Review
The Goodman 3.5-ton system arrives as a straightforward gas furnace and air conditioner combo engineered for contractors and homeowners who need dependable performance without unnecessary complexity. Goodman has built its reputation on no-frills, affordable equipment, and this upflow configuration suits typical residential installations. The A-coil design and variable-speed blower integrate cleanly into standard ducting, making it accessible for both new builds and replacements.
The real strength sits in the furnace section, boasting a 97% AFUE rating and modulating burner that adjusts flame height in multiple stages rather than simple on/off cycling. Heating output reaches 100,000 BTU, sufficient for most residential homes. The cooling side delivers 42,000 BTU with a scroll compressor and 16 SEER1 efficiency rating. The variable-speed ECM blower motor handles up to 2,000 CFM, ensuring balanced comfort during both heating and cooling seasons. Electrical requirements are moderate: 115V single-phase, 60Hz, with breaker sizing between 23.5 and 40 amps.
Pros & Cons
Pros
- 97% AFUE furnace efficiency translates to minimal heating waste and lower gas bills during winter months
- Modulating burner stages adjust output smoothly, reducing cycling and improving comfort while maximizing efficiency
- Variable-speed ECM blower motor handles up to 2,000 CFM with precise airflow control, enhancing both heating and cooling distribution
- ENERGY STAR certified with 16 SEER1 rating on the cooling side, qualifying for utility rebates in many markets
- Scroll compressor design is proven reliable in Goodman equipment and runs quieter than reciprocating alternatives
Cons
- Single-stage cooling condenser limits part-load efficiency during mild weather, so cooling performance is solid but not exceptional
- 73 dB noise level is moderate, noticeable during operation if condenser is near living spaces
- Spec sheet lists conflicting tonnage: product title claims 3.5 tons but specs show 5 tons, creating confusion about actual capacity
Who Should Buy
Best For
Contractors and homeowners in mixed-climate zones who heat regularly and need reliable, efficient equipment without premium pricing. This system rewards customers with high heating runtimes, making the 97% AFUE furnace the real value driver.
Consider Alternatives If
Buyers in hot climates where cooling dominates should explore variable-capacity systems. Those expecting ultra-quiet operation or top-tier SEER ratings should look at premium manufacturers instead.
Installation
Upflow configuration fits standard return-air floor installations found in basements and crawlspaces. PVC flue venting simplifies installation compared to metal alternatives. The right-side flue location provides flexibility for most home layouts. Weight of 48 pounds makes solo handling manageable. Refrigerant lines come with 1/2-inch suction line insulation and extend 50 feet, adequate for most residential applications without additional insulation cost.
Warranty & Reliability
Ten-year coverage with online registration protects against manufacturing defects across the entire system. This is standard in the mid-range category and demonstrates Goodman's confidence in the product. Registration is straightforward and strongly recommended, as it activates the full term. Coverage includes compressor and major components, though homeowners should review specific exclusions before purchase.
Specifications
| SKU | LS381183850 |
| 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) | 48.000000 |
| 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 | 40 amps |
| Min. Breaker Size | 23.5 amps |
| Tonnage | 5 Ton |
| 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. |
| 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 | 7424267 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| 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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