Review
The Goodman 3-ton upflow system represents smart engineering at a consumer-friendly price point. At $643, this combination furnace and air conditioner sits firmly in the value category without cutting corners on core components. The scroll compressor, variable-speed blower motor, and two-stage burner indicate Goodman designed this unit for real-world performance rather than rock-bottom cost. Online Supply backs this with comprehensive warranty coverage and full technical documentation. For homeowners tired of paying premium prices for basic climate control, this system warrants serious consideration.
The efficiency numbers tell the real story here. The furnace delivers 96% AFUE heating efficiency with 40,000 BTU output across two burner stages, while the 3-ton air conditioner produces 34,800 BTU cooling at 16 SEER1 rating. That 16 SEER1 score exceeds the Energy Star minimum and translates to measurable savings on summer cooling costs. The variable-speed ECM blower adjusts airflow across 1200 CFM maximum output, avoiding the energy waste of constant full-speed operation. This combination won't match high-end variable-refrigerant systems, but it substantially outperforms legacy single-stage equipment most homeowners replace.
Pros & Cons
Pros
- 96% AFUE furnace efficiency exceeds most mid-range competitors and qualifies for many utility rebates
- 16 SEER1 cooling rating delivers Energy Star certification with excellent seasonal performance
- Two-stage burner and variable-speed ECM blower motor reduce energy waste during partial-load operation
- Lifetime heat exchanger warranty provides real peace of mind on the most expensive failure point
- Scroll compressor and 3/4 inch suction line insulation indicate quality construction at this price tier
Cons
- Single-stage condenser limits part-load cooling efficiency compared to two-stage units
- 73.5 dB noise level runs slightly louder than premium systems, notable in quiet spaces
- Upflow configuration limits placement options, requiring vertical installation in attics or utility closets
Who Should Buy
Best For
Homeowners in moderate climates replacing aging furnace-AC combos and contractors installing systems for budget-conscious customers who prioritize efficiency gains over premium features. This system makes sense for homes where utility cost savings matter more than minimal noise reduction.
Consider Alternatives If
Anyone needing quiet operation or requiring flexible installation orientation should explore two-stage condenser options or quieter alternatives in the 70 dB range.
Installation
This upflow unit measures 34.5 inches tall by 17.5 inches wide by 28.75 inches deep, fitting standard attic and utility closet installations. Electrical requirements are straightforward, 115V single-phase 60 Hz service with 18.7 to 30 amp breaker sizing. PVC exhaust flue compatibility simplifies venting, and the 50-foot insulated suction line accommodates larger distance separation between indoor and outdoor units.
Warranty & Reliability
The lifetime heat exchanger warranty stands out in this price range, protecting against the costliest potential failure. Add the 10-year parts coverage with online registration, and you have meaningful protection spanning major components through the system's productive lifespan. Registration is simple and essential to activate these benefits.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 40,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | Lifetime Heat Exchanger and 10 Years Parts 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 Ton |
| Height | 34.5" |
| Width | 17.5" |
| 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 | 7368841 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1200 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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