, with clients consistently praising emergency and same-day service availability. Johnstone Supply earns 4.5 stars with reviewers highlighting knowledgeable staff and extensive inventory enabling same-day equipment sourcing, though some cite phone responsiveness delays. All Time AC And Heating Management Services holds a 4.6 rating with customers noting diagnostic skill and transparent pricing, balanced against isolated scheduling complaints.