Rooftop Unit Service
RTU inspections, compressor checks, blower diagnostics, electrical testing and performance review.
Commercial HVAC • Preventive Maintenance
Commercial HVAC Maintenance That Reduces Downtime
Protect equipment, reduce emergency calls and keep tenants, employees and customers comfortable with scheduled commercial HVAC maintenance.
LC # 1153611Licensed & InsuredCommercial Ready
RTU Maintenance
Diagnostics
Controls
Service Agreements
Built for B2B Service
Reliable HVAC & Refrigeration Support
Updated visuals with commercial package units, diagnostics, and the latest Expert Tech HVAC van branding.
Detailed Diagnostics
Professional troubleshooting for refrigerant, airflow, controls, drainage, electrical and system performance issues.
Controls & Electrical
Control panels, low-voltage issues, contactors, capacitors, safeties and system operation checks.
New Van Design
Professional Expert Tech HVAC fleet branding that supports scheduled maintenance programs for buildings, restaurants, and facility managers.
Service Areas
Orange County • Riverside • San Diego • Pasadena • Torrance • Hawthorne • Glendale
Vendor Request
Request a Commercial HVAC Maintenance Quote
Send your request and Expert Tech HVAC will follow up with company details, service capabilities, and next steps.
Professional B2B scheduling • Clear communication • Fast vendor response
☎(714) 430-0255