Review
The Goodman 4-ton downflow system represents a practical middle ground in the HVAC market. Combining an 80,000 BTU furnace with 48,000 BTU cooling capacity, this unit addresses both heating and cooling needs in a single package. The 96% AFUE rating and 14 SEER1 efficiency marks position it above builder-grade equipment but below premium variable-capacity systems. Real-world contractors appreciate its straightforward design and proven reliability track record across residential applications.
Performance metrics justify the efficiency claims. The 96% AFUE furnace converts nearly all fuel to usable heat, reducing seasonal heating costs by approximately 15 to 20 percent versus 80% AFUE units. The air conditioning side delivers 48,000 BTU cooling with 14 SEER1 efficiency through a scroll compressor and single-stage operation. Two-stage burner control and a variable-speed ECM blower motor at 1600 CFM maximum provide modulation across part-load conditions. The 74 dB noise profile remains typical for this equipment class, neither exceptionally quiet nor problematic for most installations.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs substantially compared to 80% AFUE models
- 14 SEER1 rating qualifies for Energy Star certification and many regional utility rebates
- Two-stage burner and variable-speed ECM blower motor optimize comfort and efficiency across operating conditions
- Downflow/upflow flexibility accommodates various installation configurations in existing homes
- 10-year parts warranty with online registration provides solid peace of mind for equipment investment
- R454B refrigerant meets current EPA standards and reduces environmental impact versus older refrigerants
Cons
- Single-stage compressor limits cooling efficiency on extremely hot days compared to two-stage units
- 74 dB noise level runs moderately loud during operation, noticeable to nearby occupants
- Requires 26.4 to 45 amp breaker sizing, potentially necessitating electrical panel upgrades in older homes
Who Should Buy
Best For
Contractors and homeowners in zones 4-6 replacing aging furnace-AC units who prioritize heating efficiency and want reliable mid-tier equipment without spending on premium variable-capacity systems. This system works well for moderate-sized homes where 96% AFUE payback occurs within 5-7 years.
Consider Alternatives If
Buyers in hot climates needing maximum cooling efficiency should consider two-stage compressor units, and those with tight electrical infrastructure should verify breaker requirements before purchasing.
Installation
Installation complexity rates moderate. The unit requires 115V single-phase 60Hz power with breaker sizing between 26.4 and 45 amps, necessitating verification on older electrical systems. Downflow configuration suits attic or closet placement in typical homes. Connection to existing ductwork, refrigerant lines, and gas supply follows standard protocols. A-coil design with 3/8-inch suction line insulation maintains refrigerant efficiency. PVC exhaust flue compatibility simplifies venting in modern homes compared to masonry chimneys.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty, activated through online registration within 30 days of purchase. This coverage protects against manufacturer defects in compressor, furnace heat exchanger, and control boards. Labor and refrigerant charges typically fall outside warranty scope, so clarify service terms with your contractor before installation completion.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 48,000 |
| Heating BTU | 80,000 |
| 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 | CAPF Installation Manual CAPF 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. |
| AHRI Certificate Number | 7368843 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Propane, Natural 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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