Rooftop Units & Split Systems

Commercial HVAC Expertise

Commercial rooftop units and split systems deliver reliable comfort across retail, office, healthcare, and education facilities. We service all major brands providing maintenance, repair, and replacement services that keep your equipment running efficiently.

3-25+ Ton capacity range

All Brands Carrier, Trane, Lennox, York

24/7 Emergency service

Equipment We Service

Our technicians are trained and experienced with all major commercial HVAC equipment types. Whether you have packaged rooftop units or split systems, we provide comprehensive service from routine maintenance to complex repairs and full replacements.

We work with Carrier, Trane, Lennox, York, Rheem, Goodman, and all other commercial HVAC brands. Our technicians understand manufacturer specifications and follow industry best practices for every service call.

Common Equipment Types

Packaged Rooftop Units: Self-contained heating and cooling systems from 3-25+ tons
Split Systems: Indoor air handlers paired with outdoor condensing units
Multi-Zone Systems: Coordinated equipment serving multiple building areas

HVAC technicians servicing rooftop equipment

Common RTU & Split System Services

Our technicians handle the full range of commercial HVAC repairs and maintenance:

Compressor Replacement

Diagnose failure causes
Verify warranty coverage
Recover refrigerant properly
Install replacement compressor
Test system operation

Coil Service

Deep clean evaporator coils
Clean condenser coils
Inspect for corrosion damage
Replace failed coils
Verify airflow and capacity

Fan & Motor Service

Replace failed fan motors
Align pulleys correctly
Tension and replace belts
Balance blower wheels
Lubricate bearings

Control Repairs

Diagnose control board failures
Replace failed boards
Update thermostat systems
Program economizer controls
Verify sequence of operation

Refrigerant Service

Leak detection and repair
Refrigerant recovery
System evacuation
Recharge to specifications
Verify superheat/subcooling

Gas Heating Repairs

Heat exchanger inspection
Igniter replacement
Gas valve service
Burner cleaning and adjustment
Safety control verification

Fast, Reliable RTU Service

Our technicians respond quickly when your rooftop units or split systems fail. We carry common parts and have relationships with distributors for rapid access to specialized components. Most repairs are completed the same day.

We understand commercial HVAC failures impact your operations and customer comfort. Our focus is minimizing downtime through fast diagnosis and efficient repairs backed by quality workmanship.

Why Choose Garrett Mechanical

Experience the advantages of working with a multi-brand commercial HVAC service provider.

Multi-Brand Experience

Service all major commercial HVAC brands without needing multiple contractors.

Roof Access Equipment

Proper ladders, fall protection, and equipment for safe rooftop service.

Fast Response

Minimize downtime with rapid diagnosis and repair of failed equipment.

Parts Availability

Quick access to common replacement parts through distributor relationships.

Thorough Diagnostics

Systematic troubleshooting identifies root causes preventing repeat failures.

Certified Technicians

EPA-certified technicians trained in commercial HVAC service and repair.