Precedent® Rooftop Units

3 to 10 Tons

Precedent® Rooftop Units

Precedent® Rooftop Units

3 to 10 Tons

Key Features:

  • Fastest delivery in industry
  • Multiple efficiency levels available
  • Delivers ultra-high efficiency at lowest total cost
  • Feature-rich rooftop units tailored to meet your needs
  • Connected-ready with intuitive controls
  • Engineered for easier service and maintenance  

Need a Rental? Learn more about our Rental Services

Super-fast two-week shipping

Even the most highly configured Precedent unit will be shipped in as few as two weeks. 

Trane® Precedent® 3 to 10 Ton offering includes:

  • Factory-assembled options: gas/electric, cooling with electric heat or heat pump 
  • Precedent with eFlex Technology: Ultra-high efficiency. eFlex variable-speed compressors and fans deliver the comfort building occupants need, while also delivering the performance and efficiency building owners want.
  • Precedent Plus: Exceeds federal minimum requirements by up to 25 percent.

The ultimate in performance for the lowest installed and ownership cost

Precedent rooftop units deliver comfort with the highest efficiency – up to 20 SEER/23.5 IEER -- at the lowest installed cost. With ultra-fast two-week shipping to boot, even for the most highly configured units.

Features include:

  • Outstanding energy efficiency – exceeds federal requirements by up to 80% and up to 10% more efficient than other brands
  • Trane eFlex™ variable speed compressors that match output with occupant need to maintain peak performance
  • Direct-drive fans that use less energy and require less maintenance for lower operating costs
  • Factory-installed and programmed (ECM) electronically commutated motor  optimizes fan speed for superior comfort and humidity control while boosting efficiency and cost savings

Tailored to your needs – not ours

Configure your Precedent your way.

Choose from the industry’s widest selection of factory-installed options to design the unit you need.

Various options include:

  • Gas/electric (Y), cooling only (T), heat pumps (W), or dual fuels (D)
  • Standard, high, or ultra-high (eFlex™) efficiency cooling capacities
  • Constant Volume, 2-Speed, Single-Zone VAV or Multiple-Zone VAV Airflow
  • Hinged Access Panels
  • MERV 8 or 13 Filters
  • Convenience Outlets, Disconnect/Circuit Breakers    

Connected-ready for real-time monitoring, data analysis and optimization

All Precedent units are ready-to-connect with building automation systems using the most common industry communications protocols. You can also pair Precedent as it seamlessly integrates with Trane controls for comprehensive HVAC system monitoring, energy management and equipment diagnostics.    

Pair Precedent with BAS or Trane controls such as:

  • Trane Pivot® Smart Thermostat
  • Tracer Concierge® small building controls 

Built-in simplicity makes installation and service easier

Trane engineers designed Precedent to be easy to install and maintain. With innovations like Trane’s optional 5” color touchscreen that speeds up commissioning and troubleshooting and standardized components for fewer surprises, colored and numbered wiring, and direct-drive motors.

Built-in convenience features:

  • Easy conversion from downflow to horizontal
  • Single-side access
  • Easy-access low voltage terminal board
  • Single point power connection
  • Standard through-the-base condensate connections

Precedent® Standard

3 - 10 Ton
  • Competitively priced to meet stringent performance requirements with exceptional reliability
  • Available in gas/electric, cooling with electric heat or heat pump versions
  • Includes reliable compressors
  • Trane-engineered ReliaTel® controls
  • Computer-aided run-testing
  • Integrated Comfort™ Systems  

Precedent® Plus - High-Efficiency

3 - 5 Tons
  • One of the most energy-efficient packaged rooftop units in the industry at 17.5 SEER
  • Exceeds federal minimum requirements by up to 25percent
  • Available with an enhanced indoor fan cycle and variable capacity compressor capabilities
  • Includes factory-installed and programmed Electronically Commutated Motor (ECM) for superior humidity control, comfort, energy efficiency and sound levels
  • Provides higher efficiency and significant cost savings during continuous fan operation

Precedent® with eFlex™ Technology Ultra-High Efficiency

Combine technological innovation, legendary durability and performance to get the lowest cost of ownership = Precedent Ultra High Efficiency
  • Built for durability to perform at peak performance 
  • Trane eFlex™  variable-speed compressors and fans deliver the performance and efficiency building owners desire 
  • Beltless, direct-drive fans save energy and operate more quietly than competitor units with reduced maintenance costs
  • Large, easy-to-read color touchscreen display provides comprehensive information about system performance in real-time for easier trouble-shooting and maintenance    

Precedent Models


Ultra High Efficiency


HighEfficiency Standard Efficiency
Tonnage   Models Models Models
3 ZC036 HC036/037 SC036
4 ZC048 HC048/047 SC048
5 ZC060 HC060/067 SC060
6 ZC072 HC072/074 SC072
7.5 ZC090 HC092 SC090/092
8.5 ZC102 HC102 SC102




Note T  & Y Models T YW & D Models Only T Y & W Models

Product Literature


Rental Solutions

Our approach to temporary HVAC and power goes beyond the typical drop-off. We design, deliver, install and even monitor safe and efficient rental solutions. Short term, long term, chiller, generator, or portable AC unit, we have the fleet and people where and when you need them.

HVAC System Repair

Our local, certified technicians get your system back up and running, fast

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