Review
The ACiQ-branded Goodman 3.5-ton gas furnace and AC combo targets the value-conscious market segment where entry-level efficiency meets modest pricing. At $647, this downflow system delivers respectable performance without boutique features or premium cooling stages. The 80,000 BTU heating capacity and 42,000 BTU cooling capacity address mid-range residential needs effectively. This system competes directly against builder-grade Lennox and Carrier units in the budget tier, though Goodman's manufacturing reliability and parts availability give it an edge.
Performance specifications reveal a heating-focused design with the standout 97% AFUE furnace rating, which recovers nearly all combustion heat versus typical 90-93% competitors. The modulating burner and variable-speed ECM blower motor create runtime flexibility that older single-stage furnaces cannot match. On the cooling side, 13 SEER SEER1 efficiency translates to higher summer electric bills than 14-16 SEER units, though it meets federal minimums. The single-stage reciprocating compressor handles moderate cooling loads adequately but lacks multi-stage efficiency for sustained heat. Electrical requirements are minimal at 115V single-phase with a 40-amp maximum breaker, simplifying installation.
Pros & Cons
Pros
- 97% AFUE furnace efficiency significantly reduces heating costs compared to 80-90% units
- 13 SEER cooling efficiency meets Energy Star standards for modest cooling seasons
- Modulating burner and variable-speed ECM blower motor optimize comfort and runtime efficiency
- Downflow A-coil configuration fits tight attic and horizontal spaces easily
- 10-year warranty with online registration covers major components
- $647 price point undercuts most competing 3.5-ton systems by $200-400
Cons
- Single-stage compressor cannot modulate cooling capacity, leading to short-cycle wear in hot climates
- 13 SEER is entry-level, meaning higher cooling electricity costs than 14-16 SEER alternatives
- 75 dB sound level is noticeably louder than premium competitors, potentially an issue near living spaces
- R410A refrigerant adds to servicing costs compared to emerging R32 systems
Who Should Buy
Best For
Homeowners in moderate climates replacing 10-15 year old systems who prioritize upfront affordability over premium efficiency. Budget-conscious contractors installing systems for rental properties or clients with limited capital also make ideal buyers.
Consider Alternatives If
Anyone in hot southern climates needing constant cooling should seek multi-stage compressors, and noise-sensitive households should audition the 75 dB output before purchasing.
Installation
The downflow A-coil design fits attics, basements, and tight horizontal spaces without extensive ductwork modifications. Sweat valve connections require basic brazing skills or HVAC contractor labor. Liquid and suction line sizes are standard, 3/8-inch and 7/8-inch respectively, matching most existing lineset installations. PVC exhaust flue compatibility with right-side discharge works well in new construction. Variable-speed ECM blower reduces electrical stress and allows existing ductwork to breathe better than constant-torque motors.
Warranty & Reliability
The 10-year parts warranty requires online registration and covers compressor, heat exchanger, and condenser failures without labor costs specified. This tier is industry standard for budget systems, though premium competitors offer 10-12 year labor coverage. Goodman parts availability nationwide means repair costs stay reasonable if components fail. Warranty does not cover refrigerant or refrigerant losses typical in installation errors.
Specifications
| SKU | ACIQ-4X-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 42,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 75 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| Energy Star | Yes |
| SEER1 (Efficiency) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Liquid Valve Size | 3/8" |
| Max Breaker Size | 40 amps |
| Min. Breaker Size | 23.9 amps |
| Tonnage | 3.5 Ton |
| Valve Type | Sweat |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation Instructions 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 | Downflow/Horizontal |
| Style | A-Coil |
| AHRI Certificate Number | 7424271 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Flue Location | Right |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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