Key Specifications

Split-System Dual Fuel Heat Pump – Combines an outdoor heat pump with a high-efficiency gas furnace for flexible heating and cooling

3.5 Ton Heat Pump Performance – J5HP5042A1000AA heat pump rated at 14.3 SEER2 using R454B refrigerant

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

High-Capacity Two-Stage Gas Heating – J962V120DU5SA furnace delivers 120,000 BTUH with 96% AFUE efficiency

Matched System Design – Engineered for balanced airflow, reliable performance, and long service life

This Oxbox system is a split-system dual fuel heat pump, engineered to deliver efficient cooling, electric heat pump heating, and high-capacity gas heating for residential applications. The dual-fuel configuration allows the system to operate as a heat pump during mild outdoor conditions and automatically transition to gas heat during colder temperatures, optimizing comfort and energy efficiency throughout the year.

The system includes the J5HP5042A1000AA outdoor heat pump, rated at 3.5 tons with 14.3 SEER2 efficiency and designed for R454B refrigerant, providing dependable cooling and heat pump operation. Indoor heat transfer is supported by the J5MXCD018AC6HCA cased evaporator coil, featuring a D-cabinet design and compatibility with 1.5–3.5 ton systems, ensuring proper airflow and system matching.

For heating, the system is paired with the J962V120DU5SA gas furnace, offering two-stage operation, 96% AFUE efficiency, and 120,000 BTUH heating capacity in a D-cabinet configuration. The two-stage design improves temperature control and efficiency while delivering the higher heating output required for larger homes or colder climates. When properly installed, this matched dual-fuel system provides reliable year-round comfort, quiet operation, and long-term performance.

J5HP5042A1000AA

Submittals –Submittals_J5HP5042A1000AA (2)

Energy Guide –J5HP5042A1000AA (2)

Sell Sheet –SellSheet_English_HeatPump_R-454B (9)

Installation Manual – InstallationManual_English_J5HP5_14.3SEER2 (10)

J5MXCD018AC6HCA

Submittals –Submittal_J5MXC-SUB-1A (6)

Sell Sheet –SellSheet_English_IndoorCoils_R-454B (6)

Installation Manual –InstallationManual_English_J5MXC (6)

J962V120DU5SA

Submittals –Submittal_J962VSAA (3)

Energy Guide –J962V120DU5S