Review
The Goodman 3.5 ton horizontal system represents a solid mid-range choice for homeowners balancing efficiency and budget. At 97% AFUE and 13 SEER, it delivers above-average heating performance with respectable cooling capacity. The horizontal A-coil design fills a real market gap for installations where traditional vertical units simply don't fit. Energy Star certification and a 10-year warranty with online registration add confidence, though pricing and feature set place it in the practical category rather than premium tier.
Heating output reaches 100,000 BTU with a modulating burner that varies flame intensity, reducing runtime and improving comfort. Cooling delivers 42,000 BTU through a reciprocating compressor running on R410A refrigerant. The variable-speed ECM motor can push air at up to 2000 CFM, adapting to load demands. Electrical requirements are minimal, 115V 60Hz at 23.9-40 amps, making this practical for retrofit installations without panel upgrades.
Pros & Cons
Pros
- 97% AFUE heating efficiency with modulating burner stages reduces natural gas consumption significantly compared to standard 80-90% units
- 13 SEER cooling rating paired with R410A refrigerant delivers solid year-round performance for most climates
- Variable-speed ECM blower motor adjusts to 2000 CFM maximum, improving comfort and air circulation without constant fan noise
- Horizontal A-coil configuration fits attics and crawlspaces where traditional vertical setups won't work
- 115V single-phase electrical requirement reduces installation complexity and doesn't require dedicated 208/230V service
Cons
- 13 SEER is adequate but trails newer 14-16 SEER models, meaning higher cooling costs in hot climates
- Single-stage compressor lacks variable capacity, so it cycles on/off rather than modulating cooling output like two-stage units
- 75 dB noise level is moderate to loud during operation, potentially noticeable in quieter homes during heating season
Who Should Buy
Best For
Homeowners with space constraints needing high-efficiency heating in horizontal applications, particularly those in moderate climates where heating costs dominate cooling costs. Contractors installing in attics or crawlspaces will appreciate the compact 21x21x26 inch footprint and straightforward 115V electrical specs.
Consider Alternatives If
Those in hot southern climates should consider 14+ SEER units, and buyers seeking ultra-quiet operation may find the 75 dB output objectionable during frequent cycles.
Installation
This horizontal unit requires plastic or PVC exhaust flue with right-side location. Line set includes 3/8 inch liquid line and 7/8 inch suction line with 3/8 inch insulation, totaling 30 feet maximum length. Sweat-style valve connections demand soldering skills or professional installation. Tight 21x21x26 inch dimensions fit most attic/crawlspace spaces, but ensure adequate clearance for airflow and service access.
Warranty & Reliability
Ten-year manufacturer warranty activates with free online registration, covering parts and labor for defects. This is respectable coverage in the mid-tier market. Registration is straightforward but required, so buyers must complete it immediately after installation to maximize protection. ACiQ backs the evaporator coil separately, addressing a common failure point.
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 | 21" |
| Width | 21.125" |
| Depth | 26" |
| Resources | CHPF Installation Manual CHPF 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 | 7424267 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Horizontal |
| Flue Location | Right |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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