Review
Goodman's 4-ton gas furnace and air conditioner system represents solid mid-market equipment trusted by contractors across North America. This downflow configuration addresses a specific installation need, fitting homes where traditional upflow designs create routing conflicts. At 14 SEER1 cooling efficiency and 97% AFUE heating, the system balances performance with reasonable cost, positioning itself against brands like Lennox and Carrier's entry-tier offerings rather than budget imports.
Real-world efficiency numbers tell the story: the modulating burner adjusts output from 20% to 100%, matching actual heating demand instead of crude on-off cycling. The variable-speed ECM blower runs at 1600 CFM maximum but throttles down during milder weather, reducing compressor runtime and electricity draw. Cooling delivers 48,000 BTU from a single-stage compressor, sufficient for moderate climates but less efficient than two-stage equipment in extreme heat. The 80,000 BTU heating capacity handles cold snaps without auxiliary resistance strips.
Pros & Cons
Pros
- 97% AFUE furnace efficiency minimizes natural gas consumption and monthly heating bills
- Modulating burner adjusts output continuously rather than cycling on/off, reducing wear and temperature swings
- Variable-speed ECM blower motor runs only as fast as needed, cutting electricity use versus single-speed units
- 14 SEER1 cooling efficiency qualifies for Energy Star and typical utility rebates
- Downflow configuration fits attics or closets where upflow models won't work
- R454B refrigerant meets current EPA standards with zero ozone depletion potential
Cons
- 5-ton capacity may be oversized for smaller homes, reducing modulation benefits and increasing first cost
- Single-stage condenser means cooling operates at full power or idle, less efficient than two-stage alternatives
- 74 dB noise level is audible during operation, particularly compressor cycles in quiet neighborhoods
- Requires plastic PVC exhaust flue, adding material cost and limiting some installation scenarios
Who Should Buy
Best For
Homeowners replacing failed systems in homes requiring downflow configuration, particularly those in areas with high heating demand and cold winters. Contractors installing complete systems for moderate to large homes where 5-ton capacity matches load calculations and variable-speed efficiency justifies the upfront investment.
Consider Alternatives If
Budget-conscious buyers should compare single-stage prices first, and homes with noise sensitivity near bedrooms may prefer quieter premium options or systems with sound blankets.
Installation
Downflow installation requires vertical ductwork below the unit, typically in attics above living spaces. The 34.5-inch height and 120-pound weight fit most utility closets but demand proper structural support. Electrical needs are straightforward, 115V single-phase 60Hz with 26.4 to 45-amp breaker sizing. Refrigerant lines use 3/8-inch liquid and 7/8-inch suction, requiring proper insulation and evacuation. Plastic PVC exhaust flue routing must slope slightly for condensate drainage.
Warranty & Reliability
The 10-year parts warranty covers compressor, coil, and burner components when registered online within 30 days of installation. This is industry-standard for Goodman equipment but requires documentation and registration compliance. Labor costs and service calls fall to homeowners, typical for mid-tier brands. Extended warranties are available through dealers, offering peace of mind for risk-averse buyers.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 48,000 |
| Heating BTU | 80,000 |
| Refrigerant | R454B |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| 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 | 45 amps |
| Min. Breaker Size | 26.4 amps |
| Tonnage | 5 Ton |
| 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 |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7424271 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Flue Location | Right |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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