Review
The ACiQ Goodman 3.5-ton downflow system occupies solid middle ground in the mid-market HVAC space. This combo furnace and air conditioner unit targets contractors and homeowners tired of choosing between bare-bones efficiency and premium pricing. The R410A refrigerant, scroll compressor, and aluminum A-coil construction represent mature, proven technology rather than latest innovations. For residential installations where downflow configuration is necessary, this unit delivers predictable performance without unnecessary complexity.
Performance numbers tell a practical story. The 92% AFUE furnace converts nearly all fuel to heat, translating to roughly 15-20% lower winter bills compared to 80% units common in older homes. Cooling capacity reaches 41,000 BTU with 14 SEER efficiency, qualifying for Energy Star recognition and many regional rebates worth $200-500. The multi-speed blower adjusts output between 42,000 BTU heating and 41,000 BTU cooling demands, eliminating the short-cycling problems fixed-speed motors create in mild seasons.
Pros & Cons
Pros
- 92% AFUE furnace efficiency exceeds federal minimums by 7-10 percentage points, reducing heating costs measurably
- 14 SEER cooling efficiency qualifies for Energy Star certification and many regional utility rebates
- Multi-speed blower motor optimizes comfort by matching airflow to actual heating and cooling load
- Downflow/horizontal configuration fits tight spaces where traditional upflow units won't work
- 10-year warranty with online registration provides solid long-term protection for furnace and coil
Cons
- Single-stage burner and compressor lack the efficiency gains of two-stage alternatives in partial-load scenarios
- Heating output of 42,000 BTU suggests this is actually a 3.5-ton equivalent, not true 5-ton capacity as listed
- 74 dB noise level runs louder than premium variable-speed competitors, noticeable during operation
Who Should Buy
Best For
Contractors installing systems in retrofit downflow applications and homeowners in mixed climates wanting efficient baseline equipment. This unit appeals to budget-conscious buyers who prioritize reliability and don't need cutting-edge variable-capacity performance.
Consider Alternatives If
Anyone needing maximum efficiency should compare 16-17 SEER alternatives, and homes with limited electrical service below 24 amps cannot use this unit.
Installation
Downflow installation requires vertical ductwork below the furnace and a plastic PVC exhaust flue to the exterior. Electrical demands range from 24 to 40-amp breakers at 208-230 volts, single phase. Valve connections use 3/8-inch liquid lines and 7/8-inch suction lines with 1/2-inch insulation. Most contractors complete installation in one day for new construction or competent retrofit work.
Warranty & Reliability
ACiQ provides 10 years of coverage on the furnace and evaporator coil when registered online within 60 days of installation. This protects against manufacturing defects but excludes wear items and installation errors. Registration is simple and critical, missing this step voids the warranty entirely.
Specifications
| SKU | ACIQ-4X-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 41,000 |
| Heating BTU | 42,000 |
| Refrigerant | R410A |
| 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 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 92% |
| Blower Motor | Multi Speed |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| 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. |
| Product Features | Rebate Available |
| 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 | 40 amps |
| Min. Breaker Size | 24 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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