Review
The Goodman 3 Ton dual-fuel system positions itself as the smart middle ground in HVAC equipment, offering legitimate efficiency without flagship pricing. At $3,309, this combination furnace and air conditioner targets contractors and homeowners tired of choosing between performance and budget constraints. The upflow configuration and A-coil design work well in attic or basement installations common across North America, making this a practical replacement for dated equipment.
Performance numbers tell a strong story here. The furnace delivers 80,000 BTU output with 96% AFUE efficiency, meaning minimal heating energy escapes through exhaust. The air conditioning side produces 34,800 BTU cooling with a 16 SEER rating, surpassing the advertised 14 SEER specification. The variable-speed ECM blower reaches 1200 CFM maximum, allowing flexible airflow that adapts to seasonal demands and room layouts rather than cycling at fixed speeds.
Pros & Cons
Pros
- 96% AFUE furnace with two-stage burners minimizes fuel waste and reduces heating costs significantly
- 16 SEER rating exceeds the stated 14 SEER, offering better cooling efficiency than advertised
- Variable-speed ECM blower motor delivers up to 1200 CFM while maintaining comfort and reducing energy use
- Energy Star certified with rebate availability, lowering net installation cost for qualified buyers
- 10-year warranty with online registration provides solid peace-of-mind coverage at this price point
Cons
- Single-stage cooling compressor means less precise temperature modulation than two-stage units in mild weather
- 73.5 dB operating noise is slightly above quieter models, noticeable in open-concept homes
- Requires proper PVC exhaust venting, adding installation complexity and cost compared to older systems
Who Should Buy
Best For
Homeowners in areas with both heating and cooling demands who value efficiency over premium features, and contractors seeking reliable equipment at accessible pricing. This unit works especially well for properties where natural gas and propane flexibility matters.
Consider Alternatives If
Buyers in exclusively mild climates or those prioritizing whisper-quiet operation should explore single-fuel systems or variable-capacity units with better noise ratings.
Installation
Installation requires standard 115V single-phase 60Hz electrical service with a 30-amp maximum breaker sized for 18.7 amps minimum draw. The unit's compact footprint (34.5 inches tall, 17.5 inches wide, 28.75 inches deep) fits most standard return plenums. PVC exhaust venting is mandatory, requiring proper slope and condensate drainage for safe operation and equipment longevity.
Warranty & Reliability
Goodman's 10-year parts and labor warranty activates upon online registration, giving you solid coverage without purchasing extended plans. This standard warranty ranks competitively for this price tier and reflects Goodman's manufacturing confidence. Registration is essential, as unregistered units carry shorter coverage periods.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73.5 |
| 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 | 30 amps |
| Min. Breaker Size | 18.7 amps |
| Tonnage | 3 Ton |
| Height | 34.5" |
| Width | 17.5" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Install 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 | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7368834 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1200 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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