Review
ACiQ's 3.5 ton air conditioner represents the practical middle ground in residential cooling. With 42,000 BTU capacity, it handles standard mid-sized homes without oversizing complexity. The 14 SEER rating sits above baseline efficiency standards, making it attractive to contractors balancing cost and performance. While not carrying Energy Star designation, this unit competes effectively in the value-conscious segment where reliability and straightforward installation matter more than peak efficiency ratings.
Performance specs show real-world capability: 42,000 cooling BTU from a scroll compressor operating at single-stage capacity with R410A refrigerant. The variable-speed ECM blower motor moves up to 1,675 CFM, adapting to heating and cooling demands. At 73 dBA, it produces notable sound, comparable to a busy office environment. The unit accepts optional electric backup heat up to 19 kilowatts, making it suitable for split heat pump applications in moderate climates.
Pros & Cons
Pros
- 14 SEER efficiency rating provides solid energy savings versus baseline 13 SEER units
- Variable-speed ECM blower motor adjusts to demand, reducing runtime noise and energy waste
- Scroll compressor delivers proven reliability with minimal moving parts and lower failure rates
- Oversized 4 ton condenser paired with 3.5 ton capacity provides additional thermal headroom
- 10-year warranty with online registration covers defects and compressor failure
Cons
- 73 dBA noise level is moderate to loud, comparable to busy traffic, requiring adequate outdoor clearance
- Not Energy Star certified, missing qualification for some utility rebates and tax credits
- Single-stage compressor cannot modulate capacity, resulting in higher cycling losses than two-stage units
Who Should Buy
Best For
This unit fits contractors installing systems in homes between 1,500 and 2,000 square feet where budget matters but efficiency still counts. Homeowners in moderate climates seeking straightforward, dependable cooling with reasonable efficiency will find solid value here.
Consider Alternatives If
Skip this if you need Energy Star qualification for rebates, live in extreme heat zones where higher SEER ratings pay off quickly, or require ultra-quiet operation near sensitive outdoor living spaces.
Installation
Installation requires 208/240-volt single-phase power with dedicated circuits rated 57 to 60 amps on the first circuit and 50 amps on the second. The condenser measures 49 inches tall by 21 inches square, fitting standard equipment pads. Standard 3/8-inch liquid and 7/8-inch suction lines with 3/8-inch insulation thickness simplify field connections. Technicians appreciate the straightforward scroll compressor design and accessible valve configurations.
Warranty & Reliability
Ten years of coverage applies with free online registration, protecting against manufacturing defects and compressor failure. Registration is straightforward and required to activate full coverage. This warranty period matches industry standards for quality equipment. Coverage excludes damage from improper installation, maintenance neglect, or refrigerant contamination.
Specifications
| SKU | ACIQ-4X-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 42,000 |
| Heating BTU | 64,800 |
| Refrigerant | R410A |
| Electrical | 208 / 230 / 240 Volts / 1 Phase |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| Energy Star | No |
| SEER1 (Efficiency) | 14 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | Circuit 1: 60 amps / Circuit 2: 50 amps |
| Min. Breaker Size | Circuit 1: 57 amps / Circuit 2: 50 amps |
| Tonnage | 4 Ton |
| Height | 49" |
| Width | 21" |
| Depth | 21" |
| Resources | Goodman Installation Manual Goodman Specifications Goodman Parts Manual Goodman Service Manual Goodman Kit Installation Manual 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. |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1,675 |
| Electric Backup Heat Capabilities (Optional) | 5 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts, 19 Kilowatts |
| Filter Size | 19.5" x 20" |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Fuel Type | Electric |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
| Electric Heat | 19 Kilowatts |
| Phase | Single Phase |
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.