Review
The Goodman 3-ton gas furnace and air conditioner combo delivers solid performance for homeowners balancing budget against efficiency needs. At $3,109, this downflow system sits in the practical mid-range, offering genuine energy savings without boutique pricing. It's manufactured under Goodman's proven platform, trusted by contractors for over 30 years. The downflow configuration provides installation flexibility in most homes, and Energy Star certification confirms its efficiency credentials. This is straightforward equipment designed to work reliably for 15+ years with proper maintenance.
The 96% AFUE furnace converts nearly all heating fuel to usable warmth, translating to measurably lower winter utility costs compared to 92% units. The 16 SEER1 condenser rating performs above regional minimum standards in most states. Two-stage burner operation reduces short-cycling and comfort swings, while the variable-speed ECM blower motor adjusts airflow to match heating and cooling demand. The scroll compressor paired with R410A refrigerant handles 3-ton capacity, producing 34,800 cooling BTU and 60,000 heating BTU across 1,200 CFM maximum airflow. These specs indicate well-matched component sizing for typical residential applications.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means lower heating bills, approximately 4% more efficient than 92% AFUE units
- 16 SEER1 cooling rating is well above minimum standards and qualifies for Energy Star certification
- Two-stage burner and variable-speed ECM blower motor optimize comfort and efficiency across load conditions
- Downflow configuration works in attics, basements, or horizontal closet installations with flexible placement options
- 10-year warranty with online registration provides solid long-term coverage at this price point
Cons
- Single-stage compressor means cooling cycles on and off rather than modulating, less efficient than two-stage units
- 73.5 dB noise level is moderately loud for a residential air conditioner, noticeable from nearby windows
- Scroll compressor requires proper oil management during service or it can fail prematurely
Who Should Buy
Best For
Homeowners replacing an older furnace and AC in homes with attic or basement space, and contractors looking for reliable mid-tier equipment at $3,109. This system suits properties in regions with cold winters and moderate summers where heating BTU output matters more than advanced cooling features.
Consider Alternatives If
Buyers seeking ultra-quiet operation or homes where compressor noise will carry into living spaces should look at two-stage compressor models or premium brands with lower decibel ratings.
Installation
This downflow system requires standard ductwork connections and 115V single-phase 60Hz power, using 18.7 to 30-amp breakers depending on final configuration. The unit measures 34.5 inches tall by 17.5 wide by 28.75 deep, fitting most attics, basements, or utility closets. PVC flue venting is standard, simplifying exhaust routing. Professional installation by licensed HVAC contractors is essential for proper refrigerant charge, electrical connections, and gas line safety. Expect 4 to 8 hours for experienced crews.
Warranty & Reliability
Goodman covers parts and labor for 10 years when you register online within 60 days of installation. This matches industry standard for this price category. Compressor coverage is included. Registration is straightforward through Goodman's website and requires serial number and installation date documentation. Keep receipts and proof of professional installation to validate warranty claims.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 60,000 |
| 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 Ton |
| Height | 34.5" |
| Width | 17.5" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation 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 | Downflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7368838 |
| Airflow Direction | Downflow/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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