Review
The Goodman 3-ton upflow gas furnace and air conditioner system represents a straightforward, no-nonsense approach to residential HVAC replacement. At $647, it positions itself as a value-oriented option in a market often dominated by premium-branded equipment at significantly higher price points. Goodman has built its reputation on delivering adequate performance and durability without the marketing overhead of top-tier manufacturers, making this system a practical choice for budget-conscious homeowners and contractors managing replacement cycles.
Performance specs show a 96% AFUE furnace paired with R410A cooling delivering 100,000 BTU heating and 34,800 BTU cooling. The two-stage burner and multi-speed ECM blower provide efficiency advantages over single-stage competitors, though the SEER1 rating of 16 trails newer units hitting 18-20. The 1600 CFM maximum airflow suits typical 3-ton applications, while 208/230V single-phase electrical keeps installation straightforward. Real-world heating efficiency means roughly 4 cents heating cost per 100,000 BTU input compared to nearly 20 cents with 80% AFUE units.
Pros & Cons
Pros
- 96% AFUE furnace efficiency significantly reduces winter heating costs compared to 80% single-stage units
- Two-stage burner adapts to demand, improving comfort and reducing short-cycling
- Multi-speed ECM blower motor runs efficiently at variable speeds depending on heating and cooling load
- PVC/plastic exhaust flue requirement simplifies installation in many retrofit applications
- ENERGY STAR certified, qualifying for utility rebates in many regions
- Price point of $647 is highly competitive for a complete 3-ton gas/AC system
Cons
- SEER1 rating of 16 is solid but not exceptional; newer units reach 18-20 range
- Cooling capacity listed as 34,800 BTU is notably below the 36,000 BTU standard for 3-ton systems, suggesting limited cooling headroom
- Single-stage condenser means cooling doesn't modulate, running at full capacity until temperature is reached
- 73.5 dBA noise level is moderate to slightly elevated; quieter models exist at higher price points
Who Should Buy
Best For
Homeowners in heating-dominant climates replacing 15-20 year old systems and contractors building cost-conscious replacement packages. This unit delivers measurable efficiency gains over legacy equipment without requiring major ductwork modifications or electrical upgrades in most homes.
Consider Alternatives If
Those in hot climates where cooling is the primary need should look at single-stage or two-stage cooling systems with higher SEER2 ratings, as this unit's cooling capacity and efficiency are modest.
Installation
This upflow configuration installs in attics, basements, or closets where horizontal placement works. The PVC exhaust flue requirement simplifies installation compared to metal vent systems, particularly in retrofit applications. Standard 208/230V single-phase power with 18.7-30 amp breaker requirement fits existing home electrical panels in nearly all residential installations. Multi-speed motor and scroll compressor require proper refrigerant charging, making professional installation advisable despite reasonable complexity.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty upon online registration. This coverage is competitive at this price point, protecting against compressor or heat exchanger failure. Registration is essential, as warranty defaults to 5 years without it. Covers defects in materials and workmanship but excludes labor costs, making service contracts or extended warranties worth considering.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 100,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73.5 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi-Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Energy Star | Yes |
| Burner Stages | Two |
| Fuel Type | Gas |
| Height | 38.25" |
| Width | 29" |
| Depth | 29" |
| Resources | Goodman Brochure Goodman Specifications Goodman Installation Manual Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts Manual 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. |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Tonnage | 3 Ton |
| Style | A-Coil |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 30 amps |
| Min. Breaker Size | 18.7 amps |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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