Review
The Goodman 3-ton gas furnace and air conditioner system positions itself as a practical middle ground for residential HVAC replacements. At $2,162.95, this upflow unit targets contractors and homeowners who want measurable efficiency gains without stepping into premium pricing. The two-stage condenser and variable-speed blower represent genuine engineering, not just marketing polish. Energy Star certification confirms legitimate performance standards. This system has genuine traction in the replacement market where older 13-14 SEER equipment is still common.
Performance specs reveal genuine capability. The condenser delivers 18 SEER rating and 35,000 cooling BTU, while the furnace achieves 80% AFUE with a two-stage burner burning natural gas or propane at 60,000 BTU maximum input. Scroll compressor technology runs at 71 dB, meaningfully quieter than reciprocating designs. The variable-speed blower tops out at 1,600 CFM, providing nuanced airflow management across seasons. Refrigerant compatibility with R410A or R22 ensures flexibility for various retrofit scenarios. Sweat valve connections allow straightforward piping integration.
Pros & Cons
Pros
- 18 SEER rating on the condenser beats many competitors in this price range by 2-3 points
- 80% AFUE furnace with two-stage burner provides responsive heating and lower gas consumption
- Two-stage scroll compressor reduces noise to 71 dB and extends component lifespan through staged operation
- Variable-speed blower motor with 1,600 CFM maximum adapts to load conditions, improving comfort
- 120V single-phase electrical requirement simplifies installation in standard residential panels
- 10-year warranty with online registration provides meaningful coverage for the investment
Cons
- Tonnage specification lists 5 tons for the condenser unit, creating potential oversizing concerns for true 3-ton heating applications
- 35,000 cooling BTU falls short of the claimed 3-ton rating, which typically requires 36,000 BTU minimum for proper capacity
- Metal exhaust flue requirement adds installation costs if existing venting doesn't meet specifications
Who Should Buy
Best For
Homeowners in mixed climates needing balanced heating and cooling capacity at reasonable cost, plus contractors managing mid-tier residential projects where equipment quality matters more than premium features.
Consider Alternatives If
Buyers with strict 3-ton specifications should verify the tonnage discrepancy before purchase, and those prioritizing SEER2 ratings over SEER1 should research if this unit has been SEER2 tested.
Installation
Installation complexity remains moderate. The unit accepts 120V single-phase power on a 21.3 to 35-amp breaker, fitting standard residential electrical configurations without upgrades. Sweat valve connections require basic soldering skills or HVAC technician involvement. The A-coil style measures 21 inches wide by 21 inches deep by 8 inches tall, fitting most standard closets. Metal exhaust flue requirement mandates venting verification before ordering. Professional installation remains recommended despite straightforward specs.
Warranty & Reliability
Goodman provides 10 years of warranty coverage, activated through online registration. This is industry-standard protection for mid-tier equipment and covers manufacturing defects. The registration requirement is straightforward but must be completed within 90 days of installation to activate. Coverage typically excludes installation issues, refrigerant loss, and normal wear, so read terms carefully before relying on warranty protection.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 60,000 |
| Refrigerant | R410A or R22 |
| Electrical | 120 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Product Features | Two Stage Condenser |
| Energy Star | Yes |
| SEER1 (Efficiency) | 18 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 35 amps |
| Min. Breaker Size | 21.3 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Height | 8 inches |
| Width | 21 inches |
| Depth | 21 inches |
| Resources | RectorSeal SST2 Transition Installation Manual RectorSeal SST2 Transition Product Data Sheet 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. |
| AHRI Certificate Number | 204633301 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Variable Speed |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Replaces | SST-BC-R6 |
| Equivalent | DF19834 |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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