Large industrial warehouse rooftop with rows of commercial HVAC RTU package units against a blue sky
Industrial & Warehouse · Same-Day

RTUs · Evap Cooling · Cold Storage · Dock Refrig

Industrial HVAC &RefrigerationAt Warehouse Scale

Rooftop fleets, evaporative coolers, cold storage, and dock-area refrigeration kept online by EPA-certified commercial techs serving Riverside & San Bernardino County.

10 Years
Inland Empire
EPA 608
Universal Certified
Same-Day
Emergency Dispatch
Both Counties
Riverside & SB
When Production Can't Stop

We Show Up When Operations Can't Wait

Triage · Diagnose · Restore

Every warehouse and plant manager we work with knows the failure modes that put inventory, throughput, and OSHA compliance at risk. We built our industrial practice around them.

01

Cold Storage Warming

Walk-in freezer drifting above setpoint with full inventory on the racks — every minute is product, labor, and customer SLAs on the clock.

02

100°F+ Warehouse Floor

Evap coolers blocked, RTUs short-cycling, and pickers slowing to half-speed. We restore cooling and run airflow diagnostics fast.

03

RTU Compressor Down

One zone offline takes out an entire packing line or office wing. We arrive with the parts to swap capacitors, contactors, and compressors on the truck.

04

Dock-Door Refrigeration

Frosted-up evaporators, failed door heaters, and dock-seal gaps — the small failures that cause the big product losses.

Warehouse Services

Built For Industrial Scale

Four service categories that cover every commercial roof, dock, and cold-storage box in your facility.

Cold Storage Refrigeration
Cold Storage

Cold Storage Refrigeration

  • Walk-in coolers & freezers, any footprint
  • Condensing units, evaporators, defrost cycles
  • Refrigerant leak repair & EPA recovery
  • Dock-area refrigerated staging
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Rooftop Package Units
RTU Fleet

Rooftop Package Units

  • Single units to multi-unit rooftops
  • Carrier, Trane, Lennox, York coverage
  • Capacitors, contactors, motors on the truck
  • Belt, bearing & filter PM programs
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Evaporative & Ventilation
Airflow

Evaporative & Ventilation

  • Evap cooler pad & pump service
  • Exhaust fans & dock ventilation
  • Make-up air for processes & assembly
  • Pressure-balance diagnostics
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Process & Equipment
Process

Process & Equipment

  • Process chillers & glycol loops
  • Compressor rebuilds & swaps
  • Refrigerant conversions & retrofits
  • Documented PM with every visit
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Facilities We Serve

Built For Every Footprint

From cold-storage 3PL to clean-room manufacturing, we know how each facility type fails and how to keep it running.

01

Distribution & 3PL

Cross-dock cooling, dock-door refrigeration, and ambient HVAC for pick-and-pack and last-mile staging facilities.

02

Manufacturing & Assembly

Process cooling, make-up air, and rooftop comfort for plants where downtime stops the entire line.

03

Cold Storage Warehouses

Bulk freezer rooms, cooler rooms, and dock-area refrigeration — preventive maintenance and emergency repair.

04

Food & Beverage Plants

Production refrigeration, walk-ins, and dock-area cold staging for processors, beverage producers, and commissaries.

05

E-Commerce Fulfillment

Multi-zone rooftop cooling, evaporative banks, and ambient comfort for high-throughput pick-and-pack operations.

06

Data & Equipment Rooms

Dedicated cooling and split systems for server rooms, equipment closets, and process-critical environments.

Tech On Call service truck parked at a commercial storefront in the Inland Empire
Industrial Focused

Inland Empire · Industrial Service

From Rooftop to Cold Room.

Why Tech On Call

Why Inland Empire Operators Pick Us

01

EPA 608 Certified

Universal-certified techs handling R-448A, R-449A, R-404A, and R-290 correctly on every repair, install, and recovery.

02

Same-Day Response

We triage commercial emergencies first and dispatch the same day across both counties.

03

Flat Pricing

Diagnostic and repair quoted before work begins. The number we give you on site is the number on the invoice.

04

Off-Hours Work

Non-emergency installs and maintenance scheduled around your operating hours — your customers never see us.

Preventive Maintenance

Stop running on reactive maintenance.

Industrial PM agreements with documented service records, refrigerant compliance, and priority dispatch — built around the throughput your operation actually runs.

FAQ

Facility Managers Ask

01

Do you service large warehouses and distribution centers?

Yes. We service multi-RTU rooftops, evaporative cooler banks, walk-in cold storage, and dock-area refrigeration for warehouses, 3PL facilities, and manufacturing plants across both counties.

02

Can you maintain a fleet of rooftop units?

Yes. Our PM agreements cover RTU lineups of any size — quarterly filter changes, coil cleanings, belt and bearing inspections, refrigerant verification, and documented service records for every unit.

03

Do you handle ammonia or industrial refrigeration?

We service commercial HFC/HFO and CO2 systems. For pure anhydrous-ammonia industrial systems we coordinate with a specialty partner — call us and we'll route the job appropriately.

04

Can you respond after-hours for production outages?

Yes. We dispatch same-day for warehouse and manufacturing emergencies and coordinate after-hours work for non-emergencies so we never interrupt production.

05

Do you support multi-site portfolios?

Yes. If you run multiple facilities, our portfolio practice coordinates NTE budgets, documented audit trails, and one point of contact across every site.

Ready to get back to service?