Review
Goodman's 2.5 Ton gas furnace and air conditioner system targets the middle market where balanced heating and cooling needs justify premium efficiency equipment. The 97% AFUE furnace and SEER 16 condenser position it as an Energy Star qualified unit, appealing to cost-conscious homeowners and contractors managing retrofit projects. This downflow A-coil configuration adapts well to basement installations and tight mechanical closets where space constraints eliminate other options.
Heating output reaches 80,000 BTU through a modulating burner that adjusts flame intensity across multiple stages, reducing temperature swings and improving comfort. The variable-speed ECM blower motor maximizes airflow up to 1,200 CFM while consuming less electricity than fixed-speed alternatives. The R410A refrigerant loop achieves SEER 16 efficiency with a scroll compressor operating at 115V single-phase power, drawing between 17.1 and 25 amps depending on load. However, actual cooling BTU specifications appear inconsistent across the documentation, warranting vendor clarification before purchase.
Pros & Cons
Pros
- 97% AFUE furnace efficiency minimizes natural gas waste, reducing monthly heating costs significantly
- SEER 16 air conditioner exceeds Energy Star requirements for summer cooling efficiency
- Modulating burner stages adjust heating output precisely, preventing overshooting and improving comfort
- Variable-speed ECM blower motor runs only as fast as needed, cutting electricity consumption
- A-coil downflow configuration fits tight spaces above basement furnaces or in attics
Cons
- Spec sheet lists conflicting tonnage (2.5 Ton in title but 3 Ton in specs), creating confusion during ordering
- 29,000 cooling BTU specification contradicts 3 Ton rating (should equal 36,000 BTU), suggesting data errors
- Single-stage compressor limits efficiency compared to variable-capacity alternatives in variable-load scenarios
Who Should Buy
Best For
Contractors and homeowners in mixed climates where heating and cooling demands are roughly equal throughout the year. This system rewards consistent usage patterns in regions like the Upper Midwest or Mid-Atlantic, where the 97% AFUE and high cooling efficiency deliver measurable utility bill reductions.
Consider Alternatives If
Anyone in heating-dominant climates should explore higher AFUE models, and those in cooling-heavy regions may prefer variable-capacity compressors for better part-load efficiency.
Installation
Downflow installation suits attics, basements, or utility closets where return air enters from above and supply plenum exits downward. The right-side flue exit requires plastic or PVC ductwork and proper slope for condensate drainage. Refrigerant lines use 3/8 inch liquid and 7/8 inch suction ports with 3/4 inch insulation thickness. Electrical connection demands a 20 to 25 amp breaker at 115V, 60 Hz single phase. Most contractors complete installation in 4 to 6 hours on standard replacements.
Warranty & Reliability
Goodman provides 10 years of parts coverage with online registration, protecting against compressor failure and heat exchanger defects without labor cost coverage. Registration adds minimal effort but is mandatory to activate the full warranty period. This duration matches most competitors in the efficiency tier, though some premium brands extend to 12 years on premium units.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 29,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| 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 Ton |
| Height | 34.5" |
| Width | 17.5" |
| 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 | 7424270 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1200 |
| Flue Location | Right |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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