Review
The Goodman 3.5 Ton dual-fuel system represents solid mid-range performance for homeowners seeking balanced heating and cooling. Listed at 100,000 BTU heating capacity with 34,800 BTU cooling output, it covers typical three to four-bedroom home needs effectively. The combination of 96% AFUE and 16 SEER2 efficiency positions it competitively against standard equipment. ENERGY STAR certification and Online Supply's distribution network make it accessible to both contractors and direct buyers.
Performance specs reveal a workhorse design rather than cutting-edge technology. The 96% AFUE furnace with two-stage burner modulates heating for comfort while minimizing waste, though the single-stage scroll compressor handles cooling without variable capacity adjustment. Maximum CFM reaches 2000 with the variable-speed ECM blower, supporting larger ductwork layouts effectively. The 16 SEER2 rating surpasses the advertised 15 SEER, suggesting conservative manufacturer claims. At 73.5 dB operation, noise levels remain acceptable for residential settings.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs significantly compared to 80-90% models
- 16 SEER2 cooling efficiency exceeds initial 15 SEER rating, providing better summer performance
- Two-stage burner adjusts heating output for improved comfort and lower short-cycling
- Variable-speed ECM blower motor optimizes airflow while reducing electricity consumption
- ENERGY STAR certified with 10-year warranty when registered online
- Two-valve refrigerant lines with 3/4 inch insulation minimize temperature loss
Cons
- Single-stage compressor provides less modulation than two-stage units, potentially higher noise at 73.5 dB
- Requires proper ductwork sizing to handle maximum 2000 CFM for optimal performance
- Dual-fuel capability demands proper gas line setup, increasing installation complexity
Who Should Buy
Best For
Homeowners in areas with moderate to cold winters and warm summers who want efficiency upgrades without ultra-premium costs. Contractors installing systems for budget-conscious clients who value heating efficiency should consider this 3.5 ton unit.
Consider Alternatives If
Those needing variable-capacity cooling should explore two-stage compressor alternatives, and properties with severe space limitations may struggle with the 30 by 21 by 21 inch cabinet dimensions.
Installation
Installation demands proper natural gas or propane line sizing, 115V single-phase 60 Hz electrical service with 18.7 to 30 amp breaker capacity, and PVC exhaust flue for safe venting. The upflow cabinet orientation suits basements or utility spaces with 30 by 21 by 21 inch clearance. Ductwork should accommodate the 2000 CFM maximum airflow. Professional installation is strongly recommended for refrigerant charging and gas line safety.
Warranty & Reliability
Goodman provides 10-year parts coverage with online registration, offering strong protection for homeowners. The warranty covers compressor, heat exchanger, and other major components. Registration through Online Supply's portal is straightforward. This extended coverage reflects manufacturer confidence in product longevity and gives buyers meaningful financial protection.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 100,000 |
| Refrigerant | R410A |
| 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 | 30" |
| Width | 21" |
| Depth | 21" |
| Resources | CAPT Installation Manual CAPT Specifications Sheet Goodman Evaporator Coil 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. |
| AHRI Certificate Number | 7368836 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| 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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