Review
The Goodman 3-ton combo furnace and air conditioner system sits in the sweet spot for value-conscious upgrades. This horizontal-configuration unit pairs a 120,000 BTU furnace with a 35,000 BTU condenser in a compact footprint suitable for attics or basements. At $89 before rebates, it's priced to compete with mid-tier equipment while delivering legitimate efficiency gains over legacy systems that dominate contractor service calls.
Heating efficiency hits 96% AFUE, which translates to roughly 96 cents of every fuel dollar converted to warmth, compared to 80% from units installed before 2015. The air conditioner achieves 18 SEER1 efficiency with a two-stage scroll compressor that scales output, reducing cycling and noise to 71 dB. The variable-speed ECM blower motor runs at partial capacity during mild weather, cutting electrical draw significantly. This modulating design feels less aggressive than single-stage equipment, improving comfort consistency.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs by 20-30% versus 80% AFUE older units
- 18 SEER1 air conditioner rating qualifies for Energy Star certification and utility rebates
- Two-stage compressor and two-stage burner provide modulating comfort and lower runtime noise at 71 dB
- Variable-speed ECM blower motor runs only as fast as needed, cutting electricity consumption
- 10-year warranty with online registration covers parts and labor for most component failures
- Horizontal configuration fits tight attic or basement spaces where upright units won't fit
Cons
- Title claims 3-ton cooling but specs show 5-ton unit with 35,000 BTU output, creating confusion
- SEER1 rating of 18 is good but not top-tier, older high-efficiency models reach 20+ SEER2
- Requires PVC exhaust flue installation and proper refrigerant line sizing, not a basic swap
- R410A/R22 compatibility adds complexity during future service calls or repairs
Who Should Buy
Best For
Homeowners in mixed climates who need both solid heating and cooling efficiency without premium pricing. Contractors upgrading systems for budget-conscious clients who want real savings on utility bills and qualify for local rebates.
Consider Alternatives If
Anyone in extreme cold climates should consider higher AFUE models, and those in hot regions may want 20+ SEER2 units for peak efficiency.
Installation
Installation requires standard HVAC tools and intermediate skill. Refrigerant lines must be properly sized (3/8-inch liquid, 7/8-inch suction with 3/4-inch insulation), and PVC exhaust flue venting is mandatory, not optional. Horizontal mounting needs secure brackets and adequate clearance for airflow. Professional installation costs typically range $1,200 to $2,000 depending on ductwork condition and local labor rates.
Warranty & Reliability
Ten-year parts and labor warranty applies after online registration, covering compressor, heat exchanger, and controls. This registration requirement is non-negotiable and must happen within the purchase window. Coverage excludes damage from improper installation, lack of maintenance, or refrigerant leaks caused by external factors.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 120,000 |
| 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 | 5 Ton |
| Valve Type | Sweat |
| Height | 24.5" |
| Width | 26" |
| Depth | 21.125" |
| 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 | 7368842 |
| Airflow Direction | Upflow/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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