Review
The Goodman 3.5 Ton gas furnace and air conditioner system stands as a mainstream choice for homeowners balancing performance and budget. This upflow A-coil configuration suits retrofit applications where existing ductwork and clearances favor vertical mounting. Goodman's market position emphasizes contractor-friendly service networks and parts availability over premium features, making this system practical for builders and HVAC professionals installing reliable mid-tier equipment.
Performance specs show a 96% AFUE heating efficiency and 14 SEER cooling capacity, translating to measurable utility bill reductions for households replacing older 80-85% furnaces. The 100,000 BTU furnace output handles most residential heating loads, while the 42,000 BTU cooling capacity properly matches the 3.5 ton rating for balanced heating and cooling. Single-stage scroll compressor operation means efficiency stays consistent rather than modulating, a trade-off typical at this price point.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means 96 cents of every heating dollar converts to usable heat, substantially lower operating costs than 80-85% models
- 14 SEER cooling rating qualifies as above-average for single-stage systems, reducing summer energy consumption noticeably
- Scroll compressor is proven reliable across thousands of installations with relatively low failure rates
- Multi-speed blower motor provides flexibility for different comfort and efficiency scenarios
- 10-year warranty with online registration covers both heating and cooling components
Cons
- Single-stage compressor and burner limit modulation, so efficiency gains versus variable-capacity units are capped
- 73 dB noise level is audible during operation, notable for sound-sensitive homeowners or tight quarters
- Not ENERGY STAR certified, missing federal efficiency badging that some utilities incentivize
Who Should Buy
Best For
Homeowners with existing ductwork seeking a dependable all-in-one heating and cooling solution in moderate climate zones. Contractors valuing straightforward installation and Goodman's parts availability will appreciate the upflow A-coil design and standard electrical requirements.
Consider Alternatives If
Buyers prioritizing maximum efficiency or quiet operation should explore variable-capacity systems or higher SEER ratings, as this model caps out at mid-range performance.
Installation
Upflow A-coil design requires vertical installation space around 34.5 inches tall and 21 inches wide. The system accepts standard 115V, 60Hz single-phase power with 22 to 35 amp breaker sizing, compatible with most residential panels. PVC plastic exhaust flue venting simplifies installation versus metal ductwork, and the 3/8 inch liquid line with 7/8 inch suction line connect to existing refrigerant loops without modification.
Warranty & Reliability
Goodman covers this system for 10 years on parts and labor when you register online after purchase. This is industry-standard for mid-range equipment and provides meaningful protection against compressor failure and heat exchanger defects. Warranty registration is straightforward but required, so save documentation during installation.
Specifications
| SKU | LS38783830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Energy Star | No |
| SEER1 (Efficiency) | 14 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 35 amps |
| Min. Breaker Size | 22 amps |
| Tonnage | 5 Ton |
| Height | 34.5" |
| Width | 21" |
| 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 | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 2000 |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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