Review
The 3-ton Goodman gas furnace and air conditioner system represents solid mid-market equipment for residential HVAC applications. Manufactured by Goodman, a division of Daikin with decades of commercial and residential experience, this upflow/horizontal A-coil configuration addresses typical single-family home cooling and heating needs. The system combines 100,000 BTU heating output with 36,000 BTU cooling capacity, making it suitable for homes between 1,500 and 2,000 square feet depending on climate and insulation.
Performance specs show competitive efficiency for the price point. The 92% AFUE furnace converts nearly all fuel energy to usable heat, reducing heating costs versus 80-85% baseline models. The 14 SEER air conditioning condenser delivers respectable cooling without premium pricing. Electric specifications call for 115V single-phase power with 18.7 to 30 amp breaker sizing, manageable for most homes. The multi-speed blower motor optimizes airflow between 0-1,600 CFM depending on demand, balancing comfort with runtime efficiency.
Pros & Cons
Pros
- 92% AFUE furnace efficiency reduces heating costs compared to 80% baseline units
- 14 SEER cooling rating provides solid air conditioning performance without premium pricing
- Multi-speed blower motor adjusts airflow for comfort and efficiency throughout the day
- Upflow/horizontal configuration fits most residential installations with flexible placement options
- 10-year warranty with online registration covers parts and labor peace of mind
- Scroll compressor technology is proven durable and commonly serviced by local HVAC techs
Cons
- Single-stage compressor means less precise temperature control than two-stage or modulating units
- 73 dB noise level is audible during operation, noticeably louder than premium models
- Not ENERGY STAR certified, missing potential rebates in some utility programs
- R410A refrigerant compatibility requires careful handling during service and eventual replacement
Who Should Buy
Best For
Homeowners in zones 5-7 replacing systems older than 12 years will see payback within 5-7 years through lower utility bills. Contractors working on budget-conscious residential projects benefit from the straightforward design and rapid deployment without specialized training.
Consider Alternatives If
Buyers in extreme climates or those prioritizing whisper-quiet operation should explore variable-capacity systems or premium brands that offer 16+ SEER ratings.
Installation
Installation requires standard HVAC skills and tools. Upflow placement typically fits basement or utility closet spaces, with 34.5-inch height and 21 by 28.75-inch footprint leaving room for service access. Refrigerant lines use 3/8-inch liquid and 3/4-inch suction connections with 3/4-inch insulation thickness to minimize efficiency loss. PVC exhaust flue on the right side must vent to exterior safely. Full ductwork evaluation ensures proper airflow distribution across living spaces.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty when you register online after purchase. Labor coverage varies by dealer participation, so confirm coverage details before installation. The extended period provides reasonable protection against compressor failure or coil defects, though homeowners should maintain annual service to preserve warranty eligibility.
Specifications
| SKU | LS38343830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 36,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 35.000000 |
| Feature | Spec |
| Energy Star | No |
| SEER1 (Efficiency) | 14 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Line | 3/8" |
| Suction Line | 3/4" |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| 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 | Upflow/Horizontal |
| Style | A-Coil |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 92% |
| Blower Motor | Multi Speed |
| Maximum CFM | 1600 |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 30 feet |
Frequently Asked Questions
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