Review
The Goodman 3.5-ton split system combines a 42,000 BTU air conditioner and 100,000 BTU furnace into an affordable package aimed at cost-conscious homeowners. Online Supply positions this unit as a pragmatic mid-market choice, delivering baseline efficiency without premium features. It uses R410A or R22 refrigerant and handles both natural gas and propane fuel, making it adaptable to most residential installations. The upflow A-coil configuration suits attic or closet mounting in typical homes.
Performance metrics show a 14 SEER cooling rating and 80% AFUE heating efficiency. The variable-speed blower reaches 2000 CFM maximum airflow, improving dehumidification on humid days compared to fixed-speed motors. Two-stage burner heating responds to temperature swings more smoothly than single-stage alternatives. The scroll compressor generates 73 dB at maximum operation, audible but not excessive. Electrical requirements are modest, needing 22-35 amp breakers at 120V single-phase power, fitting standard residential service.
Pros & Cons
Pros
- 14 SEER cooling efficiency reduces summer energy costs compared to older 10-13 SEER units by 15-20 percent
- Variable-speed blower motor with 2000 CFM maximum capacity improves comfort and humidity control
- Two-stage burner heating provides responsive temperature management for propane and natural gas
- Scroll compressor design offers reliability and quieter operation than reciprocating alternatives
- A-coil configuration with upflow/horizontal flexibility fits most existing installation spaces
Cons
- 80% AFUE furnace is entry-level and trails 90%+ AFUE high-efficiency models by significant heating cost margins
- Single-stage compressor cannot modulate cooling capacity, leading to wider temperature swings
- No ENERGY STAR certification indicates baseline efficiency rather than premium performance
- 73 dB noise level is moderately loud for outdoor operation near living spaces
Who Should Buy
Best For
Budget-conscious homeowners and landlords needing a reliable combo system for mixed climates where heating and cooling demands are moderate. Contractors installing replacements in cost-sensitive markets will find this unit competitive on price without sacrificing essential comfort features.
Consider Alternatives If
Anyone prioritizing maximum energy savings should choose 16+ SEER/95+ AFUE systems, and buyers in heating-dominant regions should avoid the 80% furnace in favor of condensing models.
Installation
Installation requires metal exhaust flue venting for the furnace and standard refrigerant lineset connections using 3/8 inch liquid and 7/8 inch suction lines. The unit includes 30 feet of pre-insulated suction line, reducing field fabrication. Upflow/horizontal airflow direction accommodates typical return-air plenum setups. Contractors should plan standard ductwork connections and ensure adequate clearance for the 34.5 inch height and 21 inch width dimensions.
Warranty & Reliability
Goodman provides 10-year parts coverage with online registration, a competitive baseline warranty. This protects compressor and heat exchanger against defects but typically excludes labor. Registration is mandatory to activate the full term, so buyers must complete manufacturer paperwork promptly after installation. Coverage begins at purchase date regardless of activation timing.
Specifications
| SKU | LS38783830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 120 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Energy Star | No |
| SEER1 (Efficiency) | 14 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 35 amps |
| Min. Breaker Size | 22 amps |
| Tonnage | 5 Ton |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Technical Information Goodman User Information 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. |
| Configuration | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Variable Speed |
| Maximum CFM | 2000 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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