Review
Goodman's 2.5-ton downflow system positions itself as a practical mid-tier solution in the residential HVAC market. The 80,000 BTU heating capacity and 29,000 BTU cooling output handle typical 2,000-2,500 square foot homes effectively. Distributed through Online Supply, this unit carries Goodman's established reputation for no-frills reliability. The downflow configuration works well in basements or utility closets where horizontal discharge is necessary. Energy Star certification signals efficiency-conscious design without premium pricing.
Performance numbers justify the efficiency focus. The 96% AFUE furnace converts almost all fuel to usable heat, compared to 80-88% in older equipment. The 16 SEER2 air conditioner rating represents strong cooling performance, particularly for moderate climates. The variable-speed ECM blower motor continuously adjusts to system demands rather than cycling on and off, reducing temperature swings and cutting electricity use. Two-stage burner operation allows the furnace to run at 60% capacity during shoulder seasons, improving comfort and reducing short-cycling.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs by 10-15% compared to 80% AFUE equipment
- 16 SEER2 cooling rating qualifies for Energy Star and most rebate programs
- Variable-speed ECM blower motor adjusts output to match heating and cooling demand
- Two-stage burner operates at partial capacity during mild weather, improving comfort and efficiency
- 10-year warranty with online registration provides solid peace of mind protection
- Plastic PVC exhaust flue option simplifies installation in many retrofit scenarios
- Scroll compressor is proven reliable architecture used across Goodman's lineup
Cons
- Single-stage compressor limits the modulation benefits of the two-stage furnace design
- 71.5 dBA noise level is audible in living spaces during operation
- 3/8-inch liquid line size may require field modifications on some existing systems
Who Should Buy
Best For
Homeowners replacing 15+ year old furnace and AC systems who prioritize energy efficiency and can benefit from rebates. Also suitable for contractors managing new construction projects where downflow configuration fits ductwork layout.
Consider Alternatives If
Buyers seeking variable-capacity cooling should look for units with dual-stage or modulating compressors instead of this single-stage design.
Installation
Downflow configuration requires overhead ductwork or basement return paths. The 34.5-inch height and 21-inch width fit most utility closets. Plastic PVC exhaust venting simplifies installation compared to metal pipes. Two-stage operation and ECM motor integration need proper thermostat support, though most modern thermostats handle these features. Refrigerant line sizing at 3/8-inch suction and 7/8-inch discharge follows industry standards.
Warranty & Reliability
The 10-year warranty requires online registration to activate. Coverage applies to defects in materials and workmanship under normal operation. This warranty length matches competitor offerings at this price point. Registration ensures Goodman can contact you about recalls or technical updates. Standard exclusions apply for improper installation or maintenance.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 29,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71.5 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Energy Star | Yes |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 25 amps |
| Min. Breaker Size | 17.1 amps |
| Tonnage | 3.5 Ton |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman Warranty You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here. |
| Configuration | Downflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7368843 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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