Review
The Goodman 3-ton downflow system represents a solid middle ground in the split HVAC market. This combination furnace-and-air-conditioner assembly addresses the real problem many contractors face: finding balanced efficiency without enterprise pricing. At $2555 with Energy Star certification, it competes directly with models 30-40% more expensive. The downflow configuration and A-coil design make it flexible for basements, attics, or utility closets in single-story homes.
Performance metrics justify the rating. The furnace delivers 60,000 BTU with 96% AFUE efficiency across two burner stages, translating to roughly $50-80 annual savings versus 90% AFUE models. The air conditioner side pushes 35,000 BTU cooling at 18 SEER2 and two-stage compressor operation, which reduces overshooting on mild days and keeps runtime noise at 71 dB. The variable-speed ECM blower caps airflow at 1200 CFM while maintaining even temperature distribution.
Pros & Cons
Pros
- 96% AFUE furnace efficiency with two-stage burners maximizes heating performance and cuts gas costs
- 18 SEER2 cooling efficiency on the air conditioner side, far above minimum standards
- Two-stage scroll compressor with variable-speed ECM blower reduces noise to 71 dB while improving comfort
- Energy Star certified with $2555 pricing, well below comparable 3-ton split systems
- 10-year parts warranty with online registration covers both components comprehensively
Cons
- Spec sheet lists conflicting tonnage (3-ton system header but 5-ton specs), creating confusion for installers
- 60,000 BTU heating output may run short in harsh winters without supplemental electric resistance
- Requires 21.3 to 35-amp electrical service, possibly demanding panel upgrades in older homes
Who Should Buy
Best For
Homeowners in USDA zones 5-8 replacing equipment built before 2010, especially those seeking rebates on efficient units. Contractors bulk-buying for residential new construction or retrofits where cost control and Energy Star compliance matter equally.
Consider Alternatives If
Anyone in extreme cold climates (zone 3 or colder) needing 80,000+ BTU furnaces should explore higher-capacity models.
Installation
Installation requires standard downflow placement with 30 by 21 by 21-inch clearance. Electrical demands fall between 21.3 and 35-amp circuit breakers at 115V single-phase. Refrigerant lines use 3/8-inch liquid and 7/8-inch suction tubing with 3/4-inch insulation included for 50 feet. Plastic PVC exhaust flue is mandatory. Most installations run 4-6 hours for experienced crews.
Warranty & Reliability
Goodman backs this unit with a 10-year parts warranty when you register online. Coverage includes compressor, blower motor, and heat exchanger defects. Labor and refrigerant are excluded. Registration is straightforward through the manufacturer's website and adds genuine peace of mind for homeowners.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 60,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Product Features | Rebate Available |
| Energy Star | Yes |
| 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 |
| 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 | 7368838 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1200 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| 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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