Review
The ACiQ 4-ton system represents a practical mid-tier HVAC solution that balances efficiency gains against reasonable installation costs. This upflow configuration delivers 100,000 BTU heating and 48,000 BTU cooling capacity, making it suitable for homes ranging from 1,500 to 2,000 square feet. The system ships with an A-coil design, which is straightforward to integrate with existing ductwork and supports both upflow and downflow orientations.
The 96% AFUE gas furnace performs solidly for winter heating, and the 14 SEER air conditioning meets Energy Star standards. The two-stage burner allows the furnace to modulate heat output, improving part-load efficiency during milder days. The ECM multi-speed blower motor adjusts airflow from 0 to 1,600 CFM, optimizing comfort while reducing unnecessary energy consumption. R454B refrigerant represents a forward-looking choice as the HVAC industry transitions away from R410A.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces annual heating costs significantly compared to 80-90% units
- 14 SEER cooling rating with Energy Star certification meets modern efficiency standards
- R454B refrigerant future-proofs the system against upcoming EPA phaseout regulations
- Two-stage burner and multi-speed ECM blower motor provide precise comfort control
- 10-year warranty with online registration offers solid long-term protection
- PVC/plastic flue compatibility simplifies installation and venting in many homes
Cons
- Single-stage compressor lacks variable capacity for maximum efficiency in fluctuating temperatures
- 74 dB noise level runs louder than some premium inverter-driven units during operation
- 5-ton cooling capacity may be oversized for some 4-ton heating applications
Who Should Buy
Best For
Homeowners in mixed-climate regions needing balanced heating and cooling with strong efficiency ratings will find real value here. Contractors installing in homes with budget constraints but utility-conscious owners should consider this system seriously.
Consider Alternatives If
Skip this if you need maximum cooling performance in hot climates or prefer ultra-quiet operation, as the single-stage compressor and 74 dB rating limit both performance scalability and noise reduction.
Installation
Installation requires 115V single-phase power and a 26.4 to 45-amp breaker. Refrigerant lines use 3/8-inch liquid and 7/8-inch suction piping with 3/8-inch foam insulation rated for 30 feet maximum run length. The unit weighs 120 pounds and measures 30 inches high by 21 inches wide and deep, fitting standard utility closets. PVC flue venting simplifies ductwork compared to metal requirements on older furnaces.
Warranty & Reliability
ACiQ backs this system with a 10-year parts warranty upon online registration, which is competitive for this price segment. The warranty covers the compressor, heat exchanger, and major components but excludes wear items. Registration takes minutes online and unlocks the full coverage period, so don't skip this step at startup.
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 | 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi-Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Two |
| Fuel Type | Gas |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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