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Trane S9X2 Two-Stage Gas Furnace
Model Number: S9X2
The Trane S9X2 delivers 96% AFUE efficiency with two-stage heating and variable-speed technology for enhanced comfort and efficiency.
Technical Specifications
*Prices include equipment, installation, and standard warranty. Actual cost may vary.
Estimated Annual Savings
Compared to an 80% efficient furnace
$200
per year
$3000
over 15 years
Ideal For
Comfort-focused homeowners
Expert Review: Trane S9X2 Two-Stage Gas Furnace
The Trane S9X2 offers 96% AFUE efficiency with two-stage heating and variable-speed blower technology, positioning it as the practical choice in Trane's high-efficiency lineup.
For Nassau County homes in Syosset, Plainview, and similar established neighborhoods, the S9X2 provides the comfort benefits of two-stage operation—quieter running, reduced temperature swings—at a price point below Trane's modulating flagships.
At 96% AFUE, this model qualifies for solid PSEG Long Island efficiency rebates. Trane's well-established dealer network provides excellent parts availability and service expertise.
The two-stage gas valve runs at low-fire most of the time, providing quiet, efficient operation. The variable-speed blower enhances both comfort and system efficiency. Trane's legendary durability means fewer service calls over the furnace's lifespan.
Best for: Homeowners seeking Trane quality and two-stage comfort without the investment required for modulating technology—a sensible middle ground.
Key Features & Technology
96% AFUE efficiency
Two-stage heating
Variable-speed blower
ComfortLink II compatible
All-aluminum evaporator coil
Advantages
- Improved comfort control
- Quieter two-stage operation
- Smart thermostat ready
- Strong efficiency
Considerations
- Mid-range pricing
- Not full modulating
- Standard features
Warranty & Protection
Parts Warranty
10 years
Heat Exchanger
Lifetime
Our Guarantee
100% Satisfaction
All warranties require product registration within 60 days of installation. Our team handles registration for you as part of our comprehensive installation service.
Professional Installation
What is Included
- Complete furnace unit and materials
- Professional NATE-certified installation
- Permits and inspections
- Old furnace removal and disposal
- System testing and calibration
- Warranty registration
Installation Timeline
Free Consultation
Same-day or next-day
Installation Day
Typically 4-8 hours
Final Inspection
Ensure perfect operation
Frequently Asked Questions
About Trane

Trane
Ranked #1 Overall
Best overall furnace — durable heat exchanger, quiet operation, broad parts availability
Get Your Free Quote
NATE-certified technicians serving Nassau County with expert Trane S9X2 Two-Stage Gas Furnace installation.
Get Free Quote(516) 345-3911Available 24/7 for emergencies
Why Home+ Air & Heat?
- NATE-certified technicians
- Same-day consultations available
- Financing options available
- 100% satisfaction guarantee
- Local Nassau County company
Ready to Install Your Trane S9X2 Two-Stage Gas Furnace?
Get a free, no-obligation quote from our NATE-certified technicians. We serve all of Nassau County with expert furnace installation and a 100% satisfaction guarantee.
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