Review
The ACiQ 3.5 ton vertical A-coil sits squarely in the mid-market segment where contractors need reliable equipment without premium pricing. Branded under ACiQ but designed for Goodman system compatibility, this uncased coil addresses a real market need: budget-conscious replacements where the outdoor unit is aging and a full system upgrade isn't justified. At this price point, you're trading cutting-edge efficiency for straightforward installation and proven scroll compressor reliability.
The 42,000 BTU capacity pairs with a 14 SEER rating, delivering respectable efficiency for homes built before 2015 when 16+ SEER became standard. The scroll compressor runs at single-stage operation, meaning it cycles fully on and off rather than modulating speed. The unit operates on standard 208/230V single-phase power with breaker requirements between 22 and 35 amps. The 73 dB noise level is moderate but noticeable during peak cooling, typical for single-stage equipment in this class.
Pros & Cons
Pros
- 42,000 BTU capacity delivers adequate cooling for mid-size homes without oversizing
- 14 SEER efficiency balances performance with affordability, beating older 10-13 SEER equipment
- Lightweight at 120 lbs, simplifying installation in attics and basements
- Works on standard 208/230V single-phase power with reasonable 22-35 amp breaker range
- Uncased vertical design saves installation time compared to more complex configurations
- 10-year warranty with online registration provides solid peace of mind for homeowners
Cons
- 73 dB noise level is noticeably loud, especially during cooling cycles in quiet neighborhoods
- Single-stage compressor cannot modulate capacity, cycling on and off rather than operating at variable speed
- 14 SEER is outdated by modern standards, where 16+ SEER models are becoming baseline
- Not Energy Star certified, meaning higher long-term operating costs versus more efficient alternatives
- R410A refrigerant requires proper handling and evacuation procedures during replacement
Who Should Buy
Best For
Contractors servicing existing Goodman systems on tight budgets, and homeowners in rental properties or older homes where premium efficiency doesn't justify the cost. This coil works best for replacement scenarios where the outdoor condenser is already 10+ years old and replacement timing is flexible.
Consider Alternatives If
Homeowners prioritizing low energy bills, newer construction projects, and anyone in climates with extreme cooling demands should look at 16+ SEER coils instead.
Installation
Installation is straightforward for experienced HVAC techs. The 27 inch height and 23 inch width fit standard attic and basement spaces. The vertical uncased design accepts both upflow and downflow configurations, offering flexibility. Connection requirements are simple: 3/8 inch liquid line and 7/8 inch suction line with 3/8 inch insulation thickness. Pre-charged with 30 feet of refrigerant line included. Evacuation and proper R410A handling are essential.
Warranty & Reliability
Coverage includes 10 years of parts protection when you register online, a reasonable commitment for equipment at this price level. Registration is straightforward and typically extends coverage immediately upon activation. The warranty covers manufacturing defects and refrigerant leaks, though labor costs are your responsibility. Online registration is required, so save your documentation.
Specifications
| SKU | ACIQ-4X-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 42,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| 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 | 35 amps |
| Min. Breaker Size | 22 amps |
| Tonnage | 4 Ton to 5 Ton |
| Height | 27" |
| Width | 23" |
| Depth | 20 1/8" |
| Resources | CAUF Installation Manual CAUF 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. |
| Configuration | Upflow / Downflow |
| 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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