Review
The ACiQ 3.5-ton combo system (SKU ACIQ-4X-EHPD-UPG) bridges the gap between basic and premium HVAC equipment with solid efficiency ratings and straightforward upflow/downflow configuration. This gas furnace and air conditioner package targets contractors and homeowners seeking mid-tier performance without high-end costs. The unit integrates a scroll-type compressor, two-stage gas burner, and multi-speed ECM blower in a compact footprint measuring 30 inches tall by 24.5 inches wide.
Heating output reaches 120,000 BTU with 96% AFUE efficiency, delivering substantial warmth while minimizing fuel waste. Cooling capacity sits at 42,000 BTU with 14 SEER rating, placing it firmly in ENERGY STAR territory. The two-stage burner automatically runs at 50% capacity during mild weather, then fires to full output only when needed. Multi-speed ECM blower technology ramps down fan speed when full airflow isn't required, further reducing runtime and electricity draw.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means lower heating bills, especially during shoulder seasons when full capacity isn't needed
- 14 SEER cooling meets ENERGY STAR standards and performs well in moderate climates without extreme summer heat demands
- Two-stage burner technology provides quiet, efficient operation at 73 decibels by running at reduced capacity most of the time
- Multi-speed ECM blower motor adjusts fan speed automatically for improved comfort and reduced electricity consumption
- PVC/plastic flue compatibility simplifies venting in many retrofit installations where metal ducting isn't available
Cons
- Single-stage air conditioner compressor won't modulate cooling capacity, limiting efficiency in very hot climates or during peak load hours
- Spec sheet shows tonnage confusion (title states 3.5 ton but specs list 5 ton), suggesting possible documentation errors or SKU mismatch
- 73 dB noise level is moderate and acceptable, but not among the quietest options for sound-sensitive homeowners
Who Should Buy
Best For
Homeowners in mild-to-moderate climates upgrading from 10+ year old furnace-and-AC systems want straightforward efficiency gains without premium pricing. This system fits well in northern regions where heating dominates cooling loads, or temperate areas with balanced seasonal demand.
Consider Alternatives If
Buyers in hot climates (Arizona, Texas, Florida) should pursue variable-capacity compressors for better summer efficiency, and those prioritizing whisper-quiet operation need to audition units before purchasing.
Installation
Installation uses standard 3/8-inch liquid lines and 7/8-inch suction lines with 3/8-inch factory insulation, fitting typical residential piping layouts. Plastic PVC flue venting simplifies retrofit installations where metal ducting is impractical. The unit requires 115V, single-phase 60 Hz power with breaker sizing between 22 and 35 amps. Most contractors complete installation within one day after proper ductwork evaluation.
Warranty & Reliability
ACiQ backs this system with a 10-year parts warranty upon online registration, a standard offering in this equipment tier. Warranty covers compressor, heat exchanger, and components, but excludes labor and refrigerant. Registration typically takes 10 minutes through the manufacturer website and ensures maximum coverage duration.
Specifications
| SKU | ACIQ-4X-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 42,000 |
| Heating BTU | 120,000 |
| Refrigerant | R410A |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| 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 | 35 amps |
| Min. Breaker Size | 22 amps |
| Tonnage | 5 Ton |
| Height | 30" |
| Width | 24.5" |
| 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi-Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Two |
| Fuel Type | 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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