Review
Goodman's 3-ton downflow system represents a straightforward, efficiency-focused option for residential heating and cooling upgrades. This combined furnace and air conditioning package bundles two critical HVAC components into one integrated solution, targeting contractors and homeowners seeking solid performance without cutting-edge innovation. The system carries Energy Star certification and qualifies for manufacturer rebates in many regions, addressing budget constraints while maintaining respectable specifications across both heating and cooling functions.
The heating side delivers 80,000 BTU output at 96% AFUE efficiency using two-stage natural gas or propane burners. Cooling output reaches 35,000 BTU (inconsistent with tonnage claims) at 18 SEER2 with a scroll compressor and two-stage condenser. The variable-speed ECM blower modulates airflow between 0 and 1600 CFM, reducing energy consumption during partial-load operation. At 71 dB, it operates within acceptable residential noise parameters, though not whisper-quiet. Electrical requirements include 115V single-phase 60Hz service with breaker sizing between 21.3 and 35 amps.
Pros & Cons
Pros
- 96% AFUE furnace efficiency qualifies for utility rebates and reduces heating costs by 15-25% versus 80% units
- 18 SEER2 cooling rating outperforms the standard 14 SEER2 baseline, saving approximately $200-300 annually on cooling
- Two-stage compressor and burner system reduces short cycling, improving comfort and component lifespan
- Variable-speed ECM blower motor maximizes airflow up to 1600 CFM while minimizing electrical draw
- Energy Star certified with 10-year warranty when registered, covering both heating and cooling components
- PVC exhaust compatibility simplifies installation in modern code-compliant applications
Cons
- Price point of $89 appears significantly undervalued compared to market rates, suggesting this may be incomplete pricing or promotional listing
- 5-ton cooling capacity listed in specs conflicts with advertised 3-ton system, creating specification ambiguity
- R410A or R22 refrigerant options indicate older inventory, as R410A is being phased toward lower GWP alternatives
- 71 dB noise level is moderate, not ideal for noise-sensitive applications like bedroom installations
Who Should Buy
Best For
Homeowners in moderate climates replacing 15+ year old furnace and AC systems, and HVAC contractors seeking reliable, rebate-eligible equipment for residential retrofit jobs. The high efficiency ratings appeal to budget-conscious buyers willing to invest modestly upfront for multi-year utility savings.
Consider Alternatives If
Properties requiring 4+ ton capacity or those in regions with aggressive R22 phase-out timelines should source newer refrigerant options. Buyers prioritizing quiet operation may find the 71 dB output problematic.
Installation
Installation requires 3/8-inch liquid lines and 7/8-inch suction lines with 3/4-inch insulation thickness extended to 50 feet maximum. The downflow configuration suits basement or attic placement with PVC venting approved for modern code applications. Sweat valve connections demand soldering expertise or professional HVAC installation. Ductwork sizing and refrigerant charge procedures require certified technician involvement to ensure optimal performance.
Warranty & Reliability
Online registration unlocks a 10-year warranty covering furnace and cooling components against manufacturing defects. This full-system protection provides meaningful coverage for homeowners, though registration is mandatory and exclusions apply to damage from improper installation or maintenance neglect. Goodman's warranty claims process is generally straightforward through authorized dealers.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 80,000 |
| 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 | 24.5" |
| 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 | 7368843 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| 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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