Review
The Goodman 3-ton horizontal system arrives at $3,136 as a middle-market option that avoids premium-brand pricing while maintaining solid HVAC credentials. Online Supply positions this as a practical upgrade path for contractors and homeowners tired of 80% AFUE furnaces bleeding money. The horizontal A-coil configuration opens installation doors that vertical systems cannot, particularly in retrofits where ceiling space compresses margins. This SKU LS38783850 carries Energy Star certification, which suggests manufacturers validated the efficiency claims against independent standards.
Performance specs tell a genuine efficiency story. The furnace delivers 120,000 BTU heating output at 96% AFUE, meaning only 4,800 BTU escapes as flue loss per cycle. Cooling capacity reaches 34,800 BTU (matching the 3-ton claim closely) with a 16 SEER1 rating that beats baseline 14 SEER equipment by roughly 14 percent. The variable-speed ECM blower motor adjusts CFM delivery up to 2,000, adapting airflow to actual heating or cooling demand rather than running full-blast constantly. At 115V single-phase 60Hz power, it integrates cleanly into standard residential wiring without panel upgrades.
Pros & Cons
Pros
- 96% AFUE furnace rating means minimal wasted fuel, saving $200-400 annually on heating versus older systems
- 16 SEER1 cooling efficiency with variable-speed ECM blower reduces electricity consumption during AC season
- Two-stage burner and scroll compressor provide quieter, more modulated operation at 73.5 dB
- Horizontal configuration fits tight attic or crawlspace installations where vertical units fail
- Energy Star certified with 10-year parts warranty when registered, covering real-world failure scenarios
Cons
- Single-stage condenser limits part-load efficiency on mild-weather cooling days
- 3.5-ton capacity oversizes the unit for some average homes, reducing cycling benefits and efficiency
- 73.5 dB noise level sits above whisper-quiet threshold, noticeable during operation near living spaces
Who Should Buy
Best For
Homeowners in mixed climates replacing 15-20 year old systems who value upfront savings and proven Goodman reliability. Contractors needing horizontal-mount solutions for tight spaces and value-conscious customers who skip premium brands.
Consider Alternatives If
Buyers prioritizing ultra-quiet operation or those in mild climates where single-stage cooling wastes energy should explore higher-efficiency variable-speed units.
Installation
Horizontal installation requires clear attic or crawlspace routing with proper ductwork support and condensate drainage sloped away from the unit. Plastic PVC exhaust flue must vent to exterior with correct rise and horizontal runs per Goodman spec sheets. The 30-amp maximum breaker size fits standard residential panels. Pre-installation review of CHPF manuals prevents common mistakes with refrigerant line sizing (3/8 inch liquid, 7/8 inch suction) and evaporator coil compatibility.
Warranty & Reliability
Goodman's 10-year parts warranty activates upon online registration, covering compressor failure, motor burnout, and valve problems that typically occur within the first decade. This removes the financial sting of unexpected $800-1,200 repairs. Labor and travel charges fall outside warranty scope, so budget service calls separately. The A-coil design pairs with standard aftermarket evaporator coils, preserving repair flexibility if failures occur post-warranty.
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 | 3.5 Ton |
| Height | 24.5" |
| Width | 21.125" |
| Depth | 26" |
| Resources | CHPF Installation Manual CHPF 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 | Horizontal |
| 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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