Review
The Goodman 3.5-ton gas furnace and air conditioner system occupies a practical middle ground in the HVAC market. Goodman brand equipment has built solid contractor trust through dependable performance and reasonable pricing. This upflow configuration handles both furnace and AC duties, making it a complete solution for homeowners replacing aging split systems. The unit measures 30 inches tall by 21 inches wide by 21 inches deep, fitting standard installation spaces.
Performance specs show a 96% AFUE furnace firing 100,000 BTU with two-stage burner control, paired with a 42,000 BTU cooling capacity at 16 SEER2 rating. The multi-speed ECM blower motor delivers up to 1600 CFM, adjusting output based on actual heating and cooling demand. At 73 dB, noise levels are acceptable for residential installation. The single-stage condenser with scroll compressor keeps complexity manageable, though it sacrifices part-load efficiency that dual-stage units offer.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means lower winter heating bills and minimal energy waste
- 16 SEER2 cooling rating delivers solid air conditioning performance for 3.5-ton loads
- Two-stage burner and single-stage compressor reduce short-cycling and improve comfort consistency
- Multi-speed ECM blower motor runs efficiently across demand levels, not just full speed
- PVC flue compatibility simplifies venting in modern homes without masonry chimneys
- 10-year warranty with online registration provides reasonable protection for both components
Cons
- 73 dB noise level is moderate, noticeable at full speed during winter heating cycles
- Single-stage condenser limits ability to modulate cooling capacity in mild weather
- Specs show both 5-ton tonnage and 3.5-ton designation, creating potential ordering confusion
- R22 refrigerant compatibility adds complexity since R22 is being phased out
Who Should Buy
Best For
Contractors installing systems in Midwest and Northern climates where heating efficiency is critical will appreciate the 96% AFUE rating. Homeowners replacing older 80-85% AFUE furnaces will see measurable winter savings while getting competent cooling performance.
Consider Alternatives If
Homes in hot climates needing maximum cooling capacity should look at true 4 or 5-ton units with dual-stage compressors for better part-load efficiency.
Installation
Installation requires 208/230V single-phase 60Hz power with breaker sizing between 23.5 and 40 amps. PVC flue venting simplifies routing compared to traditional metal chimneys. Standard lineset lengths measure 3/8-inch liquid line with 1-1/8-inch suction line, both with 1/2-inch insulation good for 50 feet. Technicians should verify existing ductwork matches the 1600 CFM maximum airflow rating.
Warranty & Reliability
Goodman provides a 10-year limited warranty on parts when you register online after purchase. Coverage applies to both furnace and air conditioning components under standard residential use. Registration is straightforward through Goodman's website. This warranty length matches industry standards for mid-tier equipment and provides reasonable protection against manufacturing defects.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 100,000 |
| 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 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi-Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Energy Star | Yes |
| Burner Stages | Two |
| 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. |
| 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. |
| 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 |
| 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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