Review
The ACiQ 4-ton downflow system sits squarely in the contractor-friendly segment, designed as a direct replacement for legacy Goodman models like the GSX130483 through GSX130485. At 80,000 BTU heating capacity and 48,000 BTU cooling output, it handles moderate climate zones efficiently without oversizing. This unit arrives as a complete matched system, which simplifies field logistics and ensures component compatibility. ACiQ's positioning emphasizes value over premium features, making it attractive to price-conscious homeowners and high-volume replacement contractors.
The heating side impresses with a 97% AFUE rating and modulating burner that adjusts flame intensity automatically based on demand, unlike single-stage units that simply cycle on and off. The variable-speed ECM blower motor runs at reduced speeds during partial-load conditions, consuming substantially less electricity than fixed-speed alternatives. Cooling specs are solid but unremarkable: 13 SEER1 efficiency and single-stage operation mean you get adequate performance without premium capabilities. The 1600 CFM maximum airflow suits the 4-ton tonnage, and the A-coil configuration works well in downflow applications typical of attic or basement installations.
Pros & Cons
Pros
- 97% AFUE furnace efficiency is genuinely high-tier for gas heating, reducing monthly heating costs measurably
- Modulating burner system adapts to heating demand rather than cycling on and off, improving comfort and efficiency
- Variable-speed ECM blower motor runs quieter at part-load and adjusts airflow automatically, reducing energy waste
- 13 SEER air conditioner meets modern baseline efficiency without oversizing cooling capacity
- PVC/plastic flue compatibility simplifies retrofit installations where masonry chimneys don't exist
- 10-year parts warranty with online registration provides solid coverage for residential buyers
Cons
- R454B refrigerant is newer and less familiar to some technicians, potentially limiting service options in rural areas
- 76 dB noise level at full capacity is noticeably audible, though typical for this tonnage class
- Single-stage condenser means cooling runs at fixed capacity, less precise than two-stage systems in mild weather
- No Energy Star certification, though 97% AFUE still beats the federal 95% minimum
- 208/230V single-phase requirement may require electrical upgrades in older homes
Who Should Buy
Best For
Contractors replacing failed Goodman or Amana systems in existing homes want this unit. Homeowners in cold climates with 4-ton cooling loads and reasonable heating demands benefit most from the efficiency-to-cost ratio.
Consider Alternatives If
Skip this if you need two-stage cooling for mild climates, prefer established refrigerants like R410A, or require Energy Star certification for rebate programs.
Installation
Downflow orientation works best in attic or basement locations where discharge flows downward. PVC flue compatibility eliminates expensive masonry chase work on retrofits. The unit requires 208/230V single-phase power at 26.3 to 45 amps, so older electrical panels may need breaker upgrades. Refrigerant line set runs up to 50 feet with 3/8-inch liquid and 1 1/8-inch suction connections. Field technicians should verify R454B availability locally before ordering.
Warranty & Reliability
Ten-year parts warranty coverage applies when you register the unit online after installation. Registration is straightforward and typically takes five minutes. This timeframe covers compressor failure, heat exchanger cracks, and most component defects. Labor and refrigerant charges fall outside coverage. Goodman's evaporator coil carries separate coverage as detailed in included documentation.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 48,000 |
| Heating BTU | 80,000 |
| Refrigerant | R454B |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 76 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| AHRI Certificate Number | 7424271 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Energy Star | No |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| 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. |
| Replaces | GSX130483, GSX130484, GSX130485 |
| SEER1 (Efficiency) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Liquid Valve Size | 3/8" |
| Max Breaker Size | 45 amps |
| Min. Breaker Size | 26.3 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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