Review
The 3 Ton Goodman gas furnace and air conditioner system is a well-engineered combo unit that delivers high seasonal efficiency without premium pricing. This downflow configuration solves a real problem for homeowners and contractors who need compact equipment that fits horizontal or downflow duct arrangements. Goodman's reputation for reliability in the commercial and residential sectors carries significant weight here, and the ENERGY STAR certification signals genuine efficiency credentials.
Performance numbers tell the story. The furnace achieves 97% AFUE with a modulating burner that fires at 80,000 BTU and adjusts output based on heating demand, which is significantly more efficient than fixed-stage alternatives. On the cooling side, the 16 SEER1 rating exceeds the labeled 15 SEER, moving 34,800 BTU with a scroll compressor and R410A refrigerant. The variable-speed ECM blower reaches 1,600 CFM maximum and adapts fan speed across both heating and cooling cycles, optimizing comfort and reducing unnecessary runtime.
Pros & Cons
Pros
- 97% AFUE furnace efficiency significantly reduces heating costs compared to 80-90% units
- 16 SEER1 condenser far exceeds the 15 SEER minimum, delivering better cooling performance
- Modulating burner stages match heating output to actual demand, avoiding wasted fuel
- Variable-speed ECM blower motor adapts airflow for comfort and efficiency in both heating and cooling
- 10-year warranty with online registration provides solid coverage for parts and labor peace of mind
Cons
- 73.5 dB noise level is noticeably louder than inverter-driven competitors, which may be audible in quiet homes
- Single-stage compressor cannot modulate cooling capacity, reducing part-load efficiency during mild weather
- Limited availability of rebates and incentives compared to brands with stronger manufacturer support programs
Who Should Buy
Best For
This system works best for homeowners in climates with moderate heating and cooling demands who prioritize operating cost reduction. It's particularly suited for those with downflow or horizontal duct configurations and tight equipment space constraints.
Consider Alternatives If
Buyers in extremely hot climates or those prioritizing quiet operation should explore inverter-driven or variable-capacity systems instead, as this unit's single-stage compressor and 73.5 dB output may disappoint.
Installation
This system uses standard 115V single-phase power with a 30-amp maximum breaker, making it compatible with most residential electrical service. The plastic PVC exhaust flue requirement is straightforward and reduces installation complexity compared to stainless steel alternatives. Downflow configuration requires proper ductwork placement below the unit, and the A-coil style pairs with most evaporator coils. Suction and liquid lines are 7/8" and 3/8" respectively, with 50-foot insulation included for typical residential runs.
Warranty & Reliability
The 10-year parts and labor warranty requires online registration but is otherwise straightforward. This covers manufacturing defects across the furnace and condenser, which addresses homeowner concerns about unexpected failure during the critical first decade of operation. Online registration takes minutes and is highly recommended to activate coverage.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73.5 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Energy Star | Yes |
| 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 |
| 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 | 7424271 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| 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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