Trane 12.5 Ton 140,000 BTU Commercial Gas/Electric Packaged Unit | High Heat | 14.0 IEER | R-454B | 460V 3-Phase | Foundation Series | Single Stage

Product Description

Trane Foundation Series 12.5 Ton Commercial Gas/Electric Packaged Unit — 460V High Heat Configuration for Maximum Capacity Cold Climate Commercial and Industrial Buildings

The Trane Foundation Series 12.5-ton unit in high heat configuration on 460V 3-phase power is the absolute pinnacle of the Foundation Series lineup — maximum tonnage, maximum BTU output, maximum gas heat capacity, and maximum voltage in a single factory-assembled rooftop package. At 140,000 BTU cooling with high heat gas output on 460V 3-phase power, this gas/electric rooftop packaged unit represents the top of what the Foundation Series delivers across every specification dimension simultaneously. Large-format manufacturing facilities in northern industrial parks, major distribution centers in cold climate zones running high-voltage infrastructure, large institutional buildings in Mountain West high-altitude markets, flagship retail anchors in upper Midwest cold climate zones on 460V power, and major multi-tenant commercial complexes in New England cold climate geographies where maximum tonnage, maximum heat output, and 460V electrical compatibility are all non-negotiable — this is the unit that closes every one of those specifications without compromise, without supplemental equipment, and without a second rooftop unit. When the building demands the absolute ceiling of Foundation Series performance across every dimension of the specification matrix, this is the only unit in the lineup that delivers it.

High Heat Configuration — Maximum Gas Heat Output at the Absolute Top of the 460V Lineup

At 12.5-ton capacity on 460V power in high heat configuration, this unit sits at the convergence of every demanding specification requirement the Foundation Series was engineered to address simultaneously. The cooling load has reached the maximum capacity the Foundation Series offers. The winter heating demand in a cold climate zone — driven by the combination of large building envelope exposure, high infiltration loads in major commercial and industrial facilities, extended heating degree days in northern U.S. markets, and the thermal mass demands of large-footprint buildings in severe cold — requires the maximum gas heat output the Foundation Series provides. And the building's 460V electrical infrastructure makes any other voltage specification incorrect regardless of tonnage or heat configuration. For the buildings that sit at this precise intersection of maximum tonnage, maximum heat, and high voltage — and they exist across every cold climate geography in the U.S. — the 12.5-ton 460V high heat Foundation Series unit is not one specification option among several. It is the only configuration in the lineup that addresses all three requirements at their maximum simultaneously, and specifying it correctly at installation eliminates permanently every alternative that falls short on any one of those three dimensions across the full operational life of the equipment.

140,000 BTU Rated Output — Maximum Foundation Series Cooling Capacity in Cold Climate 460V Configuration

At 140,000 BTU rated cooling output, this unit delivers the highest cooling capacity in the entire Foundation Series lineup across both voltage configurations and all heat configurations. The rated output of 140,000 BTU is the correct figure for load calculations, energy modeling, and equipment selection at this tonnage — not the nominal 12.5-ton designation. For mechanical engineers and specifying contractors working from Manual N commercial load calculations on large cold climate 460V buildings where peak summer cooling loads and peak winter heating loads are both at their maximum, 140,000 BTU and the high heat gas output rating together define the complete annual performance envelope of the most capable unit in the Foundation Series — the unit that sets the upper boundary of what a single light commercial rooftop package can deliver across every operating condition from peak summer demand to peak winter severity.

14.0 IEER — Code-Compliant Efficiency at Maximum Cold Climate 460V Tonnage

At 12.5-ton capacity in high heat 460V configuration, the Foundation Series delivers 14.0 IEER — meeting commercial energy code requirements at the absolute top of the lineup across every specification dimension. The step from 14.6 IEER at 10 tons to 14.0 IEER at 12.5 tons is consistent with commercial efficiency standards at this capacity level across the industry and reflects the engineering realities of delivering maximum tonnage output through a single-stage gas/electric rooftop package in the most demanding cold climate 460V configuration the Foundation Series offers. For large cold climate building owners and facility managers running major facilities on 460V infrastructure who need to satisfy both peak winter heating performance requirements and summer energy code compliance in a single rooftop unit at maximum capacity, 14.0 IEER at 140,000 BTU high heat 460V capacity sits comfortably above minimum energy code thresholds in most U.S. jurisdictions and delivers meaningful operating cost efficiency at the scale where utility spend on a single rooftop unit is at its most significant.

460V 3-Phase — Maximum Electrical Advantage at Maximum Cold Climate Tonnage

At 12.5-ton capacity in high heat configuration, the amperage reduction from 460V versus 208/230V reaches its absolute maximum point across the entire Foundation Series lineup. At 140,000 BTU load with high heat gas output on 460V power, the difference in amperage draw versus a comparable 208/230V unit is the largest in the series — translating into the greatest wire sizing reductions, the most significant conduit savings, the highest switchgear cost reduction, and the largest overall electrical installation cost advantage of any unit in the Foundation Series high heat lineup. For contractors managing large cold climate commercial and industrial mechanical and electrical scopes where 460V infrastructure is already in place, the 12.5-ton high heat 460V Foundation Series unit delivers maximum HVAC performance, maximum heat output, and maximum electrical installation economics simultaneously — the only unit in the lineup where all three advantages converge at their peak value at the same time. Factory-rated 460V from the ground up at maximum capacity and maximum heat output means full warranty validity, correct motor sizing engineered for maximum load on high-voltage power, and proper protection components rated for 460V operation at the highest sustained load in the Foundation Series.

R-454B Refrigerant — Maximum Lifecycle Protection at the Absolute Top of the Cold Climate 460V Lineup

The large cold climate commercial and industrial buildings that specify 12.5-ton 460V high heat rooftop equipment represent the most demanding operating environment and the longest equipment lifecycle in the entire Foundation Series target market. Maximum tonnage in a cold climate zone on high-voltage infrastructure means maximum annual operating hours — extended heating seasons in northern U.S. markets combined with full 140,000 BTU summer cooling loads on a single rooftop unit generate more total runtime per year than any other Foundation Series application profile across any tonnage tier, voltage configuration, or heat configuration. Over a 20 to 25-year service life in that operating environment, the implications of a mid-lifecycle refrigerant retrofit are at their most severe and most consequential of any unit in the lineup: a 12.5-ton commercial unit taken offline for refrigerant retrofit in a large cold climate 460V building means the longest downtime, the highest recovery and recharge costs at maximum scale, the greatest potential for component replacements driven by refrigerant incompatibility, and the most complex recommissioning scope of any Foundation Series unit in any application. R-454B specified at installation eliminates every element of that risk permanently, across the complete service life of the highest-capacity, highest-utilization, most operationally critical unit in the Foundation Series.

All-In-One Gas/Electric — Complete HVAC Consolidation at the Ceiling of the Cold Climate 460V Lineup

At 12.5-ton high heat capacity on 460V power, the all-in-one gas/electric Foundation Series design reaches the absolute peak of its consolidation value across the entire lineup. The alternative at this scale in a large cold climate 460V building — a separate high-capacity 460V-rated gas heating plant engineered for maximum cold climate peak loads, a standalone 12.5-ton high-voltage cooling system, independent high-voltage electrical connections for each system, dual commissioning scopes across two separate HVAC systems on high-voltage power, and two long-term service relationships covering heating and cooling separately in a climate zone where winter service coordination is already at its most complex and most time-sensitive — represents the full complexity, cost, and ongoing management overhead of a dual-system mechanical design at the maximum scale the Foundation Series addresses in its most demanding cold climate application. The Foundation Series 12.5-ton high heat 460V unit replaces all of it with one factory-assembled rooftop package: one unit, one roof curb, one high-voltage electrical connection, one refrigerant circuit, one service contractor, and one warranty covering the absolute ceiling of Foundation Series heating and cooling performance in the most demanding cold climate 460V commercial and industrial buildings the lineup was designed to serve.

Single-Stage Operation — Maximum Tonnage Cold Climate 460V Dependability at the Top of the Lineup

Single-stage control at 12.5-ton capacity in a 460V high heat configuration is where operational simplicity delivers its absolute highest value across the entire Foundation Series lineup. At maximum tonnage in a large cold climate 460V building fully dependent on a single rooftop unit for both peak winter high heat output and peak summer cooling capacity, any HVAC system failure carries its maximum possible consequence across every dimension simultaneously — the largest building area without climate control, in the most severe climate, on a high-voltage system requiring the most specialized service expertise, with the longest potential service windows and the highest downtime cost impact of any Foundation Series application. Single-stage design eliminates every layer of unnecessary control complexity at exactly the capacity tier, voltage configuration, and climate profile where that elimination delivers its greatest and most consequential operational value — keeping commissioning straightforward, diagnostics fast, and return-to-operation time as short as possible at the absolute top of the Foundation Series lineup in the most demanding cold climate 460V commercial and industrial environments the series addresses.

Why Cold Climate 460V Contractors Specify This Unit

• Maximum Foundation Series capacity — 12.5 ton / 140,000 BTU high heat on 460V 3-phase power
• High heat configuration delivers maximum gas heat output for the largest 460V buildings in the coldest climate zones
• 14.0 IEER meets commercial energy code at maximum tonnage with no efficiency penalty for high heat or 460V specification
• Maximum amperage reduction at 460V at 12.5-ton load delivers the largest electrical installation savings in the entire Foundation Series lineup
• Factory-rated 460V at maximum capacity and maximum heat output — full warranty, correct motor sizing, proper protection components
• R-454B refrigerant provides maximum lifecycle protection across 20–25 year high-utilization cold climate 460V service life
• All-in-one gas/electric package delivers complete HVAC consolidation at the absolute ceiling of the cold climate 460V Foundation Series lineup
• Eliminates separate 460V-rated cold climate heating plant, dual high-voltage commissioning, and split service responsibility at maximum scale
• Single-stage operation delivers maximum dependability at the capacity tier where cold climate 460V downtime carries its highest consequence
• Trane Foundation Series engineering and full factory warranty at the absolute top of the lineup across every specification dimension

Specifications at a Glance