Review
The Goodman 3-ton split system represents solid mid-tier equipment for homeowners seeking straightforward efficiency improvements without premium pricing. This upflow-configured unit combines a gas furnace with an air conditioning coil in one integrated package, reducing installation complexity for contractors transitioning from older matched systems. The 16 SEER rating positions it competitively against entry-level high-efficiency competitors, while the 96% AFUE furnace outperforms standard 80-85% equipment by meaningful margins on heating season costs.
Heating performance runs at 120,000 BTU input with staged burner capability, allowing the system to modulate output across heating demand rather than cycling on and off at full blast. Cooling delivers 34,800 BTU through a scroll compressor with R410A refrigerant, sufficient for typical 3-ton residential loads. The multi-speed ECM motor adjusts airflow from 0 to 2000 CFM, matching actual heating and cooling needs rather than running constant velocity, reducing energy waste and noise complaints common with single-speed blowers.
Pros & Cons
Pros
- 96% AFUE furnace efficiency captures nearly all fuel energy, reducing heating costs compared to 80-90% older units
- 16 SEER cooling efficiency meets current energy standards, delivering 34,800 BTU cooling capacity for 3-ton load
- Multi-speed ECM blower motor adapts to heating and cooling demands, improving comfort and reducing utility bills
- Two-stage burner provides modulating heat output, minimizing short-cycling and temperature swings
- PVC/plastic flue compatible, simplifying venting in modern homes without masonry chimneys
- Energy Star certified, qualifying for potential utility rebates and tax incentives
Cons
- Single-stage condenser limits cooling efficiency during partial-load operation, common in mild weather
- 73.5 dBA noise level is moderately loud, noticeable from nearby rooms during furnace operation
- Requires 208/230V single-phase power, necessitating dedicated 18.7-30 amp circuit and potential electrical upgrades
- A-coil configuration adds height (38.25 inches), limiting placement in tight attic or closet spaces
Who Should Buy
Best For
Homeowners in mixed climates replacing aging 10-15 year old furnace and AC units where upflow ductwork orientation is established. Contractors managing retrofit projects where existing mechanical spaces can accommodate the 38.25-inch height and proper electrical service is available.
Consider Alternatives If
Anyone with space constraints in attics or mechanical rooms, homes with older 120V electrical service without upgrade capability, or buyers seeking ultra-high efficiency models with variable-speed compressors.
Installation
Installation requires 208/230V single-phase 60 Hz power with minimum 18.7 amp breaker, maximum 30 amp protection. Pre-charged refrigerant lines ship 50 feet with 3/4-inch insulation thickness, sized at 3/8-inch liquid and 7/8-inch suction. Upflow/horizontal orientation suits basement installations or horizontal attic mounting. PVC flue venting simplifies installations where traditional masonry chimneys are absent. Standard ductwork connections apply. Weight of 30 lbs allows single-technician handling.
Warranty & Reliability
Coverage includes a 10-year parts and labor warranty activated through online registration with Goodman. This is industry-standard for mid-tier equipment, matching most competitor offerings. Registration is straightforward and essential, as standard coverage defaults to shorter periods without it. Covers compressor, heat exchanger, and controls. Homeowners should retain documentation and service records for warranty claims.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 120,000 |
| Refrigerant | R410A |
| 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 |
| Configuration | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Tonnage | 3 Ton |
| Style | A-Coil |
| Height | 38.25" |
| Width | 29" |
| Depth | 29" |
| Resources | Goodman Brochure Goodman Specifications Goodman Installation Manual Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts Manual 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi-Speed - ECM |
| Maximum CFM | 2000 |
| Flue Location | Right |
| Energy Star | Yes |
| Burner Stages | Two |
| Fuel Type | Gas |
| 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 |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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