24/7 Emergency HVAC Service Call (408) 841-4588
AURIAN HVACHEATING · COOLING · AIR
📞 (408) 841-4588
Home › Commercial HVAC › Repair

Commercial HVAC Repair for Bay Area, Sacramento & Central Valley Businesses

Downtime costs money. Our certified technicians repair commercial HVAC fast from rooftop units and commercial AC to furnaces, boilers, and exhaust fans with 4-hour priority response and same-day service across the Bay Area, Sacramento, and the Central Valley, so your business never sits without heat or cooling for long.

Call (408) 841-4588
⚡ Pro Tip
Technician servicing a commercial rooftop unit
Minutes matter when a facility is down. Be ready before you call.
Expert Advice

Cut Downtime With a 4-Hour Response

Every hour of downtime costs your business money. With a maintenance agreement you get 4-hour priority response and priority parts, so your equipment is back online fast. Even without a plan, our nearest technician dispatches the same day.

Before you call

  • Note the unit's make, model, and any error codes.
  • Describe the symptom, timing, and affected zones.
  • Clear roof or mechanical-room access for the technician.
✓ 4-hour priority response available with a maintenance plan
Request Priority Repair See Maintenance Plans →
Repair Services

Commercial HVAC Repair Services

Commercial AC repair technician

Commercial AC Repair

We fix split systems, packaged units, VRF, and chillers repairing compressors, condensers, capacitors, refrigerant leaks, and control boards to restore cooling fast and keep your operation running.

Request This Service →
Rooftop unit repair

Rooftop Unit Repair

Compressors, fan motors, belts, contactors, and controls on Carrier, Trane, Lennox, York, and Daikin RTUs repaired floor by floor so your building cools evenly again.

Request This Service →
Commercial furnace repair

Commercial Furnace Repair

Ignitors, gas valves, heat exchangers, blower motors, and control boards for offices, warehouses, and retail heat restored safely and quickly.

Request This Service →
Commercial boiler repair

Commercial Boiler Repair

Steam and hot-water boilers, circulator pumps, zone valves, and controls for schools, hospitals, hotels, and industrial plants.

Request This Service →
Exhaust fan repair

Exhaust Fan Repair

Belts, motors, bearings, and controls to keep kitchen, restroom, and industrial ventilation code-compliant and running quietly.

Request This Service →
Commercial Repair

Fast Commercial HVAC Repair Across the Bay Area

When a rooftop unit fails or a chiller goes down, your tenants, customers, and staff feel it within minutes. Our commercial HVAC technicians carry the parts to fix split systems, packaged units, VRF, chillers, furnaces, boilers, and exhaust fans, restoring comfort and safety as quickly as possible.

We serve offices, retail, restaurants, warehouses, schools, medical facilities, hotels, and industrial plants across San Jose, Sacramento, Modesto, and the Central Valley. Every repair is backed by a workmanship warranty, and our 24/7 emergency dispatch means your business never has to sit without heat or cooling overnight or on weekends.

Signs of commercial HVAC trouble

  • Uneven temperatures or hot and cold spots by zone
  • Unusual odors, rattling, or high-pitched noises
  • Rising utility costs with no change in occupancy
  • Short cycling, frozen coils, or tripped breakers

Brands we service

Carrier Trane Lennox York Daikin AAON Mitsubishi Johnson Controls

Planning a replacement or want to prevent future downtime? See commercial installation or maintenance plans. For an emergency, call 408-841-4588 24/7.

FAQ

Commercial Repair Questions

Do you work with property management companies?

Yes. We partner with property managers, building owners, and facility teams across the Bay Area, Sacramento, and Central Valley, handling single buildings and full portfolios with priority response.

How fast can you respond to a commercial emergency?

With a maintenance agreement we offer 4-hour priority response. For true emergencies we dispatch the nearest available technician immediately call 408-841-4588 for same-day service.

Do you offer after-hours service for businesses?

Absolutely. We provide 24/7 emergency service and after-hours dispatch so your business never sits without heat or cooling overnight or on weekends.

Can you handle multi-location commercial accounts?

Yes. Our team manages multi-location and multi-state commercial accounts with centralized scheduling, consolidated invoicing, and a dedicated account manager on Premium plans.

What brands of rooftop units do you service?

Carrier, Trane, Lennox, York, Daikin, AAON, Rheem, Mitsubishi Electric, LG, Johnson Controls, and more including legacy and specialty rooftop equipment.

Planning an install or a maintenance plan? See commercial installation or maintenance plans.

Commercial System Down? We Respond Fast

Call 408-841-4588 for priority response, or explore our installation and maintenance services.

Call 408-841-4588
Aurian HVAC Assistant
Online now · Replies instantly
Hi. I am the Aurian HVAC Assistant. What problem are you experiencing?
Free Estimate

Request Service

For emergencies, call (408) 841-4588 directly.

We got your request! Our team will get back to you shortly.