Review
Goodman's 3-ton downflow system represents a pragmatic middle ground in residential HVAC selection. This unit bundles a high-efficiency furnace with a respectable air conditioner in a single package, simplifying installation coordination and reducing contractor callbacks. At $736, the price positions it as accessible to contractors stocking equipment and homeowners managing replacement budgets. The 10-year warranty and Energy Star certification signal manufacturer confidence in component longevity.
Performance numbers tell an impressive heating story. The 97% AFUE furnace converts nearly all fuel to usable heat, while the 100,000 BTU burner capacity handles substantial heating loads. The cooling side delivers 18 SEER2 efficiency through a two-stage scroll compressor and variable-speed blower reaching 2000 CFM maximum. These specifications exceed many mid-range competitors. The 115V, 60Hz electrical requirement and 21.3 to 35-amp breaker range indicate straightforward residential wiring compatibility for most homes.
Pros & Cons
Pros
- 97% AFUE furnace efficiency reduces heating fuel consumption significantly compared to 80-90% models
- 18 SEER2 condenser with two-stage compressor delivers superior cooling efficiency and quieter operation at 71 dBA
- Modulating burner adjusts heating output precisely, cutting short-cycling and improving comfort
- Variable-speed ECM blower motor adapts airflow from 0 to 2000 CFM, matching demand conditions
- 10-year warranty with online registration provides solid protection for component failures
Cons
- Conflicting specs list both 3 ton and 3.5 ton capacity, creating uncertainty about actual cooling output
- 35,000 BTU cooling capacity seems undersized for true 3.5-ton rating, raising questions about system design
- 71 dBA noise level approaches upper acceptable range for residential condensers during peak operation
Who Should Buy
Best For
Budget-conscious homeowners in northern regions who want to minimize heating expenses without sacrificing cooling performance. This system particularly suits those replacing older 80-90% AFUE furnaces, where the efficiency gains recoup equipment costs within 5-7 years through fuel savings.
Consider Alternatives If
Those in hot climates where cooling dominates energy use, or buyers needing higher capacity in compact spaces, should explore higher-tonnage alternatives or premium-tier condensers.
Installation
Downflow configuration suits basement or closet placement with horizontal venting. The system requires 3/8 inch liquid and 7/8 inch suction lines with 3/4 inch insulation thickness extending 50 feet maximum. Plastic or PVC exhaust flue pipes handle condensing exhaust safely. Sweat-type valve connections demand competent brazing skills. Field technicians should verify refrigerant type (R410A or R22) matches local availability before ordering.
Warranty & Reliability
Ten years of parts coverage applies with online registration, covering compressor, heat exchanger, and major components against defects. This matches industry standards for mid-tier equipment. Labor and refrigerant remain the homeowner's responsibility, which is typical. Registration requirement demands prompt paperwork completion to activate coverage.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 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 | 3.5 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 | 7424272 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Burner Stages | Modulating |
| 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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