Review
The Goodman 4-ton combo system with 100,000 BTU furnace sits squarely in the mainstream HVAC market, targeting contractors and homeowners who prioritize efficiency and value over premium features. Manufactured by ACiQ under the Goodman brand, this downflow-capable unit combines a gas furnace with an air conditioning condenser in a compact footprint, measuring 30 by 21 by 21 inches and weighing 120 pounds. Energy Star certification and modern refrigerant signal this equipment meets today's environmental standards without requiring future compliance upgrades.
Performance metrics here are genuinely strong for the price tier. The furnace achieves 96% AFUE, meaning nearly all natural gas or propane converts to usable heat, a substantial step up from legacy equipment running 78-82% efficiency. The air conditioning side delivers 14 SEER1 using R454B refrigerant, with cooling capacity at 48,000 BTU (4 tons). The variable-speed ECM blower motor ramps from zero to 2,000 CFM based on demand, avoiding the energy waste of constant-speed fans that run full power even during partial-load conditions. Two-stage burner operation allows the furnace to run at reduced capacity during shoulder seasons.
Pros & Cons
Pros
- 96% AFUE means excellent heating efficiency, recovering nearly all fuel energy compared to 80-85% in older furnaces
- 14 SEER cooling efficiency qualifies as Energy Star, reducing summer electricity costs noticeably over single-stage units
- Variable-speed ECM blower motor adjusts airflow automatically, cutting runtime noise to 74 dB and improving comfort
- Two-stage burner on furnace allows low-fire operation for mild weather, extending cycle times and reducing short-cycling
- R454B refrigerant meets current EPA regulations without requiring mid-life system replacement like older R-22 equipment
Cons
- 5-ton cooling capacity paired with 100,000 BTU heating creates tonnage mismatch for some homes, potentially oversizing or undersizing one component
- Single-stage compressor lacks modulation in the air conditioner, cycling on and off rather than varying capacity like higher-end units
- 74 dB noise level is acceptable but higher than premium inverter-driven compressor systems, which run at 68-70 dB
Who Should Buy
Best For
Contractors and homeowners replacing 10-plus-year-old equipment who want measurable efficiency gains and reliable mid-market performance. This system fits homes needing 4 to 5 tons of cooling and 100,000 BTU heating without paying for variable-capacity compressors or premium features.
Consider Alternatives If
Buyers prioritizing whisper-quiet operation or those in homes where cooling and heating tonnage don't align well should compare modulating systems or consult load calculations first.
Installation
This system accepts downflow or upflow installation, adapting to various home layouts, especially basements and crawlspaces. Electrical requirements are straightforward, demanding 115V single-phase 60 Hz service with 26.4 to 45-amp breaker sizing. Suction and liquid lines are sized at 7/8 inch and 3/8 inch respectively, with 3/8-inch insulation thickness on the suction line. PVC/plastic flue exhaust is compatible. AHRI certificate 7368844 confirms proper matched refrigerant and component pairing.
Warranty & Reliability
Goodman covers this unit with a 10-year warranty when registered online, a standard industry practice that protects compressor, heat exchanger, and coil defects. Online registration is simple and highly recommended because it extends protection at no extra cost. Coverage does not include labor, so factor installation costs into total ownership. This warranty ranks competitively for mid-market equipment.
Specifications
| SKU | ACIQ-48-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 48,000 |
| Heating BTU | 100,000 |
| 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 | 30" |
| Width | 21" |
| Depth | 21" |
| Resources | CAPT Installation Manual CAPT 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 | 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 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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