Review
The Goodman 3-ton system at $504 represents solid value in the mid-market HVAC segment. This upflow configuration combines a gas furnace and air conditioner into one integrated package, making it attractive for new construction and system replacements. The unit ships ready for technician installation with all major components, AHRI certification number 7368836 in hand, and Energy Star qualification already earned. For contractors managing job costs without sacrificing performance specs, this model has become a reliable workhorse.
Performance numbers justify the mid-range positioning. The furnace operates at 96% AFUE with a two-stage burner and 100,000 BTU heating capacity, while the air conditioning side delivers 35,000 cooling BTU at 18 SEER1 efficiency using R410A refrigerant and a scroll compressor. The variable-speed ECM blower reaches 2,000 CFM maximum and handles both heating and cooling cycles intelligently. Two-stage operation on both sides means the system modulates output rather than cycling full-on, reducing runtime and improving comfort and efficiency.
Pros & Cons
Pros
- 96% AFUE furnace rating exceeds most mid-tier systems and reduces heating costs significantly
- 18 SEER1 cooling efficiency on the AC side qualifies for federal tax credits and rebates
- Two-stage burner and two-stage compressor with variable-speed ECM blower for precise temperature control
- Lifetime heat exchanger warranty plus 10 years parts coverage with registration provides real protection
- PVC exhaust compatibility simplifies installation in modern homes without metal flue requirements
- 3.5-ton capacity handles 3-ton loads efficiently while offering some headroom for mild climate zones
Cons
- 71 dB noise level runs louder than premium scroll compressor units, noticeable during operation
- Spec sheet title lists 100,000 BTU heating but actual tonnage is 3.5 tons, creating minor confusion on capacity matching
- A-coil configuration requires upflow/horizontal orientation only, limiting retrofit flexibility in some attic or basement installations
Who Should Buy
Best For
Contractors building budget-conscious residential HVAC packages for climate zones 3-5, and homeowners replacing 15+ year old split systems who want measurable efficiency without premium pricing. This hits the sweet spot for those willing to accept standard noise levels in exchange for above-average performance.
Consider Alternatives If
Homeowners in very quiet neighborhoods, those needing a downsized 2.5-ton system for small condos, or buyers requiring ultra-high SEER2 ratings above 20 should evaluate higher-end Goodman lines or alternative manufacturers.
Installation
Installation requires 115V single-phase 60Hz power with a 21.3 to 35-amp breaker, well within standard residential service panels. The upflow/horizontal A-coil design fits attics and utility closets efficiently at 34.5 inches tall by 21 inches wide by 28.75 inches deep. PVC exhaust venting simplifies installation compared to older metal flue systems. Suction and liquid lines use standard 7/8-inch and 3/8-inch sweat connections with 3/4-inch insulation included on the suction line.
Warranty & Reliability
Coverage includes a lifetime heat exchanger warranty plus 10 years parts protection when registered online. The heat exchanger coverage offers genuine peace of mind since replacement costs typically run $800-1,200. Parts warranty covers compressor, blower motor, and controls for a full decade, though labor and refrigerant are customer responsibility. Registration is straightforward and required to activate benefits.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | Lifetime Heat Exchanger and 10 Years Parts with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Product Features | Rebate Available |
| Energy Star | Yes |
| SEER1 (Efficiency) | 18 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 35 amps |
| Min. Breaker Size | 21.3 amps |
| Tonnage | 3.5 Ton |
| Valve Type | Sweat |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Install Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications 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 |
| AHRI Certificate Number | 7368836 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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