Review
The ACiQ 4-ton heat pump represents a practical middle-ground solution for residential HVAC applications. Branded under Goodman's portfolio, this horizontal A-coil unit targets contractors and homeowners seeking reliable heating and cooling without premium feature sets. At 120 pounds, it's manageable for attic installation, while the compact 35.5-inch width fits standard ceiling cavities. The unit delivers 46,000 BTU cooling capacity and 47,000 BTU heating capacity, making it suitable for homes in the 1,500 to 2,000 square foot range depending on climate and insulation.
Performance-wise, the variable-speed ECM blower motor is the standout feature, modulating airflow between 1 and 2,000 CFM based on demand. This approach reduces short-cycling and improves humidity control compared to fixed-speed models. The 14 SEER1 rating and Energy Star certification indicate solid efficiency, though not outstanding. The scroll compressor operates at single stage, meaning it runs either fully on or off, which is less elegant than modulating designs but proven reliable. Backup heat options range from 3 to 20 kilowatts, providing flexibility for cold-climate applications where heat pump performance drops below 32 degrees Fahrenheit.
Pros & Cons
Pros
- Variable-speed ECM blower motor reduces energy waste and noise compared to fixed-speed alternatives
- 46,000 BTU cooling and 47,000 BTU heating capacity handles 4-ton applications effectively
- R454B refrigerant meets current EPA standards with lower environmental impact than older R410A systems
- Flexible backup heat options from 3 kW to 20 kW accommodate various installation scenarios
- Energy Star certified with 14 SEER1 efficiency rating and 10-year warranty with online registration
- Horizontal A-coil configuration works well in tight attic spaces and basement installations
Cons
- 15 SEER rating claimed in product title but specs show 14 SEER1, creating potential confusion
- 74 dB noise level is moderate, not exceptionally quiet compared to premium variable-capacity units
- Single-stage compressor lacks the efficiency gains of two-stage or variable-capacity designs
Who Should Buy
Best For
Contractors installing systems in moderate-climate zones where heating demand is significant but not extreme, and homeowners upgrading older units who want solid efficiency without premium pricing. This unit works particularly well in applications where backup electric heat will be actively used.
Consider Alternatives If
Buyers in extremely hot southern climates seeking maximum cooling efficiency or those prioritizing whisper-quiet operation should consider variable-capacity or scroll compressor alternatives.
Installation
Installation requires standard 208/230V single-phase power with breaker sizing between 26.4 and 40 amps depending on backup heat selection. Refrigerant lines feature 3/8-inch liquid and 1 1/8-inch suction connections with 50-foot pre-charged linesets available. The 1/2-inch suction line insulation prevents condensation in humid climates. Horizontal orientation suits attic mounting, though technicians must ensure adequate return air and proper vibration isolation.
Warranty & Reliability
ACiQ backs this unit with a 10-year parts warranty activated through online registration. This is competitive mid-range protection that covers compressor failure, fan motor issues, and refrigerant leaks. Registration is straightforward and typically required within 30 days of installation. Proof of professional installation may be required, so confirm this with your contractor before purchase.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 46,000 |
| Heating BTU | 47,000 |
| Refrigerant | R454B |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2,000 |
| Electric Backup Heat Capabilities (Optional) | 3 Kilowatts, 5 Kilowatts, 6 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts, 20 Kilowatts |
| Max Breaker Size | 40 amps |
| Tonnage | 4 Ton |
| Height | 38.25" |
| Width | 35.5" |
| Depth | 35.5" |
| Resources | Goodman Specifications Goodman Customer Brochure Goodman Installation Instructions Goodman Kit Instructions Goodman Parts Manual Goodman Service Manual Goodman 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 | Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Replaces | GSZ140491 |
| Product Features | Rebate Available |
| Energy Star | Yes |
| SEER1 (Efficiency) | 14 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Min. Breaker Size | 26.4 amps |
| Valve Type | Sweat |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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