
reliability and dependability

The 80 Two-Stage Gas Furnace operates on a high or low heat output setting depending on how much heat your home needs. That can give you more consistent temperatures throughout your home.


The 80 Two-Stage Gas Furnace carries an 80% AFUE rating — a clear sign that this furnace uses most of its fuel for heating.
Because it specializes in high-efficient heating, the 80 Two-Stage Gas Furnace can help you save on utility bills.


Match your gas furnace with a heat pump to enjoy the benefits of a hybrid system. Your heat pump primarily heats your home and your furnace steps in when the weather gets too cold. Together, they offer you reliable comfort that could lower your energy costs.
80 Two-Stage Gas Furnace Specifications
Every Trane furnace is packed with high-quality components. Each helps ensure that time after time, your unit will provide total comfort your family can rely on. The 80 Two-Stage Gas Furnace includes:
- Nine tap blower motor
- Two-stage gas heat
- Microelectronic controller
- Heavy steel cabinet
- Durable silicon nitride hot surface igniter
- Multi-port, in-shot burners
- Tubular steel heat exchanger
- Pre-painted galvanized steel cabinet
- Insulated cabinet for quiet operation
- This product was formerly known as the S8X2 Gas Furnace
Heating Stages
AFUE

Warranty & Registration
Ensure that your covered parts will be replaced at little or no cost to you.
Owner’s Manuals
Get easier, faster product support and access to warranty information.
Maintenance
Learn best practices for taking care of your system, so you can avoid costly repairs.
Troubleshooting
Our interactive guide to find answers to your system’s problems.

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