Review
The ACiQ 4-ton downflow system is a practical middle-ground solution bridging basic and high-end HVAC. This furnace and air conditioner combo targets contractors who swap Goodman equipment and homeowners seeking reliable performance without premium pricing. At 80,000 BTU heating capacity and 48,000 BTU cooling (13 SEER), it handles moderate heating loads and delivers acceptable summer cooling. The downflow configuration is a genuine advantage for installations in tight spaces, basements, and closets where traditional upflow units won't fit.
The 96% AFUE furnace is the standout efficiency metric here, converting nearly all fuel to usable heat while keeping electrical draw reasonable at 208/230V single-phase. The variable-speed ECM blower motor maxes out at 1600 CFM and adjusts mid-cycle to reduce energy waste during partial-load heating. Cooling performance lags slightly behind split-stage competitors because the single-stage reciprocating compressor runs full-bore or off with no in-between, but the R454B refrigerant future-proofs against EPA restrictions. Two-stage burner heating improves on/off cycling behavior during milder weather.
Pros & Cons
Pros
- 96% AFUE furnace efficiency qualifies for most utility rebates and keeps heating costs competitive
- Variable-speed ECM blower motor adapts airflow across 1600 CFM maximum, improving comfort and reducing fan runtime
- R454B refrigerant is EPA-approved low-GWP option, future-proofs against regulatory phase-outs
- Downflow/horizontal configuration fits tight closets or basement installations where upflow won't work
- PVC plastic flue reduces installation cost compared to metal vent requirements on older units
Cons
- Single-stage compressor can't modulate cooling capacity, so efficiency drops in mild weather when running at full power
- 13 SEER is baseline modern efficiency, not exceptional, older high-efficiency units may perform similarly
- No Energy Star certification despite good efficiency ratings, marketing appeal limited
Who Should Buy
Best For
Contractors doing equipment swaps on existing Goodman installations will appreciate the straightforward compatibility and retrofit-friendly design. Homeowners in areas without extreme summers who want reliable heating and decent cooling efficiency at fair pricing are the ideal fit.
Consider Alternatives If
Skip this unit if you live in a hot climate or want variable-capacity cooling to minimize cycling during shoulder seasons, or if you need Energy Star certification for rebate programs.
Installation
Downflow orientation makes this unit ideal for basement or crawlspace installations where headroom is tight or ductwork runs downward. PVC plastic exhaust flue is simpler than metal venting, cutting labor time. The 3/8-inch liquid line and 1 1/8-inch suction line with factory-insulated prep keep field connections straightforward. Breaker sizing sits between 26.3 and 45 amps, fitting standard residential panels. AHRI certificate 7368843 ensures matching with approved coils.
Warranty & Reliability
Ten-year parts coverage requires online registration, a minor extra step that protects your investment. Coverage is solid for a mid-tier system but trails premium brands offering 12-year terms. Registration is free and typically takes five minutes, so treat it as essential post-installation paperwork rather than a burden.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 48,000 |
| Heating BTU | 80,000 |
| Refrigerant | R454B |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 76 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| 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 |
| Energy Star | No |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Height | 30" |
| Width | 21" |
| Depth | 21" |
| Resources | CAPT Installation Manual CAPT 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. |
| Replaces | GSX130483, GSX130484, GSX130485 |
| SEER1 (Efficiency) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Liquid Valve Size | 3/8" |
| Max Breaker Size | 45 amps |
| Min. Breaker Size | 26.3 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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