Review
This Goodman 3-ton combo addresses a real gap in the market for homeowners tired of paying premium prices for basic reliability. The downflow A-coil configuration works in most residential installations, and the brand's parts availability remains strong across North America. At $647, you're getting a trusted manufacturer's core offering without the premium features that inflate costs for many competing systems. Goodman remains the go-to choice for volume replacements where budget matters.
The heating side delivers 80,000 BTU at 96% AFUE with two-stage burner operation, meaning your furnace converts almost all fuel to usable heat. Cooling reaches 34,800 BTU with a 16 SEER2 rating from a scroll compressor using standard R410A refrigerant. The variable-speed ECM blower motor handles airflow up to 1600 CFM, reducing cycling and improving temperature consistency. Energy Star certification validates these numbers and qualifies you for utility rebates in most regions.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means heating bills 10-15% lower than 80s-era units
- 16 SEER2 cooling rating, 34,800 BTU capacity handles 3-ton loads efficiently
- Variable-speed ECM blower motor adjusts automatically, improving comfort and reducing noise
- Two-stage burner provides more stable heating and longer furnace lifespan
- 10-year warranty with online registration covers defects comprehensively
- Energy Star certified reduces annual operating costs without premium pricing
Cons
- Single-stage compressor limits part-load cooling efficiency during mild weather
- 73.5 dB noise level is moderate, noticeable from adjacent rooms during operation
- Downflow configuration limits placement options, requires adequate attic or basement return airflow
Who Should Buy
Best For
Homeowners replacing 10+ year old furnace/AC combos who want efficiency without luxury pricing. Budget-conscious contractors installing systems in multi-family or rental properties will appreciate the solid performance-to-cost ratio.
Consider Alternatives If
Those seeking whisper-quiet operation or advanced staging features should look at higher-SEER variable-capacity systems, which cost more but offer measurable quiet and efficiency gains.
Installation
The downflow configuration requires proper return air ducting from above the unit, typically routed through the attic. Electrical needs are straightforward, 115V single-phase with 18.7 to 30-amp breaker range. PVC plastic exhaust flue is standard, simplifying venting compared to older units. Most licensed HVAC contractors complete installation in one day. The 3/8-inch liquid line and 7/8-inch suction line with 3/4-inch insulation are standard sizes, reducing custom fabrication.
Warranty & Reliability
Goodman covers parts and defects for 10 years when you register online after purchase. This is solid mid-range coverage, longer than many competitors at this price point. Labor coverage details depend on your installer's agreement, so confirm before purchase. Registration is simple but required, so don't skip this step. Most failures occur in years 2-5, so this warranty protects against compressor or heat exchanger failure.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73.5 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Energy Star | Yes |
| 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 |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman 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. |
| Configuration | Downflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7368843 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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