OXBOX BY TRANE 3.5 Ton 14.3 SEER2 Split-System Air Conditioner with D-Cabinet Coil and 120,000 BTU Gas Furnace – J5AC5042A1000AA, J5MXCD018AC6HCA, J962V120DU5SA

Split-System Air Conditioner with Gas Furnace – Outdoor AC paired with indoor cased evaporator coil and high-capacity furnace

3.5 Ton Cooling Capacity – J5AC5042A1000AA air conditioner rated at 14.3 SEER2 for efficient cooling performance

D-Cabinet Cased Evaporator Coil – J5MXCD018AC6HCA supports 1.5–3.5 ton airflow for proper system matching

96% AFUE Two-Stage Gas Furnace – J962V120DU5SA delivers 120,000 BTUH with improved comfort control and fuel efficiency

R454B Refrigerant Compatible – Designed to meet modern refrigerant and efficiency standards

This Oxbox system is a split-system air conditioner paired with a high-capacity gas furnace, engineered to deliver reliable cooling and powerful, energy-efficient heating for residential applications. The split-system design separates the outdoor cooling equipment from the indoor heating components, providing quiet operation, balanced airflow, and installation flexibility.

The system includes the J5AC5042A1000AA outdoor air conditioner, rated at 3.5 tons with 14.3 SEER2 efficiency and designed for R454B refrigerant, delivering consistent and energy-efficient cooling performance. Cooling operation is supported by the J5MXCD018AC6HCA cased evaporator coil, a D-cabinet configuration compatible with 1.5–3.5 ton applications, ensuring proper airflow and effective heat transfer.

For heating, the system is equipped with the J962V120DU5SA gas furnace, featuring two-stage operation, 96% AFUE efficiency, and 120,000 BTUH heating capacity. The two-stage design enhances temperature control and comfort, while the high AFUE rating maximizes fuel efficiency. When properly installed, this matched system delivers dependable year-round comfort and long-term performance.

J5AC5042A1000AA – 

Submittals – Submittals_J5AC5042A1000AA

Energy Guide – J5AC5042A1000AA

Sell Sheet – SellSheet_English_AirConditioner_R-454B

Installation Manual – InstallationManual_English_J5AC5_14.3SEER2

J5MXCD018AC6HCA –

Submittals – Submittal_J5MXC-SUB-1A

Sell Sheet – SellSheet_English_IndoorCoils_R-454B

Installation Manual – InstallationManual_English_J5MXC

J962V120DU5SA – 

Submittals – Submittal_J962VSAA

Energy Guide – J962V120DU5S

Sell Sheet – SellSheet_Furnace_80_96_percent

Installation Manual – InstallationManual_J962VSAA