Trane 3.5 Ton 15.2 SEER2 Single-Stage AC System, 80% AFUE 80000 BTU Gas Furnace, Multi-Positional Coil, R-454B Gas System [with Install]
The Trane 3.5 Ton 15.2 SEER2 gas system combines cooling, gas heating, and indoor heat transfer equipment in one matched HVAC package. It is a practical choice for homeowners buying a complete Trane HVAC system with installation rather than sourcing the outdoor AC unit, furnace, and evaporator coil separately.
This Trane 3.5 Ton single-stage gas system includes three main heating and cooling components:
- Trane 3.5 Ton 15.2 SEER2 42,000 BTU R-454B Single-Stage Air Conditioner Condenser 5TTR5042A1000
- Trane 80,000 BTU S8X1 80% AFUE Single-Stage Gas Furnace S8X1C080M5PSC
- Trane 3 to 5 Ton R-454B Multi-Positional Cased Coil 5TXCC007AS3HC
Professional installation is included with this complete Trane AC and gas furnace package. Before ordering, Green Leaf Air can confirm the required system size, installation orientation, electrical requirements, gas configuration, and any property-specific work.
Trane 3.5 Ton 15.2 SEER2 Gas System
| Specification | Details |
| HVAC Bundle | Complete Split Gas System |
| Nominal Cooling Capacity | 3.5 Ton |
| SEER2 Rating | 15.2 SEER2 |
| EER2 Rating | 12.0 EER2 |
| AHRI Matched Cooling Capacity | 42,500 BTUh |
| Outdoor AC Condenser Unit | Trane 5TTR5042A1000 |
| Indoor Gas Furnace Unit | Trane S8X1C080M5PSC |
| Cased Coil Unit | Trane 5TXCC007AS3HC |
| Refrigerant | R-454B |
| Cooling Stage | Single Stage |
| Heating Stage | Single Stage |
| Furnace Efficiency | 80% AFUE |
| AHRI Certificate | 215475922 |
| Installation | Professional installation included |
The 15.2 SEER2 and 12.0 EER2 ratings apply to the complete AHRI-matched system. Actual operating costs will depend on climate, thermostat settings, insulation, duct condition, installation quality, and household usage.
1. Trane 3.5 Ton 15.2 SEER2 42000 BTUh AC Condenser 5TTR5042A1000
The Trane 5TTR5042A1000 is a 3.5 ton outdoor AC unit with a single-stage scroll compressor and R-454B refrigerant. It supplies the cooling side of this matched gas system and works with the included Trane coil and furnace blower.
- Upgraded outdoor fan motor supports steady airflow across the condenser coil
- Quick-Sess cabinet provides service access while protecting the coil
- Single-stage Climatuff Scroll Compressor provides consistent cooling output
- All-aluminum Spine Fin Coil supports heat transfer with low airflow resistance
- Full-sided galvanized steel louvered panels protect the outdoor coil
- Weather-resistant powder-painted cabinet helps resist rust and outdoor exposure
- Corrosion-resistant Weatherguard fasteners protect exterior connection points
- DuraTuff rust-resistant base pan will not crack, corrode, or warp
- Factory-installed pressure controls help protect the refrigeration system
- R-454B refrigerant meets current residential HVAC refrigerant requirements
AC Condenser Specifications
| Specification | Details |
| Brand | Trane |
| Series | 15 Single-Stage Air Conditioner |
| Model | 5TTR5042A1000 |
| Equipment Type | Outdoor AC Condenser |
| Nominal Capacity | 3.5 Ton |
| Cooling Capacity | 42,000 BTUh |
| System SEER2 Rating | Up to 15.2 SEER2 with the qualifying matched system |
| Cooling Stages | Single Stage |
| Compressor Type | Scroll |
| Refrigerant | R-454B |
| Minimum Circuit Ampacity | 19 amps for A suffix, 23 amps for B suffix |
| Maximum Breaker or Fuse | 30 amps for A suffix, 40 amps for B suffix |
| Voltage | 208/230 Volts |
| Phase | Single Phase |
| Frequency | 60 Hz |
| Dimensions | 37-1/8 inches H x 37-1/4 inches W x 34-1/4 inches D |
| Net Weight | Approximately 212 lbs |
| Liquid Line Connection | 5/16 inch |
| Gas Line Connection | 7/8 inch |
| Factory Refrigerant Charge | Approximately 5 lbs 1 oz |
| Published Sound Power Level | 71 dBA |
| ENERGY STAR Qualification | Based on the complete AHRI-certified system and regional requirements |
The full condenser model suffix must be checked before choosing the breaker, disconnect, or wiring. The A and B versions have different electrical requirements.
2. Trane 80000 BTUh 80% AFUE S8X1 Single-Stage Gas Furnace S8X1C080M5PSC
The Trane S8X1C080M5PSC is an 80,000 BTUh input, single-stage gas furnace with an 80% AFUE rating. It provides the heating portion of this complete Trane HVAC system and supplies airflow for the indoor evaporator coil during cooling operation.
- Silicon nitride hot surface igniter supports consistent burner ignition
- Heavy-gauge tubular aluminized steel heat exchanger transfers heat into the supply air
- Nine-speed constant-torque ECM blower allows airflow to be set for the matched AC system
- Multi-port in-shot burners shape the flame for controlled heat transfer
- Integrated system controller monitors the flame, blower, gas valve, and furnace limits
- Built-in diagnostic controls help technicians identify operating and service issues
- Heavy steel cabinet provides a rigid enclosure for the furnace components
- Air-Tite cabinet construction helps limit cabinet air leakage
- Four-way configuration supports upflow, downflow, horizontal-left, and horizontal-right installations
- Furnace can be converted for propane use with the correct approved conversion kit
Gas Furnace Specifications
| Specification | Details |
| Brand | Trane |
| Series | S8X1 Series |
| Model | S8X1C080M5PSC |
| Furnace Type | Non-Condensing Gas Furnace |
| Heating Input Capacity | 80,000 BTUh |
| Heating Output Capacity | 64,700 BTUh |
| AFUE | 80% |
| Heating Stages | Single Stage |
| Blower Motor | Nine-Speed Constant-Torque ECM |
| Installation Positions | Upflow, Downflow, Horizontal Left, Horizontal Right |
| Voltage | 120 Volts |
| Phase | Single Phase |
| Frequency | 60 Hz |
| Minimum Circuit Ampacity | Approximately 14.1 to 14.2 amps |
| Maximum Overcurrent Protection | 15 amps |
| Gas Pipe Connection | 1/2 inch |
| Dimensions | 34 inches H x 21 inches W x 28.75 inches D |
| Net Weight | Approximately 134 lbs |
3. Trane 3 to 5 Ton Downflow/Horizontal/Upflow Cased Coil 5TXCC007AS3HC
The Trane 5TXCC007AS3HC is an R-454B cased evaporator coil selected to work with the 3.5 ton outdoor AC condenser in this matched system. Its multi-positional cabinet supports common furnace and duct configurations, giving the installer more flexibility when replacing an existing AC and gas furnace system.
- All-aluminum plate-fin coil construction supports heat transfer and corrosion resistance
- Factory-installed non-bleed TXV regulates refrigerant entering the coil
- Internal check valve supports the required refrigerant flow
- R-454B-compatible refrigerant connections
- Multi-positional design supports upflow, downflow, horizontal-left, and horizontal-right installation
- Non-corrosive drain pan directs condensate toward the drain connection
- 3/4-inch NPT condensate drain connection
- Cased cabinet protects the evaporator coil during installation and operation
- 21-inch cabinet width matches the included S8X1C furnace without a width adapter
- Brazed refrigerant connections provide secure field piping connections
Cased Coil Specifications
| Specification | Details |
| Brand | Trane |
| Series | 5TXC Series |
| Model | 5TXCC007AS3HC |
| Equipment Type | Cased Evaporator Coil |
| Compatible Refrigerant | R-454B |
| Application Range | 3 to 5 Ton |
| Matched System Size | 3.5 Ton |
| Coil Type | Aluminum Plate Fin |
| Refrigerant Control | Factory-Installed Non-Bleed TXV |
| Internal Check Valve | Yes |
| Configuration | Upflow, Downflow, Horizontal Left, Horizontal Right |
| Gas Line Size | 7/8 inch |
| Liquid Line Size | 3/8 inch |
| Drain Connection | 3/4-inch NPT |
| Dimensions | 26-3/4 inches H x 21 inches W x 21-1/2 inches D |
| Net Weight | Approximately 61 lbs |
Why Buy from Green Leaf Air?
Buying a complete HVAC system requires more than choosing the correct tonnage from an online listing. The outdoor condenser, furnace, evaporator coil, airflow settings, refrigerant piping, electrical service, gas connection, and duct configuration must work together.
Green Leaf Air provides the equipment and professional installation through one purchase, reducing the risk of ordering components that do not match.
- Complete Trane AC unit, gas furnace, and cased coil package
- Professional HVAC installation included
- Compatibility and sizing assistance before purchase
- R-454B equipment matching and installation support
- Free 10-year parts warranty offer
- Free 5-year labor warranty
- Financing available for qualified buyers
- Installation support in Green Leaf Air service areas
- One point of contact for equipment and installation questions
- Phone support before ordering at (972) 992-5006
Installation requirements differ from one property to another. Before placing the order, confirm whether the quoted installation covers the existing refrigerant lines, thermostat, equipment pad, drain work, duct transitions, electrical changes, gas-line changes, permits, code upgrades, and removal of the old equipment.
Frequently Asked Questions
1. What is the energy efficiency of the Trane 3.5 Ton 15.2 SEER2 Gas System?
The AHRI-matched system is rated at 15.2 SEER2 and 12.0 EER2 for cooling. The included furnace has an 80% AFUE rating, which means approximately 80% of the furnace’s fuel energy is converted into delivered heat under standard test conditions.
Home energy costs will still depend on climate, utility rates, thermostat settings, insulation, duct leakage, and installation quality.
2. Is the Trane S8X1 80000 BTU gas furnace energy efficient?
The S8X1 is an 80% AFUE non-condensing furnace. It is usually considered when the homeowner wants a lower equipment and installation cost than a high-efficiency condensing furnace, or when the existing venting and mechanical-space layout are better suited to an 80% furnace.
Its 80,000 BTUh rating refers to fuel input. The published heating output is approximately 64,700 BTUh.
3. What type of refrigerant does this Trane AC system use?
This Trane AC and gas furnace system uses R-454B refrigerant. The outdoor condenser and indoor cased coil are both made for R-454B operation.
R-454B equipment should not be mixed with an indoor coil designed only for R-410A. Refrigerant compatibility, line sizing, charging, and required safety components should be confirmed by the installer.
4. Is this Trane HVAC system ENERGY STAR certified?
The complete matched system may qualify for ENERGY STAR certification when installed using the equipment combination listed on the applicable AHRI certificate. Certification and rebate eligibility should be verified using the current AHRI record and the requirements for the installation location.
ENERGY STAR status should not be assigned to the outdoor condenser by itself because system efficiency depends on the complete indoor and outdoor equipment match.
5. Can this system be installed in any home layout?
The furnace and cased coil support upflow, downflow, horizontal-left, and horizontal-right configurations. This covers many residential installations, but it does not mean the package will fit every property without modification.
Available mechanical-room space, duct dimensions, return-air configuration, furnace venting, gas supply, electrical service, drain routing, and local codes must be reviewed before installation.
6. How quiet is the Trane gas furnace and AC condenser during operation?
Trane publishes a 71 dBA sound-power rating for the 5TTR5042A condenser. Actual sound at the property will depend on the installation location, distance from windows, equipment pad, surrounding walls, refrigerant piping, and maintenance condition.
The furnace uses an ECM blower and an Air-Tite steel cabinet. Correct airflow setup is important because excessive static pressure can increase indoor airflow noise.
7. What is included in this complete Trane HVAC system package?
This package includes:
- Trane 5TTR5042A1000 3.5 ton R-454B outdoor AC condenser
- Trane S8X1C080M5PSC 80,000 BTUh 80% AFUE gas furnace
- Trane 5TXCC007AS3HC multi-positional R-454B cased coil
- Professional installation
A free 10-year parts warranty offer, free 5-year labor warranty, and financing options are also displayed with the package.
Because installation conditions vary, Green Leaf Air should confirm any additional work or materials after reviewing the existing HVAC system and property.
8. What are the benefits of a single-stage gas furnace like the S8X1?
A single-stage furnace operates at its full heating output whenever there is a call for heat. The design has fewer operating stages than a two-stage furnace and generally carries a lower initial purchase price.
The S8X1 also uses a nine-speed constant-torque ECM blower, allowing the installing technician to select airflow that matches the cooling system and duct conditions.
9. How durable is this Trane system in harsh weather conditions?
The outdoor condenser has full-sided galvanized steel louvered panels, a weather-resistant powder-painted cabinet, corrosion-resistant fasteners, and a DuraTuff base pan. These parts protect the coil and cabinet from routine outdoor exposure.
The outdoor unit must still be installed with the required clearances and kept free of leaves, grass, snow, and other airflow restrictions. Properties near saltwater may require additional corrosion-protection measures.
10. Who should consider this Trane 3.5 Ton system?
This package is intended for homeowners whose load calculation supports a 3.5 ton cooling system and whose heating requirements are suitable for an 80,000 BTUh input furnace.
Square footage alone should not be used to select an AC unit. Climate, ceiling height, insulation, window area, orientation, air leakage, occupancy, and ductwork can significantly change the required capacity.
Homeowners planning a complete Trane AC replacement in Dallas, Greensboro, Wilmington, or another Green Leaf Air installation area can contact the company for sizing, compatibility, financing, and installation information before ordering.






Isaac (verified owner) –
Perfect temperature control with handy app features.
Ryder (verified owner) –
Perfect temperature control with handy app features.
Owen (verified owner) –
Reliable and keeps the whole house comfortable.
Richard (verified owner) –
Quiet, effective, and easy to maintain.
David (verified owner) –
Compact, efficient, and cools the room in no time.
Nolan (verified owner) –
Cools quickly and runs quietly. Perfect for summer!