Commercial HVAC installation

Commercial HVAC Installation & Repair in Los Angeles

EPA-certified commercial HVAC contractor with 40+ years serving Greater Los Angeles. We install, repair, and maintain rooftop units, VRF systems, and split systems for restaurants, hotels, office buildings, retail centers, and medical facilities — with same-day emergency response across LA, Malibu, Beverly Hills, Pasadena, Santa Monica, and the San Fernando Valley.

⚡ HVAC down during business hours? Call now: (800) 685-5590 — Same-day commercial HVAC service across Greater Los Angeles.

A failing HVAC system in a Los Angeles restaurant means the health department walks in and your kitchen fails inspection. In a Beverly Hills hotel, it means guests posting one-star reviews before checkout. In a Pasadena medical office, it means rescheduling patients. The cost of a broken commercial HVAC system is never just the repair bill — it's lost revenue, damaged reputation, and business disruption that you can't afford.

Arctic Cool Refrigeration has handled commercial HVAC for Los Angeles businesses for over 40 years. Our EPA-certified technicians work on every major system type — rooftop package units, VRF multi-zone systems, split systems, and chilled water plants — across every commercial building type in the region. We carry parts for Carrier, Trane, Lennox, Daikin, Mitsubishi Electric, York, Goodman, and Rheem, which means fewer return visits and faster turnaround on every job.

Commercial HVAC Installation in Los Angeles

Whether you are opening a new restaurant in Los Feliz, expanding a retail chain in Santa Monica, or retrofitting an aging office building in the San Fernando Valley, getting the HVAC installation right from day one determines how much you pay to operate that building for the next 15 to 20 years. Oversized equipment short-cycles and wears out faster. Undersized equipment runs continuously and never catches up on a 95-degree LA summer afternoon. Either mistake costs you money every single month.

Our commercial HVAC installation process starts with a proper load calculation for your specific building — square footage, ceiling height, occupancy, kitchen heat loads, server room requirements, and solar exposure all factor in. We size the equipment correctly, pull the required permits, coordinate with your general contractor or property manager, and handle all California Title 24 energy compliance documentation so you are not left scrambling at final inspection.

Commercial HVAC Systems We Install

Commercial HVAC Repair in Los Angeles

When a commercial HVAC system breaks down in Los Angeles — where summer temperatures regularly push into the 90s and 100s inland — you need a contractor who picks up the phone and shows up the same day. Not a national call center that schedules you a week out. Arctic Cool has been the same-day emergency repair option for LA businesses for over 40 years, and our technicians carry the parts and diagnostic equipment to resolve most commercial HVAC failures on the first visit.

We repair every major commercial system type and every brand currently running in Los Angeles commercial buildings. Our technicians are EPA-certified for refrigerant handling and trained on the full range of modern commercial HVAC controls — from legacy pneumatic thermostats in older Westside buildings to modern BACnet and Modbus building automation systems in newer construction.

Common Commercial HVAC Failures We Fix

No Cooling During Peak Hours

Compressor failure, refrigerant leak, or tripped breaker. Restaurants and retail stores in LA cannot wait — we prioritize same-day response for total system failures.

Rooftop Unit Not Keeping Up

LA's summer heat is brutal on RTUs. Dirty condenser coils cut capacity by 30% or more. We clean, recharge, and restore full tonnage output on-site.

Uneven Temperatures Zone to Zone

Hotel rooms, offices, and restaurants all suffer from zone imbalance. We diagnose duct leaks, failing VAV boxes, zone controllers, and VRF branch controllers.

Energy Bills Spiking Unexpectedly

Low refrigerant, fouled coils, failing economizers, or a mistuned building control sequence. We identify the efficiency loss and fix the root cause — not just the symptom.

Banging, Grinding, or Rattling Noises

Loose fan blades, worn bearings, failing compressors, or refrigerant flooding. Ignoring mechanical noise in commercial HVAC always leads to a larger, more expensive failure.

Musty Odors or Air Quality Complaints

Mold in drain pans, clogged condensate lines, or contaminated ductwork. Common in LA coastal properties and older buildings in Beverly Hills and Santa Monica.

VRF or Mini-Split Error Codes

Mitsubishi Electric, Daikin, and LG VRF systems display fault codes that require brand-trained technicians to diagnose and clear. We carry system-specific diagnostic tools for all major VRF brands.

Commercial Kitchen Hood System Conflicts

Restaurants in LA commonly lose cooling when kitchen makeup air systems are misbalanced. We calibrate hood exhaust, makeup air, and HVAC together — not separately.

Brands We Repair

Commercial HVAC Maintenance in Los Angeles

Most commercial HVAC failures in Los Angeles are preventable. Dirty condenser coils, low refrigerant charge, clogged drain lines, worn belts, and failing contactors all show up weeks before they cause a system shutdown — if someone is actually looking. The businesses that call us for emergency repairs in July are usually the same ones that skipped their spring maintenance visit.

Arctic Cool's commercial HVAC maintenance programs are structured around your building type, system age, and usage pattern. A hotel in Malibu with oceanfront salt air exposure needs different maintenance intervals than a Pasadena medical office with standard inland conditions. A restaurant with a commercial kitchen running 12 hours a day needs more frequent filter and coil service than a Beverly Hills retail boutique. We build the maintenance schedule around your actual equipment — not a generic template.

What Our Commercial Maintenance Program Covers

Businesses on a planned commercial HVAC maintenance program with Arctic Cool consistently see 15 to 25 percent lower energy costs compared to reactive-only service. More importantly, they avoid the lost revenue, customer complaints, and health department issues that come with an unexpected system failure during peak business hours.

Service Areas — Greater Los Angeles Commercial HVAC

We provide commercial HVAC installation, repair, and maintenance throughout Greater Los Angeles, including Los Angeles, Malibu, Beverly Hills, Santa Monica, Pasadena, Glendale, Burbank, the San Fernando Valley (including Calabasas, Woodland Hills, Encino, Sherman Oaks, and Van Nuys), West Hollywood, Culver City, El Segundo, Torrance, Long Beach, and surrounding communities. Based in Calabasas, we reach most of the Los Angeles metro area within 60 to 90 minutes for emergency service calls.

Get a Free Commercial HVAC Estimate

New installation, same-day emergency repair, or a maintenance program — 40+ years serving LA businesses. Call now or request a callback.

(800) 685-5590