Review
The Goodman 3-ton horizontal furnace and AC system represents the lower-middle tier of residential HVAC equipment. At 80% AFUE and 14 SEER, it meets baseline efficiency codes without pushing into premium territory. This unit appeals primarily to contractors doing cost-conscious replacements and homeowners who need functional equipment without premium pricing. The horizontal configuration adds practical value for installations where vertical space is limited, making it genuinely useful for many existing homes.
Heating performance delivers 80,000 BTU output from a two-stage burner, ensuring reasonable comfort in moderate climates. The 14 SEER air conditioning side produces 36,000 BTU cooling capacity with a scroll compressor and single-stage condenser. Maximum airflow reaches 2,000 CFM through the multi-speed blower motor, allowing the system to adapt to different duct configurations. The 208/230V single-phase electrical requirement fits standard residential panels without upgrade needs in most homes.
Pros & Cons
Pros
- Two-stage burner and multi-speed blower provide better humidity control and temperature consistency than single-stage alternatives
- 14 SEER rating delivers solid cooling efficiency, translating to lower summer electricity bills for a 3-ton system
- 80,000 BTU heating capacity covers most 2,000-2,500 square foot homes adequately
- Horizontal configuration makes it suitable for attics, basements, and tight crawl spaces where upflow models won't fit
- 10-year warranty with online registration provides meaningful coverage for residential buyers
- Scroll compressor design is proven reliable and simpler to service than reciprocating alternatives
Cons
- 80% AFUE is outdated by today's standards, where 95% AFUE systems are becoming the baseline in many regions
- Not Energy Star certified, meaning higher operating costs compared to 90+ AFUE competition
- 73 dB noise level is moderately loud for a residential system, noticeable during operation
- R410A refrigerant is being phased out in favor of R454B and other next-generation options
Who Should Buy
Best For
Contractors and homeowners in areas where code allows 80% AFUE furnaces and who prioritize upfront cost savings over long-term efficiency gains. This system makes sense for rental properties, secondary residences, or climates with mild winters where heating run time stays reasonable.
Consider Alternatives If
Anyone prioritizing energy savings or living in cold climates should invest in 95% AFUE equipment instead, which recovers the price premium within 5-7 years through lower gas bills.
Installation
Installation is straightforward for experienced technicians. The horizontal A-coil design requires proper line set routing with 3/4 inch suction line insulation to prevent efficiency loss. Metal exhaust flue is mandatory for the gas furnace. Weight of 35 pounds makes it manageable for one person to position, though attic installations require careful maneuvering through joists and framing. Electrical connections are simple, needing 18.7 to 30 amp breaker sizing depending on final configuration.
Warranty & Reliability
Online Supply backs this unit with a 10-year parts warranty when you register the product after purchase. This is competitive for mid-tier equipment and covers compressor failure, heat exchanger defects, and major component breakdowns. Registration is straightforward online. The warranty doesn't cover refrigerant, labor, or damage from improper installation, so professional setup is important.
Specifications
| SKU | LS38343830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 36,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 208 / 230v 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 35.000000 |
| Feature | Spec |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Multi-Speed |
| Maximum CFM | 2000 |
| Configuration | Horizontal |
| Burner Stages | Two |
| Fuel Type | Gas |
| Height | 21" |
| Width | 21.125" |
| Depth | 26" |
| Resources | CHPF Installation Manual CHPF Specifications Sheet Goodman Evaporator Coil 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. |
| Energy Star | No |
| SEER1 (Efficiency) | 14 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Line | 3/8" |
| Suction Line | 3/4" |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 30 Amps |
| Min. Breaker Size | 18.7 Amps |
| Tonnage | 3.5 Ton |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/4" |
| Length | 30 feet |
Frequently Asked Questions
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