Review
ACiQ's 3.5-ton combination system represents solid engineering for residential HVAC applications requiring both robust heating and reliable cooling. This horizontal configuration suits tight installation spaces where vertical clearance is limited. With a 100,000 BTU furnace paired to a 42,000 BTU cooling capacity, the system handles real-world comfort demands in homes ranging from 1,200 to 1,800 square feet across most climate zones. The unit earns Energy Star certification, signaling compliance with federal efficiency standards.
The furnace delivers 96% AFUE efficiency through condensing technology, capturing waste heat that traditional 80% units discard up the flue. The air conditioner's 13 SEER rating reflects single-stage compressor operation using R410A refrigerant. A variable-speed ECM blower motor tops out at 2,000 CFM and automatically adjusts to minimize runtime while maintaining consistent temperatures. Two-stage burner modulation during milder weather reduces short-cycling and delivers steadier comfort than single-stage alternatives.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs significantly compared to 80-90% models
- 13 SEER condenser meets Energy Star standards with single-stage reciprocating compressor for reliability
- Variable-speed ECM blower motor delivers up to 2,000 CFM while lowering electricity consumption
- Two-stage burner adapts to heating demand, improving comfort during partial-load operation
- 10-year warranty with online registration provides genuine peace of mind protection
- Horizontal A-coil configuration suits retrofit applications in cramped attic or basement spaces
Cons
- Single-stage cooling compressor cannot modulate capacity, leading to higher humidity on mild days
- 75 dB noise level during operation ranks slightly above ultra-quiet premium units
- 13 SEER rating is respectable but lags behind 14-16 SEER models available at similar price points
Who Should Buy
Best For
Contractors installing complete systems for price-conscious homeowners in mixed climates, and property owners upgrading 15-20 year old equipment who prioritize heating efficiency. This unit delivers measurable utility savings without requiring premium financing.
Consider Alternatives If
Buyers in hot climates seeking maximum cooling efficiency or those unwilling to register the unit online, since the 10-year warranty requires registration.
Installation
This horizontal A-coil connects via 3/8-inch sweat fittings for the liquid line and 7/8-inch for suction return, both standard on most gas furnace linesets. Electrical demand requires 115V, single-phase power and a 23.9-40 amp breaker, typical for most homes. The 120-pound weight permits roof or attic mounting without structural reinforcement. PVC flue exhaust simplifies venting in sealed-combustion installations.
Warranty & Reliability
ACiQ provides 10 years of parts coverage contingent on online registration within 30 days of installation. This timeframe aligns with manufacturer standard practice and requires documented proof of purchase. Coverage protects against defects in materials and workmanship but excludes wear items like capacitors and contactors under normal use conditions.
Specifications
| SKU | ACIQ-4X-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 42,000 |
| Heating BTU | 100,000 |
| 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 | 7368844 |
| 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 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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