Review
The Goodman 3-ton horizontal gas furnace and air conditioner system positions itself as a practical mid-range solution for homeowners seeking efficient climate control without luxury-tier pricing. This combination unit pairs a natural gas or propane furnace with a refrigerant condenser in one compact horizontal chassis, designed specifically for basement installations or tight mechanical spaces. At $89 for the condenser unit alone, the system targets budget-aware buyers and contractors managing replacement projects in residential HVAC markets.
Performance metrics reveal genuine efficiency gains. The furnace delivers 100,000 BTU heating output at 96% AFUE, meaning 96 cents of every fuel dollar converts to usable heat. The matching condenser produces 35,000 BTU cooling capacity with an 18 SEER2 rating, which qualifies for Energy Star certification and typically reduces cooling costs by 20-30% versus 14-16 SEER systems. The variable-speed ECM blower motor adjusts fan speed continuously rather than running full blast, preventing energy waste during partial-load periods. Two-stage operation on both heating and cooling maintains more consistent temperatures while minimizing compressor cycling wear.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating fuel consumption significantly compared to 80-90% units
- 18 SEER2 rating on cooling side qualifies for Energy Star, lowering air conditioning runtime costs
- Variable-speed ECM blower motor adapts to actual heating and cooling demands, improving comfort and efficiency
- Two-stage operation on both furnace and condenser minimizes short-cycling and maintains tighter temperature control
- Horizontal A-coil configuration suits basement installations where upflow/downflow space is limited
- Scroll compressor technology provides proven reliability and quieter operation at 71 dB
Cons
- Product listing shows conflicting tonnage specifications (3 Ton in title, 3.5 Ton in specs), creating confusion at purchase
- Cooling BTU stated as 35,000 seems undersized for a true 3-ton system, suggesting possible data entry error
- Requires professional installation for proper refrigerant charge and ductwork matching, adding labor costs beyond the $89 unit price
- Plastic PVC exhaust flue requirement limits installation flexibility in some older homes with masonry chimneys
Who Should Buy
Best For
Homeowners replacing 15-plus-year-old furnace and AC combinations who value energy efficiency and want to reduce monthly utility bills. This system works particularly well for ranch homes or properties with basement mechanical rooms where horizontal configuration fits existing ductwork.
Consider Alternatives If
Contractors needing larger tonnage systems above 3.5 tons, or buyers in cold climates requiring modulating furnaces for extreme temperature swings should evaluate higher-capacity alternatives.
Installation
Installation demands licensed HVAC technician expertise. The horizontal A-coil configuration requires compatible ductwork layout, proper refrigerant line sizing with 3/8-inch liquid and 7/8-inch suction lines, and 3/4-inch insulation thickness on suction lines to prevent condensation sweating. Electrical service requires 115V single-phase 60Hz with breaker capacity between 21.3 and 35 amps. PVC exhaust flue installation is mandatory, complicating retrofits in homes with existing masonry venting.
Warranty & Reliability
Goodman provides 10 years of parts coverage when you register the system online after purchase. This registration-based structure means warranty begins only after completion, so keep installation documentation accessible. The 10-year term covers compressor, heat exchanger, and sealed components but typically excludes wear items like capacitors and contactors under separate coverage.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years 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 | 21" |
| Width | 21.125" |
| Depth | 26" |
| Resources | CHPF Installation Manual CHPF Specifications Sheet Goodman Evaporator Coil 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. |
| AHRI Certificate Number | 7368844 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Horizontal |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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