Review
The Goodman 3-ton combo system lands in the practical middle of the market, targeting contractors and homeowners who balance performance against budget constraints. At 89 dollars, this horizontal unit combines gas furnace heating with heat pump cooling into one compact assembly. Online Supply markets this as a straightforward replacement option for homes needing both heating and cooling capacity without premium efficiency ratings or advanced features.
The furnace delivers 36,000 BTU heating output at 80% AFUE efficiency, adequate for moderate climate zones but not optimized for cold regions. Cooling specs are stronger: 36,000 BTU capacity with 16 SEER efficiency and two-stage operation reduces runtime and improves temperature consistency. The variable-speed blower motor adjusts between 0 and 2,000 CFM, matching actual heating or cooling demand rather than cycling at constant speed. Electrical demand ranges from 20.3 to 35 amps at 208/230V single-phase, standard for residential installations.
Pros & Cons
Pros
- Two-stage burner and two-stage condenser reduce cycling and improve comfort during partial-load conditions
- Variable-speed blower motor maximizes efficiency by adjusting airflow to actual demand, not just on-off operation
- ENERGY STAR certified with 16 SEER cooling (upgraded from headline spec) and 80% AFUE heating
- Horizontal configuration fits tight attic or crawlspace installations where vertical equipment won't work
- Scroll compressor is proven durable technology with lower failure rates than rotary designs
- 10-year warranty with online registration provides decent coverage for residential applications
Cons
- 80% AFUE is below modern standards, newer high-efficiency furnaces reach 95%+ and cut heating costs noticeably
- 73 dB noise level is moderately loud, comparable to a vacuum cleaner, may be noticeable in quiet homes
- Requires 208/230V single-phase power, limiting installation flexibility in some older homes with different electrical service
- Metal exhaust flue requirement means you cannot vent into existing PVC systems without modifications
Who Should Buy
Best For
Homeowners in transitional climates where heating and cooling loads balance reasonably, or those replacing working systems who need straightforward, affordable equipment. Contractors managing multiple replacement jobs will appreciate the horizontal design flexibility and proven component reliability at this price point.
Consider Alternatives If
Anyone prioritizing heating efficiency should look at 95% AFUE furnaces instead, even if cooling needs are modest. Those in noise-sensitive environments or with tight electrical constraints should evaluate alternatives.
Installation
The horizontal 38.25 by 35.5 by 35.5 inch footprint fits attic or crawlspace applications where vertical units cannot fit. Requires metal exhaust flue venting and R410A refrigerant lines with 3/8 inch liquid and 7/8 inch suction connections. Two-stage burner and scroll compressor are straightforward components without exotic controls, simplifying commissioning. Standard 60-cycle electrical supply and typical ductwork integration make this accessible for experienced HVAC installers.
Warranty & Reliability
Goodman backs this unit with a 10-year parts warranty upon online registration, covering defects in compressor, heat exchanger, and major components. Registration is required to activate coverage, so homeowners must complete the process after installation. This warranty is middle-range for residential equipment, longer than budget brands but shorter than premium manufacturers offering 12 or 15 year terms.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 36,000 |
| Heating BTU | 36,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| 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 | 7/8" |
| Tonnage | 3 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 | 35 amps |
| Min. Breaker Size | 20.3 amps |
| Valve Type | Sweat |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.