Review
The Goodman 3 Ton Gas Furnace and Air Conditioner System positions itself as a value-oriented choice for contractors and DIY homeowners tackling equipment replacements. At $89 and featuring 96% AFUE heating efficiency paired with 18 SEER cooling, it competes directly with mid-range systems from Lennox and Carrier. The upflow configuration suits most residential installations, while the two-stage design across both heating and cooling improves part-load efficiency. This is solid workhorse equipment rather than cutting-edge technology.
Performance specs reveal a capable system with real-world efficiency advantages. The 100,000 BTU heating output at 96% AFUE means approximately 96,000 BTU reaches your home, minimizing waste. The variable-speed ECM blower motor operating up to 2,000 CFM reduces energy consumption compared to single-speed alternatives. However, the 35,000 BTU cooling capacity and conflicting tonnage labeling warrant clarification before purchase. Electrical requirements of 208/230V single-phase at 21.3-35 amp breaker sizing fit standard residential panels.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means lower heating bills, recovering equipment cost in 3-5 years on fuel savings alone
- 18 SEER cooling rating qualifies for Energy Star certification and most utility rebates
- Two-stage burner and two-stage condenser modulate output, reducing short cycling and improving comfort
- Variable speed ECM blower motor adjusts to actual demand, using 75% less energy than standard motors
- PVC exhaust compatibility simplifies venting in tight spaces compared to metal ductwork requirements
- 10-year warranty with registration provides reasonable protection for this price point
Cons
- Specs show conflicting tonnage data, listing both 3 Ton and 5 Ton, creating confusion about actual cooling capacity
- 35,000 BTU cooling output appears undersized relative to stated tonnage claims, raising accuracy concerns
- 71 dB noise level runs louder than high-efficiency models, noticeable during operation
- Requires 208/230V single-phase power, limiting installation options in some older homes
- R22 refrigerant option phase-out means long-term service costs may rise
Who Should Buy
Best For
Contractors and homeowners replacing 15+ year old systems in single-family homes or light commercial applications where upflow configuration works. Budget-conscious buyers in mixed climates benefit most from the heating-cooling balance without paying for ultra-premium features.
Consider Alternatives If
Skip this if you need a true 3-ton system for larger homes, given the conflicting specs, or if you demand whisper-quiet operation under 68 dB.
Installation
Installation demands standard HVAC skills and tools. The unit accepts both plastic PVC and traditional metal venting, offering flexibility. The 30-inch height and 21-inch width fit most utility closets and basement spaces. Technicians must complete proper refrigerant line sizing, using the included 3/8-inch liquid and 7/8-inch suction lines with 3/4-inch insulation. Electrical connection requires 208/230V single-phase power within breaker specifications.
Warranty & Reliability
Coverage includes a 10-year parts warranty upon registration, standard for this equipment class. This protects against compressor and heat exchanger failures, which represent the costliest repairs. The limited scope excludes labor, so plan for service call expenses if problems arise. Registration is mandatory, so complete paperwork immediately after installation.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| 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) | 71 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| AHRI Certificate Number | 7368836 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Two Stage Condenser |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Energy Star | Yes |
| Burner Stages | Two |
| Fuel Type | Propane, Natural 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) | 18 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 35 amps |
| Min. Breaker Size | 21.3 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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