Review
The Goodman 3-ton gas furnace and heat pump system occupies the pragmatic middle ground of residential HVAC equipment. It combines a natural gas furnace section with an air conditioning component to deliver heating and cooling from one cabinet, simplifying installation in existing homes. Goodman's reputation for durability at accessible price points makes this SKU attractive to budget-conscious homeowners and contractors managing cost-sensitive replacement jobs.
Performance specs reveal competent but not cutting-edge engineering. The furnace delivers 80,000 BTU input with 80% AFUE efficiency, producing 36,000 BTU of usable heat. Cooling capacity matches at 36,000 BTU (3-ton), with SEER1 rating of 16 and ENERGY STAR qualification. Two-stage burner control and two-stage condenser operation improve part-load efficiency during mild weather. The variable-speed blower caps at 2000 CFM, adjusting output to match demand rather than running constantly.
Pros & Cons
Pros
- Two-stage burner and condenser provide better modulation than single-stage units, reducing short cycling and improving comfort
- Variable-speed blower motor maximizes efficiency across heating and cooling seasons with 2000 CFM maximum airflow
- 80,000 BTU heating capacity and 36,000 BTU cooling handle 3-ton loads with ENERGY STAR certification on cooling side
- Dual fuel capability runs on natural gas or propane, offering flexibility for rural and urban installations
- 10-year warranty with online registration covers both parts and labor on key components
Cons
- 80% AFUE is dated by 2024 standards, newer models hit 95%+ AFUE, meaning higher operating costs over the unit's 15-year lifespan
- Upflow only configuration limits retrofit flexibility in basements or crawlspaces requiring downflow discharge
- 73 dBA noise level at full stage is louder than high-efficiency competitors, noticeable during heating cycles
Who Should Buy
Best For
Contractors stocking mid-tier inventory for replacement jobs in areas without strict efficiency codes will find this attractive. Homeowners replacing 15+ year old systems who prioritize upfront cost savings over operational efficiency should also consider this option.
Consider Alternatives If
Skip this if you're in a high-efficiency mandate region, need downflow configuration, or plan to stay in the home 10+ years where AFUE differential costs matter significantly.
Installation
This upflow configuration requires 38.25 inches of vertical clearance with 35.5-inch width and depth footprint. Metal exhaust flue is mandatory for the furnace section. Electrical service needs 208/230V single-phase 60Hz with breaker sizing between 20.3 and 35 amps depending on load calculations. R410A refrigerant lines use 3/8 inch liquid and 7/8 inch suction connections with 3/4 inch insulation on suction lines. Most installations take 4-6 hours for experienced technicians.
Warranty & Reliability
The 10-year warranty requires online registration to activate and covers major components on both heating and cooling sides. Labor is included during the registration period, which significantly reduces out-of-pocket repair costs. However, after 10 years, any failures fall entirely on the owner. Goodman's warranty typically excludes misinstallation, improper maintenance, and refrigerant leaks from mechanical damage.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 36,000 |
| Heating BTU | 36,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| AHRI Certificate Number | 204633302 |
| 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 | 38.25" |
| Width | 35.5" |
| Depth | 35.5" |
| Resources | Goodman Specifications Goodman Customer Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Technical Information Goodman Technical Publication 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. |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Tonnage | 3 Ton |
| Style | A-Coil |
| Product Features | Rebate Available, Two Stage Condenser |
| Energy Star | Yes |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 35 amps |
| Min. Breaker Size | 20.3 amps |
| Valve Type | Sweat |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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