Review
The Goodman 2-ton downflow combo system occupies a practical sweet spot in the mid-market HVAC space. At $643, this is an accessible entry point for homeowners tired of old, inefficient equipment and contractors managing service calls with tight budgets. Goodman's reputation for straightforward, durable equipment makes this a legitimate choice against premium brands that cost two or three times as much for marginal real-world gains.
Performance numbers tell the real story here. The 92% AFUE rating on the furnace side delivers solid winter efficiency, burning less gas than 80-85% AFUE units common in older homes. On cooling, the 14 SEER rating produces 24,000 BTU capacity and achieves reasonable summer efficiency without two-stage operation. The multi-speed blower motor lets you balance noise and comfort, while the 40,000 BTU heating output and 800 CFM maximum airflow are appropriately matched to this tonnage class.
Pros & Cons
Pros
- 92% AFUE furnace efficiency meets modern standards and reduces heating costs by roughly 8% versus 80% AFUE units
- 14 SEER cooling rating is above minimum federal standards, delivering measurable savings on air conditioning
- Multi-speed blower motor allows customized airflow for comfort and efficiency in different seasons
- 40,000 BTU heating and 24,000 BTU cooling capacity properly sized for 2-ton applications
- 10-year warranty with online registration provides solid protection and peace of mind
- Downflow/horizontal configuration works in basements and crawlspaces, increasing installation flexibility
- Plastic PVC exhaust compatibility reduces venting costs compared to metal flue requirements
Cons
- Single-stage burner and condenser means no modulation, so efficiency gains top out at part-load operation
- 71 dB noise level is audible during operation, particularly during heating cycles
- No Energy Star certification indicates it misses higher-tier efficiency thresholds that qualify for utility rebates
- 208/230V single-phase electrical requirement may need circuit upgrades in older homes
- R410A refrigerant availability and costs vary by region, potentially affecting service expenses
Who Should Buy
Best For
Homeowners and contractors installing systems in 1,200-1,500 square foot homes or small commercial spaces where cost control matters and efficiency is secondary to budget. This unit excels when replacing older 80% AFUE furnaces or 10 SEER air conditioners where the performance jump will be immediately noticeable.
Consider Alternatives If
Anyone seeking variable-capacity or modulating systems, homes requiring Energy Star rebates, or buildings expecting quiet operation in open-concept layouts should explore higher-tier models.
Installation
The downflow A-coil configuration requires vertical ductwork below the unit, making it ideal for basement or crawlspace installations. Standard connections include 3/8 inch liquid line and 3/4 inch suction line refrigerant ports. PVC exhaust flue compatibility simplifies venting compared to rigid metal requirements. Electrical needs 14.3 to 25 amps at 208/230V single-phase, which most homes support without panel upgrades.
Warranty & Reliability
Goodman provides a 10-year parts warranty when you register the unit online, a simple process protecting against manufacturing defects. This is standard for the brand and class, covering compressor, heat exchanger, and electronics. Labor and refrigerant are typically not included, so confirm coverage details with your installer before purchase.
Specifications
| SKU | LS38343850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 24,000 |
| Heating BTU | 40,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 22.000000 |
| 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. |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 92% |
| Blower Motor | Multi Speed |
| Maximum CFM | 800 |
| Configuration | Upflow / Downflow |
| Burner Stages | Single |
| Fuel Type | Gas |
| Height | 27.5" |
| Width | 26" |
| Depth | 26" |
| Resources | Goodman Installation Manual Goodman Specifications Goodman Brochure Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts Manual You will need Adobe® Acrobat® Reader to view PDF documents. |
| Liquid Line | 3/8" |
| Suction Line | 3/4" |
| Tonnage | 2 Ton |
| Style | A-Coil |
| Energy Star | No |
| SEER1 (Efficiency) | 14 |
| Condenser Stages | Single Stage |
| Compressor Type | Rotary |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 25 amps |
| Min. Breaker Size | 14.3 amps |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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