Review
The Goodman ACiQ 4-ton upflow gas furnace and air conditioner system represents mainstream HVAC equipment designed for straightforward residential replacement applications. This pairing delivers balanced performance across heating and cooling without premium pricing. The unit configuration supports upflow or horizontal installation, making it adaptable to most residential layouts. With Energy Star certification and modern refrigerant compliance, it addresses current environmental standards while offering contractors familiar installation procedures.
The 100,000 BTU heating capacity at 97% AFUE efficiency is genuinely strong, meaning homeowners lose only 3% of fuel energy through venting and equipment losses. Cooling performance reaches 48,000 BTU at 14 SEER1, which translates to 8.3 EER, sufficient for most moderate climates. The modulating gas furnace adjusts burner output rather than simple on/off cycling, improving temperature stability. The ECM blower motor operates at variable speeds up to 2000 CFM, allowing quieter operation during partial-load conditions compared to single-speed alternatives.
Pros & Cons
Pros
- 97% AFUE furnace rating means superior heating efficiency and lower winter gas bills
- Modulating burner stages optimize comfort by adjusting heat output rather than cycling on/off
- Variable-speed ECM blower motor reduces energy consumption and improves air distribution
- R454B refrigerant uses modern low-GWP formulation for environmental compliance
- PVC flue compatibility simplifies venting in retrofit applications without masonry chimneys
Cons
- 14 SEER1 rating is respectable but not high-efficiency, trailing 16+ SEER systems by 15-20% cooling efficiency
- Single-stage condenser means cooling capacity doesn't modulate, only the compressor cycles on and off
- 74 dB noise level is moderately loud, particularly noticeable during evening operation in quiet neighborhoods
Who Should Buy
Best For
Homeowners replacing older furnace and air conditioner units who prioritize reliable performance over cutting-edge efficiency. Contractors installing complete systems in moderate climate zones where winter heating demands justify the 97% AFUE investment.
Consider Alternatives If
Those in hot climates needing maximum cooling efficiency should compare 16-18 SEER units, and buyers seeking whisper-quiet operation should audition models rated below 72 dB.
Installation
Installation requires standard 115V single-phase power with circuit breaker between 26.4 and 45 amps. The unit dimensions measure 34.5 inches tall, 21 inches wide, and 28.75 inches deep, fitting standard utility closets or basements. A-coil configuration uses 3/8-inch liquid and 7/8-inch suction lines with 3/8-inch insulation on refrigerant tubing. PVC flue venting eliminates masonry chimneys, reducing installation complexity in many retrofit scenarios.
Warranty & Reliability
Coverage extends 10 years with online registration, protecting against manufacturing defects in compressor, coil, and electrical components. This warranty duration matches competitor mid-tier offerings but trails premium brands at 12-15 years. Registration requirement adds a minor administrative step but ensures coverage activation and potential rebate eligibility.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 48,000 |
| 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 |
| 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 | 45 amps |
| Min. Breaker Size | 26.4 amps |
| Tonnage | 5 Ton |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Specifications 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 | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7424267 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Flue Location | Right |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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