Review
The Goodman 3 Ton 13 SEER gas furnace and air conditioner system occupies a practical middle ground in the residential HVAC market. This downflow unit combines a 100,000 BTU furnace with a 36,000 BTU condenser, designed for homes replacing mid-range equipment. The ACiQ branding signals Goodman's focus on reliable, no-frills performance rather than cutting-edge features. Real-world installation experience shows this unit appeals most to budget-conscious homeowners and contractors looking to balance efficiency gains with manageable costs.
The furnace delivers 96% AFUE with two-stage burners, meaning it modulates heat output based on demand rather than cycling on and off at full capacity. The air conditioner achieves 13 SEER1 efficiency using R454B refrigerant and a reciprocating compressor with single-stage operation. The variable-speed ECM blower motor adjusts CFM between 0 and 2000 to match heating and cooling demand, improving comfort consistency. These specs translate to measurable energy savings compared to 80% AFUE and 10 SEER systems still operating in many homes.
Pros & Cons
Pros
- 96% AFUE gas furnace with two-stage burners for modulated heating and reduced energy waste
- 13 SEER air conditioner meets Energy Star standards with R454B refrigerant
- Variable-speed ECM blower motor with 2000 CFM maximum airflow optimizes comfort and efficiency
- 10-year warranty with online registration provides meaningful protection against defects
- Downflow configuration with A-coil design fits attic or closet installations in most homes
Cons
- Single-stage compressor in AC unit lacks the efficiency of variable-capacity alternatives
- 74 dB noise level is louder than premium condensers, noticeable during operation
- R454B refrigerant is newer, so technician familiarity and future availability may vary by region
Who Should Buy
Best For
Homeowners with existing 3 to 3.5 ton systems needing replacement, especially those prioritizing upfront affordability without sacrificing ENERGY STAR compliance. Contractors installing in mixed-climate zones where heating and cooling loads are roughly balanced.
Consider Alternatives If
Anyone requiring ultra-quiet operation or variable-capacity compressors should explore higher-tier models, and properties with tight attic space may struggle with the 34.5-inch height and downflow orientation.
Installation
Installation requires standard 115V single-phase 60Hz electrical service with 19.1 to 30 amp breaker capacity, well within typical residential panels. The downflow configuration suits attic, closet, or utility room placement with adequate clearance. Sweat-valve connections use 3/8-inch liquid and 7/8-inch suction lines with 3/8-inch insulation. A plastic PVC exhaust flue is required. Most HVAC contractors complete installation in 4 to 6 hours on a replacement job, assuming existing ductwork and electrical hookups are compatible.
Warranty & Reliability
Goodman provides a 10-year parts warranty when you register online, covering compressor and heat exchanger failures. This is competitive for mid-tier equipment and protects against manufacturing defects during typical system lifespan. Labor and refrigerant are generally excluded, so factor service costs into long-term ownership planning. Ten years aligns with realistic equipment life before efficiency gains from replacement outweigh repair costs.
Specifications
| SKU | ACiQ-36-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 36,000 |
| Heating BTU | 100,000 |
| Refrigerant | R454B |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| Replaces | GSX130362, GSX130363, GSX130365 |
| Energy Star | Yes |
| SEER1 (Efficiency) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 30 amps |
| Min. Breaker Size | 19.1 amps |
| Tonnage | 3.5 Ton |
| Valve Type | Sweat |
| 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 | 7368844 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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