Review
Goodman's gas furnace and air conditioner combo targets the middle market where budget-conscious homeowners want genuine efficiency without flagship pricing. This upflow A-coil configuration fits standard vertical installations found in most homes. The 100,000 BTU heating capacity and 35,000 BTU cooling capacity provide adequate coverage for typical single-family residences. Online Supply prices this unit at $89, which is aggressively positioned compared to comparable two-stage systems from Lennox or Carrier.
Performance numbers tell a compelling story. The 18 SEER1 rating means summer cooling efficiency that undercuts most mid-tier competitors, while the 96% AFUE furnace extracts exceptional heat from natural gas or propane combustion. The two-stage compressor and dual burners run at 50% capacity during mild weather, reducing noise to 71 dBA and minimizing energy waste. Variable-speed ECM blower motor delivers up to 2,000 CFM but throttles down when less airflow is needed, cutting electricity consumption significantly compared to single-speed motors.
Pros & Cons
Pros
- 18 SEER cooling efficiency qualifies for ENERGY STAR certification and federal tax credits in many states
- 96% AFUE furnace efficiency captures nearly all combustion heat, resulting in lower heating costs
- Two-stage operation on both AC and furnace reduces runtime and improves comfort through more gradual temperature adjustments
- Variable-speed ECM blower motor can run at partial capacity, consuming less electricity than fixed-speed alternatives
- Scroll compressor design is quieter at 71 dBA and more reliable than reciprocating types
- Two-year suction line insulation included, reducing installation labor for field technicians
Cons
- Spec sheet lists conflicting tonnage, 3 ton in title but 5 ton in specifications, creating confusion about actual capacity
- R410A refrigerant is being phased out, potentially complicating future service after production ceases
- No mention of sound dampening cabinet, so 71 dBA is audible during operation compared to premium 65 dBA units
- Parts warranty is 10 years, shorter than some competitors offering 15-year component coverage
Who Should Buy
Best For
This system is ideal for homeowners in moderate climates with homes around 1,500-2,000 square feet looking to replace 10 to 15-year-old equipment. If you're in a region with significant heating and cooling demand, the dual efficiency ratings make this a solid value choice that pays back in 5 to 7 years.
Consider Alternatives If
Skip this if you need a 3-ton unit for a smaller home, since the 5-ton capacity will short-cycle and waste energy, or if you require a top-tier 20+ SEER system with extended warranties.
Installation
Upflow configuration works with existing ductwork designed for vertical airflow above the furnace. The system requires 115V, 1-phase power with a 21.3 to 35-amp breaker, manageable on most residential panels. Dimensions of 34.5 inches tall, 21 inches wide, and 28.75 inches deep fit standard mechanical closets. Sweat valve connections with 3/8-inch liquid and 7/8-inch suction lines demand soldering skills. Plastic PVC exhaust flue is standard modern requirement.
Warranty & Reliability
Lifetime heat exchanger warranty covers the most expensive component indefinitely, a strong protection against catastrophic failure. Ten-year parts coverage with online registration includes compressor, blower motor, and control boards. However, parts warranty ends at decade mark while some competitors extend coverage to 15 years. Labor costs beyond warranty period fall entirely on homeowner.
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 | 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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