Review
Goodman's 4-ton horizontal system sits in the practical middle of the residential HVAC market. At $2071, it competes directly with mid-tier Carrier and Lennox units while undercutting many premium brands. This horizontal configuration suits basements and crawlspaces where vertical space is limited. The system ships as a matched pair, meaning the furnace and heat pump are engineered together for reliability. Online Supply's SKU LS381183850 carries an AHRI certificate (204633307), confirming the coil and compressor combination meets industry standards.
Cooling performance shines with SEER 16 efficiency and 48,000 BTU capacity across 4 tons, translating to roughly 15 to 20 percent lower AC costs than 13 SEER baseline units. The scroll compressor with two-stage condenser modulates cooling in mild weather, cutting unnecessary runtime. On heat, the 80,000 BTU furnace delivers 48,000 BTU at 80% AFUE, using both natural gas and propane. Two burner stages prevent energy waste during shoulder seasons. The variable-speed blower motor ranges from 0 to 2000 CFM, matching airflow to actual demand and improving humidity control.
Pros & Cons
Pros
- SEER 16 cooling efficiency exceeds ENERGY STAR standards, delivering measurable utility savings on AC costs
- Two-stage burner and condenser design provides modulating efficiency, reducing short-cycling and energy waste
- Variable-speed blower motor adjusts airflow from 0 to 2000 CFM, improving comfort and dehumidification
- R410A refrigerant with 50-foot line set included, reducing on-site charge time for installers
- 10-year full warranty with online registration protects against compressor and heat exchanger failures
Cons
- 80% AFUE furnace efficiency is baseline, not premium, limiting heating-season savings in cold climates
- 74 dB noise level at full capacity may be noticeable in quiet neighborhoods or bedrooms
- Two-stage design means lower efficiency during mild weather compared to modulating systems
Who Should Buy
Best For
Homeowners in HVAC zones 4-6 (Carolina through mid-Atlantic regions) who need balanced heating and cooling performance without premium pricing. Contractors upgrading older split systems where ductwork is already sized for 4-ton equipment.
Consider Alternatives If
Northern climates where furnace runtime dominates (Minnesota, Wisconsin, Vermont) should look for systems with 90%+ AFUE or higher SEER ratings to offset heating inefficiency.
Installation
Horizontal orientation and compact 35.5-inch width fit standard basement joist spacing without framing modifications. Weighing 48 pounds, installation requires two technicians for safety. Metal exhaust flue is mandatory, and the included 50-foot line set eliminates refrigerant charge delays. Electrical requirements are straightforward: 208/230V single-phase 60Hz with breaker sizing between 27.7 and 45 amps. The A-coil style connects directly to most existing ductwork plenums.
Warranty & Reliability
Ten-year parts coverage kicks in only with online registration, a common Goodman requirement. This protects compressor, heat exchanger, and most components but excludes wear items like capacitors and contractors. Coverage begins at purchase and transfers once if ownership changes. For contractors, Goodman's national parts network ensures replacement availability, reducing customer downtime.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 48,000 |
| Heating BTU | 48,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| AHRI Certificate Number | 204633307 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Variable Speed |
| Maximum CFM | 2000 |
| Configuration | Horizontal |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Height | 38.25" |
| Width | 35.5" |
| Depth | 35.5" |
| Resources | Goodman Specifications Goodman Customer Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Technical Information 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. |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Tonnage | 4 Ton |
| Style | A-Coil |
| Product Features | Rebate Available, Two Stage Condenser |
| Energy Star | Yes |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 45 amps |
| Min. Breaker Size | 27.7 amps |
| Valve Type | Sweat |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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