Overview of Trane XC80 80000 BTUh 80% AFUE Gas Furnace
The Trane XC80 80000 BTUh 80% AFUE Two-Stage Gas Furnace TUD2C080ACV42 is built for homeowners who need steady heating, better airflow control, and reliable winter comfort from a Trane gas furnace. This model uses two-stage gas heat and a variable-speed blower to help reduce temperature swings compared with a basic single-stage furnace.
If you are comparing Trane XC80 furnace price, 80000 BTU furnace cost, or a Trane furnace replacement, this model gives you a strong 80% AFUE upflow and horizontal gas furnace option. It is a practical choice for homes that need an 80000 BTU furnace with ComfortLink II communicating support, Comfort-R humidity control, and durable Trane furnace construction.
This is not a 95% or 96% condensing furnace, not a single-stage furnace, and not a Trane S Series furnace. It is an XC80 two-stage variable-speed gas furnace designed for upflow and horizontal installation.
Features of Trane XC80 80000 BTUh Gas Furnace TUD2C080ACV42
- 80000 BTUh heating capacity
- 80% AFUE efficiency rating
- Two-stage gas heating for better comfort control
- Variable-speed blower motor for steadier airflow
- Upflow and horizontal installation support
- ComfortLink II communicating capability
- Communicating user interface
- Comfort-R humidity control support
- Durable silicon nitride hot surface igniter
- Multi-port in-shot burners
- One-piece aluminized steel heat exchanger with no welds
- Heavy-gauge, two-tone powder-painted cabinet
- Insulated cabinet for quieter operation
- 24V fuse for control protection
- Compatible with select air cleaners, humidifiers, and energy recovery ventilation accessories
Specifications of Trane XC80 TUD2C080ACV42 Gas Furnace
| Gas Furnace Specification | Details |
|---|---|
| Brand | Trane |
| Series | XC80 |
| Model Number | TUD2C080ACV42 |
| Unit Type | Gas Furnace |
| Heating Capacity | 80000 BTUh |
| AFUE | 80% AFUE |
| Heating Stage | Two Stage |
| Fan Speed | Variable Speed |
| Blower Type | Direct Drive |
| Motor Horsepower | 3/4 HP |
| Configuration | Horizontal, Upflow |
| Fuel Type | Natural Gas, Propane |
| Gas Valve Stages | Two-Stage |
| Ignition System | Hot Surface Ignition |
| Communicating | Yes |
| ComfortLink II | Yes |
| Comfort-R | Yes |
| Condensing | No |
| Voltage | 115V |
| Phase | Single Phase |
| Amp Rating | 10.7, 15 Amp |
| Maximum Fuse Size | 20 Amp |
| Flue Size | 4 Inch |
| Furnace Height | 40 Inch |
| Furnace Width | 21 Inch |
| Furnace Depth | 28 Inch |
| Tonnage | 4 Ton |
| Energy Star Compliant | No |
Why Buy This Trane XC80 Gas Furnace from Green Leaf Air?
This Trane XC80 80000 BTUh gas furnace is a good choice if you want an 80% AFUE two-stage furnace with variable-speed airflow instead of a basic heating unit. Green Leaf Air helps you review furnace size, gas type, venting, electrical needs, thermostat compatibility, and installation requirements before ordering.
It is a strong fit for homeowners replacing an older 80000 BTU furnace, comparing Trane XC80 furnace cost, or looking for a Trane gas furnace with installation support.
Before ordering, confirm final sizing, fuel type, venting setup, electrical requirements, thermostat match, installation scope, and available warranty details with Green Leaf Air.


Lucas (verified owner) –
Efficient, quiet, and great for any home.
Samuel (verified owner) –
Good service.
Matthew (verified owner) –
Quick installation and works flawlessly.
Bryan (verified owner) –
Cools quickly and runs quietly. Perfect for summer!
John (verified owner) –
Keeps every room at a perfect temperature.
Phoenix (verified owner) –
Keeps my home perfectly cool. Love it!
Max (verified owner) –
Amazing efficiency and whisper-quiet operation.
Edward (verified owner) –
Compact, efficient, and cools the room in no time.
Kai (verified owner) –
Energy-efficient and super reliable. Highly recommend!
Anthony (verified owner) –
Quick installation and works flawlessly.
Tyler (verified owner) –
Keeps every room at a perfect temperature.
Kayden (verified owner) –
Compact, efficient, and cools the room in no time.