San Marcos · Rooftop units
Commercial HVAC Repair in San Marcos, CA
Rooftop unit, split system and VRF repair and preventive maintenance to keep tenants comfortable and energy bills under control. Serving University District, Palomar Medical area, San Marcos Boulevard and all of San Marcos.
Commercial HVAC Repair for San Marcos Properties
San Marcos combines newer mixed-use around the university district with established business parks and medical office buildings.
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 in San Marcos
- 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
San Marcos Areas We Serve
University District · Palomar Medical area · San Marcos Boulevard · Restaurant Row
Property mix: University district · medical · business parks
Commercial HVAC Repair Near San Marcos
See all of our commercial property maintenance in San Marcos or our main commercial hvac repair in San Diego page.
Commercial HVAC Repair in San Marcos: FAQs
Do you provide commercial hvac repair in San Marcos?
Yes. RAM Commercial Building Services provides commercial hvac repair for commercial properties throughout San Marcos and the rest of San Diego County.
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.
Other Services in San Marcos
Commercial Property Maintenance
Scheduled preventive maintenance that keeps offices, retail centers and industrial buildings running without surprise breakdowns.
Learn more Fast responseCommercial Property Repair Services
Drywall, doors, plumbing, electrical, water damage and general repairs for commercial buildings — handled fast with minimal tenant disruption.
Learn more Flat & low-slopeCommercial Roof Repair
Leak repair, flashing, drains and coating for flat and low-slope commercial roofs — TPO, built-up, modified bitumen and foam.
Learn more Janitorial & exteriorCommercial Building Cleaning Service
Nightly janitorial, day porter, pressure washing and window cleaning for offices, medical buildings, retail and industrial sites.
Learn more Outsourced facilitiesCommercial Building Operations Manager
An outsourced building operations manager who runs vendors, work orders, budgets and inspections for your property.
Learn moreHelpful Guides
Commercial Preventive Maintenance Checklist for San Diego Buildings
A month-by-month preventive maintenance checklist for San Diego office, retail and industrial buildings.
Commercial HVAC Maintenance Schedule for San Diego Buildings
How often to service rooftop units and commercial HVAC in coastal and inland San Diego.
7 Signs Your Rooftop HVAC Unit Needs Repair
Warning signs that a commercial rooftop unit needs service before it fails.
Need Commercial HVAC Repair in San Marcos?
Free walkthrough and written scope for San Diego County commercial properties.