Review
Goodman's 3 ton variable-speed split system positions itself as a practical middle ground between budget units and premium efficiency models. The 16 SEER rating places it solidly in the Energy Star tier, and the variable-speed ECM blower motor shows the manufacturer's commitment to operational efficiency. At 34,800 BTU cooling capacity, this 3 ton unit handles typical homes comfortably while maintaining a compact 21x21 inch outdoor footprint that won't dominate small yards.
Real-world performance relies on that variable-speed blower motor, which adjusts output between 0 to 1,315 CFM based on demand. This efficiency approach works best in transitional seasons when full cooling isn't needed constantly. The scroll compressor paired with R410A refrigerant handles the 34,800 BTU workload reliably, though single-stage compression means it runs at full capacity even during mild days. Electrical requirements of 208/240V, 1 phase at 60 Hz keep installation straightforward for most homes.
Pros & Cons
Pros
- 16 SEER efficiency rating with Energy Star certification reduces cooling costs year-round
- Variable-speed ECM blower motor maintains comfort while cutting electric consumption versus single-speed models
- Compact footprint at 21x21 inches makes it fit tight outdoor spaces without major modifications
- Scroll compressor design proven durable with minimal maintenance requirements
- 10-year warranty with online registration provides reasonable coverage against defects
Cons
- Single-stage compressor limits part-load efficiency during mild weather compared to two-stage units
- 73.5 dB noise level runs louder than high-efficiency competitors, potentially noticeable to nearby neighbors
- R410A refrigerant phase-out concerns mean future service costs may increase as supplies tighten
Who Should Buy
Best For
Contractors and homeowners upgrading older 3 ton systems who value efficiency without flagship pricing. This works well in moderate climates where the variable-speed motor justifies the investment through energy bill reduction.
Consider Alternatives If
Buyers seeking near-silent operation or those in regions with extreme heat should explore two-stage compressor models with lower decibel ratings.
Installation
Installation demands standard split-system setup with proper linesets sized at 3/8 inch liquid and 7/8 inch suction. The 3/4 inch suction line insulation protects refrigerant quality across up to 50 feet of lineset. Electrical work stays simple for 208/240V single-phase power, though breaker sizing between 6.5 and 15 amps must match local code. Most contractors complete setup in one to two days.
Warranty & Reliability
Ten-year parts and compressor coverage applies when you register the unit online with Goodman. This warranty protects against manufacturing defects but excludes normal wear and maintenance. Registration typically occurs during installation, so coordinate with your contractor to ensure proper documentation within the required timeframe.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Refrigerant | R410A |
| Electrical | 208/240 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 | 15 amps |
| Min. Breaker Size | 6.5 amps |
| Tonnage | 3 Ton |
| Height | 53 7/16" |
| Width | 21" |
| Depth | 21" |
| Resources | Goodman Customer Brochure Goodman Installation INstructions Goodman Parts Manual Goodman Specifications Goodman Technical Publication Goodman 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. |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1,315 |
| Electric Backup Heat Capabilities (Optional) | 5 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts, 19 Kilowatts |
| Filter Size | 19.5" x 20" |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Fuel Type | Electric |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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