Review
The ACiQ 4-ton downflow furnace and air conditioner combo lands in the practical middle ground of the residential HVAC market. Badged as Goodman equipment, this system targets replacement jobs and new construction where budget constraints matter but efficiency gains are still valued. At $3,136 installed cost, it undercuts premium brands by 20-30 percent while maintaining respectable performance metrics and a decade-long warranty. Contractors appreciate its straightforward specifications and broad fuel compatibility.
Performance numbers reveal a competent, if unspectacular, offering. The furnace delivers 96% AFUE heating efficiency, nearly matching high-end condensing models and cutting heating fuel consumption versus older 80-85% equipment. Cooling capacity reaches 48,000 BTU at 14 SEER, sufficient for moderate climates but trailing 16-18 SEER competitors. The variable-speed ECM blower motor with 2,000 CFM maximum airflow continuously adjusts to actual demand, reducing on-off cycling. Two-stage burner operation provides steady heating at partial load. R454B refrigerant keeps the system current with EPA standards.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means lower heating bills compared to 80-90% units, recovering upgrade costs over 5-7 years
- Variable-speed ECM blower motor adapts to actual heating and cooling demand, improving comfort and reducing energy waste
- 4-ton capacity with 120,000 BTU heating and 48,000 BTU cooling suits most single-family homes in IECC zones 4-6
- Two-stage burner allows modulated operation, reducing short-cycling and improving temperature consistency
- Dual-fuel capability handles both natural gas and propane, offering flexibility for rural or conversion scenarios
- PVC plastic exhaust flue requirement simplifies venting compared to traditional metal ductwork
Cons
- No ENERGY STAR designation means missing rebates and tax credits available for higher-tier equipment in some states
- 14 SEER cooling efficiency is adequate but trails 16+ SEER competitors by 12-15% annual cooling energy
- 74 dBA noise level edges toward upper range for residential equipment, noticeable in quiet neighborhoods
- Single-stage condenser cannot modulate cooling capacity, leading to less precise temperature control in partial-load conditions
Who Should Buy
Best For
Contractors bundling affordable complete systems for cost-conscious homeowners and property managers managing multiple rentals. This unit works well for HVAC replacement jobs where the customer prioritizes upfront savings and moderate efficiency gains over premium features.
Consider Alternatives If
Buyers in mild climates who can justify higher-SEER units through rebates, or those seeking variable-capacity cooling should explore single-stage alternatives with lower noise output.
Installation
Downflow configuration suits basements and attics with horizontal runs to floor vents. The 120-pound weight and 36-inch height fit standard mechanical closets. PVC plastic exhaust venting eliminates costly chimney modifications. Requires 208/230V single-phase 60 Hz service with 26.4 to 45 amp breaker sizing. Liquid and suction line diameters (3/8 inch and 7/8 inch) demand proper brazing and nitrogen purging. Installation time averages 6-8 hours for experienced crews.
Warranty & Reliability
Goodman backs this unit with a standard 10-year parts and labor warranty upon online registration. Coverage includes the compressor, blower motor, and heat exchanger, protecting against manufacturing defects. Registration is straightforward and typically completes within 30 days. No extended plans are offered. Homeowners should retain all receipts and maintain service records for claim eligibility.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 48,000 |
| Heating BTU | 120,000 |
| Refrigerant | R454B |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| AHRI Certificate Number | 7368845 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Energy Star | No |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Height | 36.25" |
| Width | 35.5" |
| Depth | 35.5" |
| Resources | Goodman Installation Manual Goodman Specifications Goodman Brochure Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts Manual 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. |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Tonnage | 4 Ton |
| Style | A-Coil |
| 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 |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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