Serving all of San Diego County · Mon–Fri 7:00am–5:00pm · 24/7 emergency line(619) 555-0142
RAM technician servicing a rooftop HVAC unit on a San Diego commercial building

Rooftop units

Commercial HVAC Repair in San Diego, CA

Rooftop unit, split system and VRF repair and preventive maintenance to keep tenants comfortable and energy bills under control.

Commercial HVAC Repair for San Diego Commercial Properties

Rooftop package units do most of the work in San Diego commercial buildings, and they wear out fastest in coastal salt air and inland heat. RAM diagnoses and repairs RTUs, splits and controls, and sets up maintenance that keeps systems running efficiently.

What's Included

  • Rooftop package unit (RTU) diagnosis and repair
  • Split systems, heat pumps and VRF service
  • Filter, belt and coil cleaning programs
  • Thermostat and building controls troubleshooting
  • Refrigerant leak repair and recharge
  • Replacement planning and Title 24 compliant upgrades

Problems We Solve

  • Hot and cold complaints from tenants
  • Rising electric bills
  • Units failing during heat waves

Commercial HVAC Repair by City

We provide commercial hvac repair throughout San Diego County:

Commercial HVAC Repair FAQs

How often should commercial HVAC be serviced?

At least twice a year — spring for cooling and fall for heating — with filter changes every 1–3 months depending on occupancy and dust.

Do you service all brands?

Yes. We work on the common commercial brands including Carrier, Trane, Lennox, York, Daikin and Mitsubishi.

Get Your Building on a Maintenance Plan

Free walkthrough and written scope for San Diego County commercial properties.