Review
The Goodman 3.5-ton furnace and AC system positions itself as a practical middle-ground solution for residential HVAC replacement. Manufactured by Online Supply under the Goodman brand, this upflow-configured unit combines a gas furnace with an A-coil evaporator in one integrated package. The system qualifies for Energy Star certification and appeals to budget-conscious contractors and homeowners seeking efficiency improvements without premium pricing.
Performance specs show solid capabilities across both heating and cooling. The furnace delivers 42,000 BTU heating at 96% AFUE, meaningfully higher than typical 80-92% units found in older homes. The AC coil achieves 16 SEER2 cooling efficiency with a scroll compressor, though single-stage operation means it runs at full capacity rather than modulating demand. The multi-speed blower motor handles up to 1,600 CFM and works across upflow/horizontal configurations. Electrical requirements of 208-230V, 1-phase 60Hz fit standard residential wiring.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs substantially compared to 80-90% units
- 16 SEER2 rating on AC coil delivers strong cooling efficiency and Energy Star qualification
- Multi-speed blower motor adjusts airflow intelligently, improving comfort and efficiency
- PVC exhaust compatible, lowering installation costs versus metal flue requirements
- 10-year warranty with online registration provides meaningful protection for mid-range system
Cons
- Single-stage burner and compressor limit modulation, reducing part-load efficiency and comfort
- Product specs show conflicting tonnage (listed as both 3.5 and 5 ton), creating confusion
- 73 dB noise level runs louder than variable-speed competitors, noticeable in quiet homes
- R410A refrigerant increasingly phased out, raising long-term servicing costs
Who Should Buy
Best For
Contractors seeking reliable equipment for standard 3.5-ton residential replacements, and homeowners in climates with moderate heating and cooling demands looking for solid efficiency without variable-stage complexity. Best suited for upflow/horizontal duct configurations in homes 1,500-2,200 square feet.
Consider Alternatives If
Anyone needing whisper-quiet operation, extreme efficiency demands, or long-term refrigerant availability should explore variable-stage systems or R32-compatible alternatives instead.
Installation
Installation complexity is moderate. The unit requires 208/230V single-phase power with breaker sizing between 22.4 and 35 amps, well within typical residential electrical service. PVC exhaust flue compatibility simplifies venting work compared to rigid metal requirements. Refrigerant lines use standard sweat connections with 3/8-inch liquid and 1 1/8-inch suction lines. Upflow/downflow flexibility accommodates various ductwork layouts, though field technicians must confirm existing duct sizing matches the 1,600 CFM maximum airflow.
Warranty & Reliability
Coverage includes a 10-year parts warranty when registered online with the manufacturer. This protection level is competitive for mid-range systems but requires timely registration to activate. The warranty covers refrigerant leaks and compressor failures, though labor costs fall on the homeowner. Extended warranties are typically available through HVAC contractors at point of sale.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 42,000 |
| Refrigerant | R410A or R22 |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| Height | 30" |
| Width | 21" |
| Depth | 21" |
| Resources | CAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents. |
| Product Features | Rebate Available |
| 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 | 35 amps |
| Min. Breaker Size | 22.4 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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