Trane S9X1C100U5PSB 100,000 BTU Single Stage 96% Efficiency 21" Gas Furnace

Trane S9X1C100U5PSBB – 100,000 BTU Single-Stage 95% AFUE Upflow / Horizontal Gas Furnace

Deliver powerful and efficient residential heating with the Trane S9X1C100U5PSBB , a 100,000 BTU single-stage condensing gas furnace designed for dependable comfort and flexible installation. As part of Trane’s S-Series furnace platform, this ENERGY STAR® certified model features durable stainless steel heat exchangers, a high-capacity ECM blower motor, and an integrated furnace control system engineered to provide efficient heating performance and consistent airflow for modern residential HVAC systems.

Single-Stage Gas Heating Performance
The S9X1C100U5PSBB utilizes a single-stage gas heating system designed to deliver consistent and dependable heating output. The furnace provides an input capacity of approximately 100,000 BTU with an output heating capacity of approximately 97,400 BTU , supporting steady indoor temperatures during heating operation. The system is designed to maintain a temperature rise range of approximately 40°F to 70°F , depending on airflow and system configuration.

High-Efficiency 95% AFUE Condensing Operation
With an AFUE rating of up to 95% , the S9X1 furnace platform is engineered to convert a high percentage of fuel energy into usable heat for the home. The condensing furnace design incorporates a stainless steel secondary heat exchanger that captures additional heat from combustion gases that would otherwise be lost through the vent system, improving overall heating efficiency and helping reduce energy consumption.

9-Speed Constant Torque ECM Blower Motor
Airflow is delivered through a direct-drive blower assembly powered by a 9-speed constant torque ECM blower motor rated at approximately 1 horsepower and operating around 1075 RPM . This advanced blower system allows the furnace to adapt airflow to varying heating and cooling requirements while maintaining efficient electrical consumption and consistent air distribution throughout the home.

Durable Stainless Steel Heat Exchanger System
The furnace utilizes a tubular 409 stainless steel primary heat exchanger combined with a 29-4C stainless steel secondary heat exchanger to improve durability and corrosion resistance. This dual heat exchanger configuration allows the system to reclaim additional heat from exhaust gases while providing long-term reliability in high-efficiency condensing furnace operation.

Multiport Inshot Burners with Silicon Nitride Ignition
The heating system features multiport inshot burners designed for quiet and efficient combustion. Ignition is provided by a 120V silicon nitride hot surface igniter , eliminating the need for a standing pilot light while improving ignition reliability and reducing unnecessary energy consumption during furnace startup. The system utilizes five burners to deliver powerful and evenly distributed heating output.

Integrated Furnace Control with Diagnostic Capabilities
An integrated solid-state furnace control continuously monitors furnace operation, including flame detection, blower operation, and safety limits. The control board includes built-in diagnostic capabilities that store recent fault codes to assist with troubleshooting and service. It also provides low-voltage connections for accessories such as electronic air cleaners (EAC) and humidifiers (HUM) , simplifying installation and system integration.

Flexible Upflow and Horizontal Installation Design
The S9X1C100U5PSBB furnace features a multi-position cabinet design that supports installation in upflow, horizontal left, or horizontal right orientations . This flexibility allows the furnace to be installed in closets, basements, attics, or utility rooms depending on the building layout and HVAC system configuration.

Large Cabinet Design for High Airflow Applications
The furnace utilizes a C-size cabinet measuring approximately 34 inches high, 21 inches wide, and 28.75 inches deep (uncrated) . The wider cabinet design supports higher airflow capacity and accommodates larger evaporator coils commonly used in higher-capacity residential HVAC systems.

Engineered for Efficient Residential Heating Performance
Ideal for residential forced-air heating systems, the Trane S9X1C100U5PSBB gas furnace combines powerful single-stage heating performance, corrosion-resistant stainless steel heat exchangers, and advanced ECM blower technology in a durable condensing platform designed to deliver dependable comfort, energy efficiency, and long-term system reliability.