Review
The ACiQ ACIQ-48-EHPD-UPG represents the practical middle ground in hybrid HVAC systems. Combining a heat pump condenser with a two-stage gas furnace, this unit addresses a real contractor need: upgrading homes where gas service is permanent and climate doesn't justify all-electric conversion. At 4 tons nominal capacity with 14 SEER1 cooling efficiency, it lands squarely in the efficient-but-conventional tier that dominated residential HVAC before heat pump market acceleration.
Performance specs reveal some interesting trade-offs. The unit delivers 46,000 BTU of cooling capacity, slightly below the 48,000 BTU suggested by 4-ton nominal tonnage, creating undersizing risk in design calculations. Heating output reaches 100,000 BTU through the two-stage gas burner at 80% AFUE. At 74 dBA, the scroll compressor operates quieter than typical single-stage equipment. The 2000 CFM maximum airflow supports adequate distribution in medium-sized homes, though airflow management matters given the multi-speed blower and A-coil configuration.
Pros & Cons
Pros
- 14 SEER1 cooling efficiency exceeds federal minimum by 40%, reducing summer electricity costs significantly
- Two-stage burner with 80% AFUE provides adequate heating efficiency while avoiding heat pump defrost cycles in cold snaps
- Scroll compressor rated for R454B is quieter at 74 dBA than many single-stage units, improving neighbor relations
- A-coil upflow configuration fits standard attic and crawlspace installations without major ductwork modifications
- 10-year parts warranty with online registration covers compressor and heat exchanger, the most expensive failure points
Cons
- Cooling capacity at 46,000 BTU trails the stated 4-ton nominal rating, creating undersizing risk in hot climates
- Single-stage compressor lacks modulation, running full-bore or off, wasting energy during mild weather operation
- 80% AFUE furnace efficiency is now baseline, not premium, as high-efficiency options reach 95% AFUE
- Limited to 40-amp breaker maximum constrains compatibility with older residential electrical panels
Who Should Buy
Best For
Contractors installing replacement systems in moderate climates (zones 5-7) where homeowners want year-round efficiency without all-electric conversion costs. Ideal for upflow attic installations where A-coil fits existing plenums and gas lines already exist.
Consider Alternatives If
Skip this if you're in hot climates below zone 5, need true variable-capacity cooling, or want to eliminate gas dependence entirely, as the undersized 46,000 BTU cooling capacity and non-modulating compressor will disappoint.
Installation
This upflow A-coil mounts vertically in attics or crawlspaces above furnace units with minimal modification. Valve work requires 3/8-inch liquid line and 1 1/8-inch suction line with 1/2-inch insulation. Suction line runs up to 50 feet maximum. Electrical hookup demands 120V single-phase 60 Hz service with breaker sizing between 26.4 and 40 amps. Most technicians complete installation in one day on replacement jobs.
Warranty & Reliability
The 10-year parts warranty activates through online registration, covering compressor and coil failures, the costliest repair scenarios. Labor costs remain your responsibility. Compared to some competitors offering 5-year standard coverage, this extended protection reduces out-of-pocket risk during years 6 through 10. Registration takes five minutes online.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 46,000 |
| Heating BTU | 100,000 |
| Refrigerant | R454B |
| Electrical | 120 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| 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" |
| Max Breaker Size | 40 amps |
| Min. Breaker Size | 26.4 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation Manual Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information 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 | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Multi-Speed |
| Maximum CFM | 2000 |
| Burner Stages | Two |
| Fuel Type | Gas |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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