Review
Goodman's horizontal gas furnace-coil system occupies a practical middle ground in the HVAC market. At 3 tons cooling and 80,000 BTU heating capacity, it addresses homeowners and contractors dealing with space constraints where traditional upright configurations fail. The horizontal A-coil design positions this unit as a retrofit solution for attics or cramped basements where every inch matters. Energy Star certification signals compliance with current efficiency baselines, though real-world performance depends on proper installation.
The furnace delivers strong heating performance with a 97% AFUE rating and modulating burner that adjusts flame intensity based on demand, reducing short-cycling and energy waste. The air conditioner side generates 34,800 BTU cooling output at 16 SEER2, which meets but doesn't exceed contemporary standards. The variable-speed ECM blower manages airflow between 400 and 1600 CFM, adapting to load conditions. Electrical requirements of 208-230V single-phase with 18.7-30 amp breaker sizing simplify residential installation in most homes.
Pros & Cons
Pros
- 97% AFUE furnace with modulating burner stages reduces energy waste during partial-load operation
- Variable-speed ECM blower motor adjusts CFM from 400 to 1600 for comfort and efficiency
- Horizontal A-coil configuration fits tight spaces where traditional upright units won't
- Energy Star certified and includes 10-year warranty with online registration
- PVC/plastic flue exhaust compatible with modern venting codes in most jurisdictions
Cons
- 16 SEER2 cooling efficiency lags behind newer 18-21 SEER2 systems by 15-25% in cooling season costs
- Single-stage condenser cycles on/off rather than modulating, reducing part-load efficiency compared to variable-capacity competitors
- No pricing transparency makes value comparison difficult against Lennox, Carrier, or Trane equivalents
- Scroll compressor inherently louder at 73.5 dBA than some rotary-screw designs
Who Should Buy
Best For
Contractors replacing failed systems in homes with limited attic or basement headroom, and homeowners in moderate climates where heating dominates cooling loads. The horizontal footprint and high AFUE rating make it ideal for retrofits in older homes or tight mechanical spaces.
Consider Alternatives If
Buyers in hot climates prioritizing cooling efficiency, or anyone comparing total cost of ownership, should evaluate 18+ SEER2 systems despite higher upfront cost due to 10-15 year payback periods.
Installation
Horizontal installation requires securing the unit on a level platform with adequate clearance for service access. The 3/8-inch liquid line and 7/8-inch suction line with 3/4-inch insulation fit standard refrigerant piping. PVC flue venting reduces installation cost compared to metal ductwork. Most contractors complete installation in 4-6 hours on straightforward replacements, though new electrical or ductwork runs extend timelines significantly.
Warranty & Reliability
Goodman provides 10 years of coverage when buyers register online after purchase. This extended term covers compressor, coil, and sealed components but typically excludes electrical burnout and refrigerant charge. Registration through the manufacturer's website is mandatory for full protection. Compare this against Lennox and Carrier offerings, which sometimes include parts coverage without registration.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73.5 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| 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 | 7424266 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Horizontal |
| Energy Star | Yes |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| 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. |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 30 amps |
| Min. Breaker Size | 18.7 amps |
| Tonnage | 3.5 Ton |
| 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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