Bryant 880TAEvolution™ 80 Two-Stage Gas Furnace
80%
Two-Stage
Variable-Speed
Two-stage non-condensing furnace with variable-speed comfort. Ideal for attics, garages, and existing standard vent systems in Portland homes.
How the Bryant 880TA Solves Portland Heating Challenges
Perfect for unconditioned spaces, existing vent systems, and simpler maintenance needs
Attic and Garage Installations
Many Portland homes have furnaces in unconditioned attics or garages where winter temps can drop near freezing. Condensing furnaces (96%+) require PVC drain lines that can freeze. The 880TA is a non-condensing design with standard metal venting—no drain lines to freeze, making it ideal for these locations.
Reliable operation in unconditioned spaces without the freeze risk of condensing furnace drain systems.
Replacement for Standard Vent Systems
Older Portland homes have existing metal chimneys or B-vent systems. Upgrading to a condensing furnace requires expensive PVC venting installation. The 880TA uses your existing standard venting, saving $1,500-3,000 in installation costs while still providing two-stage comfort.
Lower installation cost by reusing existing metal venting—no need for PVC vent pipe installation.
Two-Stage Comfort for Mild Winters
Portland winters rarely drop below 30°F. The 880TA runs on low stage (67% capacity) most of the time, providing consistent warmth without the on/off cycling of single-stage furnaces. Variable-speed airflow eliminates hot and cold spots throughout your home.
More even temperatures and better comfort than single-stage models at a lower price than 96% furnaces.
Simpler Maintenance Requirements
Non-condensing furnaces like the 880TA have fewer components than condensing models—no secondary heat exchanger, condensate pumps, or drain systems to maintain. Annual maintenance is straightforward and less expensive, with fewer potential failure points.
Lower annual maintenance costs and simpler repair needs compared to high-efficiency condensing furnaces.
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Bryant 880TA Key Features
Two-Stage Gas Valve
Operates at 67% capacity for mild weather and 100% for peak demand, providing better comfort and efficiency than single-stage models.
Non-Condensing Design
Standard metal venting without drain lines makes the 880TA ideal for attics, garages, and existing vent systems—no freeze risk.
Variable-Speed ECM Blower
Continuously adjusts airflow for consistent temperatures and whisper-quiet operation with 50% lower electrical consumption.
Aluminized Steel Heat Exchanger
Durable construction with 20-year warranty provides reliable heat transfer without condensing complexity.
Evolution Zoning Compatible
Works with Bryant Evolution zoning systems for up to 4-zone control, ideal for multi-story homes and flexible comfort.
DuraGuard Plus™ Cabinet
Weather-resistant powder paint finish protects against rust and corrosion in unconditioned spaces.
Technical Specifications
| Model Number | 880TA |
| Efficiency (AFUE) | 80% |
| Gas Valve Type | Two-Stage |
| Blower Motor | Variable-Speed ECM |
| Heating Capacity | 40,000 - 120,000 BTU/h |
| Fuel Type | Natural Gas / LP Convertible |
| Ignition | Hot Surface Ignition |
| Venting | Standard Metal (B-Vent / Natural Draft) |
| Heat Exchanger | Aluminized Steel (Non-Condensing) |
| Cabinet | DuraGuard Plus™ protection |
Outstanding Warranty Coverage
Long-term protection for reliable equipment
- 20-Year Heat Exchanger - Industry-leading coverage on aluminized steel heat exchanger
- 10-Year Parts - All functional parts covered for 10 years
- Requires installation by Factory Authorized Dealer
- Product registration within 90 days required
Product Documentation
Official Bryant resources
Access the latest brochures, owner's manuals, installation guides, and warranty information directly from Bryant:
View Official DocumentsOpens Bryant.com - Always up-to-date documentation
Why Choose 80% AFUE for Your Portland Home?
Lower Installation Cost
Save $1,500-3,000 by using existing standard venting vs. installing new PVC vents for 96% furnaces.
No Freeze Risk
Non-condensing design means no drain lines to freeze in attics or garages during Portland winters.
Simpler Maintenance
Fewer components mean lower annual maintenance costs and fewer potential repair issues.
Two-Stage Comfort
Enjoy variable-speed comfort and more even temperatures than single-stage models.
Bryant 880TA Installation Throughout Portland Metro
Factory Authorized installation, repair, and maintenance service
Central Portland
Downtown, Pearl District, NW, NE, SE Portland, Sellwood, St. Johns
West Side
Beaverton, Tigard, Lake Oswego, West Linn, Hillsboro, Tualatin
East Side
Gresham, Happy Valley, Milwaukie, Oregon City, Clackamas
What Portland Homeowners Say
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Frequently Asked Questions About the Bryant 880TA
Why choose the 880TA over a 96% AFUE condensing furnace?
The 880TA is ideal when installing in unconditioned spaces like attics or garages, or when you have existing standard metal venting. Condensing furnaces (96%+) produce acidic condensate that requires PVC drain lines—these can freeze in cold attics. The 880TA has no drain lines to freeze. Additionally, if your home has existing B-vent or metal chimney venting, the 880TA saves $1,500-3,000 in installation costs by reusing that venting instead of running new PVC pipes. In Portland's mild climate with long heating seasons, the 880TA's two-stage operation provides excellent comfort at a lower total cost.
What venting options does the 880TA support?
Unlike condensing furnaces requiring PVC venting, the 880TA uses standard metal venting systems—either natural draft through an existing metal chimney, or Category I B-vent piping. This non-condensing design exhausts at higher temperatures (around 300-400°F vs 100-140°F for condensing models), so it doesn't produce the acidic condensate that necessitates PVC drains. This makes the 880TA perfect for Portland homes with existing metal vent systems, and eliminates freeze concerns in unconditioned attic or garage installations.
Can the 880TA work with Evolution zoning?
Yes, the 880TA's variable-speed ECM blower enables up to 4-zone control when paired with Bryant's Evolution Zone Control system. The variable-speed motor adjusts airflow dynamically to maintain comfort in occupied zones while reducing flow to unoccupied areas. This is especially valuable in Portland's multi-story Craftsman homes or homes with finished basements—you can independently control upstairs bedrooms, main floor living areas, and basement spaces. While the 880TA is an 80% AFUE model, its variable-speed zoning capability rivals higher-efficiency furnaces in delivering customized comfort throughout your home.
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Ideal for attics, garages, and existing standard vent systems