Review
The ACiQ 4-ton dual-fuel system (model ACIQ-48-EHPD-UPG) bridges the gap between budget-conscious homeowners and those seeking legitimate efficiency upgrades. Marketed as a Goodman product line replacement for the GSZ140491, this unit pairs a heat pump condenser with a gas furnace in a single upflow configuration. Energy Star certification and reasonable pricing make it attractive for mid-range residential installations across mixed climates.
Cooling capacity reaches 46,000 BTU with 14 SEER1 efficiency through a single-stage scroll compressor operating at 115V single-phase. Heating delivers 80,000 BTU at 92% AFUE from a single-stage gas burner, making it suitable for homes up to approximately 3,500 square feet. The A-coil design with multi-speed blower and 1,600 CFM maximum airflow accommodates most existing ductwork. Refrigerant suction line runs up to 50 feet, offering flexibility in outdoor condenser placement.
Pros & Cons
Pros
- 14 SEER1 cooling efficiency meets Energy Star requirements and reduces summer utility bills significantly
- 92% AFUE gas furnace provides reliable winter heating with minimal fuel waste
- Dual-fuel design eliminates need for separate cooling and heating systems
- Single-stage scroll compressor keeps noise at manageable 74 dBA
- 10-year warranty with online registration provides strong consumer protection
- R454B refrigerant is lower-GWP alternative to older R410A systems
Cons
- Single-stage compressor cannot modulate capacity, resulting in less precise temperature control than variable-speed units
- 74 dBA noise level is noticeably louder than high-end variable-speed competitors at 70-72 dBA
- Product name lists 4-ton cooling but specs show 5-ton tonnage, creating potential confusion during sizing
Who Should Buy
Best For
Homeowners replacing older split systems who want efficiency gains without premium pricing and contractors serving mid-market residential accounts. Best fit for homes in regions with moderate heating and cooling seasons where a gas furnace backup adds value over heat-pump-only systems.
Consider Alternatives If
Climate zones with extreme cold winters should consider higher-capacity units, and buyers prioritizing whisper-quiet operation should look at variable-speed models.
Installation
Upflow configuration and A-coil design fit standard vertical furnace closets and attic spaces common in most homes. Requires PVC or plastic flue venting with right-side flue location, which may need rerouting in some installations. Electrical demands 26.4 to 40-amp breaker and 115V single-phase power, standard in residential panels. Valve connections are sweat-type with 3/8-inch liquid and 1 1/8-inch suction lines needing proper insulation.
Warranty & Reliability
ACiQ backs this unit with a 10-year full replacement warranty when registered online within 60 days of purchase. Coverage includes compressor, heat exchanger, and sealed components against manufacturing defects. Online registration is straightforward but required, so skipping it voids coverage. Typical labor and installation costs fall outside warranty scope.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 46,000 |
| Heating BTU | 80,000 |
| 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 | GSZ140491 |
| Product Features | Rebate Available |
| Energy Star | Yes |
| SEER1 (Efficiency) | 14 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 40 amps |
| Min. Breaker Size | 26.4 amps |
| Tonnage | 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 | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| 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 | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.