Review
Goodman's 3 ton downflow system represents the practical middle ground in residential HVAC, targeting homeowners who refuse outdated 80% AFUE furnaces but don't need premium brand pricing. At $3,136 for the complete package, this unit delivers solid performance without luxury features or installation complexity. The combination of 120,000 BTU heating and 34,800 BTU cooling capacity handles average residential loads effectively across most climate zones.
Performance metrics tell the real story. The 96% AFUE furnace captures nearly all fuel energy as heat, compared to 80-90% in older models still common in field replacements. The 16 SEER cooling rating achieves Energy Star certification and translates to measurable summer electricity reductions in hot climates. Variable-speed ECM blower technology automatically modulates airflow between 0-2,000 CFM based on demand, eliminating the energy waste of constant-speed motors while reducing audible noise during low-load periods.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means minimal fuel waste on heating, typical annual savings of $200-400 versus 80% AFUE models
- 16 SEER cooling efficiency qualifies for Energy Star and reduces summer cooling costs by roughly 30% versus 13 SEER baseline units
- Variable-speed ECM blower motor adjusts output automatically, improving comfort and reducing runtime noise versus single-speed alternatives
- Two-stage burner on furnace provides modulating heat output, reducing temperature swings and unnecessary cycling
- PVC exhaust flue compatibility simplifies installation costs and allows direct venting through exterior walls in most homes
Cons
- SKU shows 5 ton tonnage specification but title claims 3 ton, creating potential confusion about actual cooling capacity
- 73.5 dB noise level runs slightly louder than premium models, noticeable in quiet bedrooms during peak operation
- Refrigerant compatibility with both R410A and R22 suggests older design, newer systems standardize on single refrigerant only
Who Should Buy
Best For
Homeowners replacing 10-15 year old furnace-AC systems who want immediate energy bill reduction and live in regions with substantial heating seasons. Contractors seeking reliable mid-range equipment that balances efficiency gains with reasonable material costs will appreciate the variable-speed motor and two-stage heating.
Consider Alternatives If
Skip this if you need a compact unit for tight spaces, as the 30-inch height and 24.5-inch width demand standard equipment closet dimensions, or if you want cutting-edge single-refrigerant technology.
Installation
Downflow configuration suits attics, crawlspaces, and utility closets with concrete slabs. The 30-inch height requires standard 2.5 foot clearance above equipment for filter and coil access. Plastic PVC exhaust venting simplifies routing through exterior walls without masonry work. Two-stage gas burner and variable-speed blower need only standard 208/230V 1-phase power with 18.7-30 amp breaker sizing, matching most existing residential electrical service.
Warranty & Reliability
Standard 10-year parts coverage activates upon online registration, covering compressor, heat exchanger, and blower motor failures. This matches industry baseline for mid-tier equipment. Labor and refrigerant typically require separate extended plans through installers. Registration requirement demands homeowner follow-through but unlocks full protection period.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 120,000 |
| Refrigerant | R410A or R22 |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73.5 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| AHRI Certificate Number | 7368845 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| 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 | 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. |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 30 amps |
| Min. Breaker Size | 18.7 amps |
| Tonnage | 5 Ton |
| 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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