Review
The ACiQ 3.5 ton split system represents the middle-tier efficiency sweet spot for residential HVAC replacements. This upflow configuration pairs an 80,000 BTU furnace with a 36,000 BTU condenser, delivering reliable heating and cooling for homes in the 2,000 to 2,500 square foot range. At $647, it undercuts premium brands while maintaining the efficiency certifications contractors and homeowners expect from modern equipment.
Real-world performance hinges on two specifications that matter most. The furnace's 96% AFUE rating means 96 cents of every fuel dollar generates heat, cutting winter operating costs versus older 80% AFUE equipment. The condenser's 14 SEER1 rating with R454B refrigerant delivers similarly strong cooling efficiency. The two-stage burner modulates output to match heating demand, while the variable-speed ECM blower reduces energy use during partial-load operation, both practical efficiency gains.
Pros & Cons
Pros
- 96% AFUE furnace efficiency significantly reduces heating costs, among the highest available in gas furnace category
- 14 SEER cooling efficiency with R454B refrigerant meets current EPA standards and earns Energy Star certification
- Variable-speed ECM blower motor delivers up to 1,600 CFM with improved part-load performance and humidity control
- Two-stage gas burner allows modulating heat output, reducing short-cycling and improving comfort consistency
- 10-year warranty with online registration provides solid coverage for both furnace and air conditioning components
- Single-stage scroll compressor design is proven, simple to service, and cost-effective for technicians
Cons
- Single-stage compressor means no variable capacity, so cooling doesn't modulate based on load, wasting energy during mild days
- 73 dB noise level runs noticeably loud compared to variable-capacity systems, may be objectionable in quiet neighborhoods
- Requires plastic/PVC flue venting, limiting retrofit applications where metal exhaust is already installed
- No inverter or variable-frequency drive on compressor limits efficiency potential versus higher-tier systems
Who Should Buy
Best For
Homeowners in moderate climates replacing 10+ year old systems want straightforward efficiency and reliability without paying for inverter technology. Contractors serving cost-conscious clients who value efficiency but need to keep system pricing under $700 will find strong margins here.
Consider Alternatives If
Buyers in very hot climates needing maximum cooling efficiency or those prioritizing quiet operation should look at variable-capacity alternatives, which cost more but deliver better part-load performance.
Installation
This upflow unit fits standard closets or basements with 30-inch height and 21-inch width, though the right-side flue exit requires plastic/PVC venting. Technicians need 115V single-phase power, a 30-amp breaker, and basic refrigerant recovery equipment. Scroll compressor design simplifies service calls. Plan 4 to 6 hours for complete installation including ductwork modifications.
Warranty & Reliability
The 10-year parts warranty requires online registration but covers furnace heat exchangers, gas valves, and compressor failure. This aligns with industry standard mid-tier coverage. It excludes wear items like filters and capacitors. The registration process is straightforward and protects your investment against manufacturing defects.
Specifications
| SKU | ACiQ-36-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 36,000 |
| Heating BTU | 80,000 |
| Refrigerant | R454B |
| 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 Line | 3/8" |
| Suction Line | 3/4" |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 30 Amps |
| Min. Breaker Size | 18.7 Amps |
| Tonnage | 3.5 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 | 7368835 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/4" |
| Length | 30 feet |
Frequently Asked Questions
Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.