Review
The Goodman 3 Ton 16 SEER gas furnace and air conditioning system represents the practical middle ground in residential HVAC. At $3136, you're getting a complete heating and cooling package with established Goodman engineering rather than boutique brands commanding premium pricing. This downflow configuration suits basements or crawlspaces, while the dual-fuel design handles both natural gas and propane lines.
Performance numbers tell the real story. The furnace delivers 120,000 BTU at 96% AFUE, meaning only 4% of fuel is wasted as flue loss. The condenser produces 34,800 BTU of cooling capacity with a 16 SEER rating, translating to roughly 16 BTU of cooling per watt consumed. A variable-speed ECM blower motor ramps from 400 to 2000 CFM, avoiding the constant on-off cycling of fixed-speed systems. Two-stage burner modulation in the furnace adds comfort precision, though the single-stage compressor cannot match this flexibility on the cooling side.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means lower winter heating bills and minimal wasted fuel
- 16 SEER cooling rating qualifies for Energy Star certification and utility rebates
- Variable-speed ECM blower motor adjusts output between 400-2000 CFM for comfort and efficiency
- Two-stage burner provides modulating heating for more consistent temperatures
- Dual-fuel capability handles both natural gas and propane with single system
Cons
- Single-stage compressor cannot modulate cooling capacity, leading to cycling on very hot days
- 73.5 dB noise level is moderately loud compared to variable-capacity units at 70 dB or below
- Spec sheet lists both 3 ton and 5 ton tonnage ratings, creating potential confusion during ordering
Who Should Buy
Best For
Contractors and homeowners in moderate climates looking to replace 10-15 year old systems with proven Goodman reliability. Budget-conscious buyers who want solid efficiency without paying for premium features like variable-speed compressors.
Consider Alternatives If
High-performance builds requiring quiet operation under 70 dB, or homeowners in extreme climates needing variable-capacity cooling to handle 110-plus degree days.
Installation
This system requires 115V single-phase power with breaker sizing between 18.7 and 30 amps, standard in most homes. Plastic or PVC exhaust flue is specified, which costs less than metal venting. Suction and liquid lines run 7/8 inch and 3/8 inch respectively, with pre-installed 3/4 inch insulation on the 50-foot suction line. Technicians should verify ductwork sizing handles 2000 CFM maximum airflow to avoid bottlenecking.
Warranty & Reliability
Goodman backs this system with 10 years of parts coverage upon online registration, standard for the brand. This protects the compressor, coil, and other major components against manufacturing defects. Homeowners should register immediately upon installation to activate coverage. Labor and refrigerant refills are not covered, typical industry practice.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 120,000 |
| 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 | 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 | 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 |
| 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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