Review
Goodman's 4-ton gas furnace and air conditioner system at $2,071 positions itself as a practical midmarket option for homeowners and contractors seeking dependable HVAC without premium pricing. The combo unit packages a variable-speed furnace with an air conditioning condenser in a compact 30 by 24.5 by 21 inch footprint, suitable for upflow installations in basements and utility closets. With Energy Star certification on the cooling side and basic but proven Goodman engineering, this system appeals primarily to replacement scenarios and secondary properties.
The cooling side impresses more than heating. The AC delivers 47,000 BTU capacity with a two-stage scroll compressor and 17 SEER efficiency rating, utilizing R410A refrigerant and achieving 72 dB output. The furnace contributes 80,000 BTU via two-stage burners and 80% AFUE, paired with a variable-speed motor reaching 2,000 CFM maximum. For cooling-dominant climates, this setup manages temperature swings efficiently. For heating-dependent regions, the 80% efficiency means noticeably higher natural gas bills compared to 95%+ AFUE systems offering 15 to 20 percent better fuel economy.
Pros & Cons
Pros
- Strong cooling capacity at 4 tons (47,000 BTU) with 17 SEER rating and two-stage condenser for variable output
- Two-stage burner and variable-speed blower optimize comfort and efficiency across different heating demands
- Energy Star certified cooling side reduces operating costs significantly versus older single-stage systems
- Dual fuel capability handles both natural gas and propane, providing flexibility for different service areas
- Affordable entry price of $2,071 makes system-level upgrades accessible to cost-conscious buyers
- 10-year warranty with online registration provides reasonable coverage protection for parts and labor
Cons
- 80% AFUE furnace efficiency lags behind modern 95%+ systems, costing extra during heating season in northern climates
- 17 SEER cooling rating falls below current premium standards of 18+ SEER systems offered by competitors
- 5-ton tonnage mismatch with 4-ton specification creates confusion and potential sizing complications during installation
- 72 dB noise level runs louder than quieter inverter-driven alternatives in the market
Who Should Buy
Best For
Homeowners in moderate climates where cooling matters more than heating, or budget-focused buyers replacing 10-plus-year-old systems. Contractors servicing rental properties or client bases prioritizing affordability over peak efficiency will find this system justifiable.
Consider Alternatives If
Northern climate residents with extended heating seasons should explore 90%+ AFUE furnaces to offset higher fuel consumption, and those seeking cutting-edge efficiency should compare higher-SEER options.
Installation
Installation requires 208 to 230V single-phase 60Hz power and breaker sizing between 26.3 and 45 amps depending on demand. The system needs metal exhaust flue for the furnace and standard refrigerant lines with 1/2 inch insulation thickness. Valve ports are 3/8 inch liquid and 1 1/8 inch suction with sweat connections. Most technicians complete residential installs in one day, though ductwork modifications may extend timelines.
Warranty & Reliability
Goodman provides a 10-year warranty on parts and labor when registered online, protecting against defects in manufacturing and materials. This middle-tier coverage beats budget brands offering five years but trails premium manufacturers offering lifetime compressor guarantees. Registration is simple and recommended immediately after purchase to activate full protection.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 47,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 72 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| AHRI Certificate Number | 204633307 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Variable Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Height | 30" |
| Width | 24.5" |
| Depth | 21" |
| Resources | CAPT Installation Manual CAPT 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. |
| Product Features | Two Stage Condenser |
| Energy Star | Yes |
| SEER1 (Efficiency) | 18 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 1 1/8" |
| Max Breaker Size | 45amps |
| Min. Breaker Size | 26.3 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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