Review
The Goodman 3.5 Ton Gas Furnace and Air Conditioner System represents the sweet spot between budget-conscious contractors and homeowners tired of aging equipment inefficiency. This split system pairs a 100,000 BTU furnace with a 42,000 BTU air conditioner, each delivering mid-tier efficiency ratings that outperform legacy equipment by meaningful margins. Energy Star certification and qualifying SEER ratings unlock federal tax incentives, making the actual out-of-pocket cost more competitive than the headline price suggests. Goodman's market position as an accessible alternative to premium brands means widespread dealer support and familiar installation procedures.
The furnace operates at 96% AFUE, meaning 96 cents of every dollar spent on fuel converts to usable heat, a substantial improvement over baseline 80-82% equipment. The two-stage burner fires at reduced capacity during mild weather, minimizing on-off cycling that wastes energy. The air conditioner achieves 14 SEER single-stage cooling with a scroll compressor and R410A refrigerant. The variable-speed ECM blower adjusts motor speed to room demand, consuming significantly less electricity than fixed-speed motors. Combined performance yields approximately 15-20% annual energy savings versus 10-year-old systems in typical residential applications.
Pros & Cons
Pros
- 96% AFUE furnace captures almost all fuel energy, reducing heating costs by 10-15% compared to 80% AFUE systems
- 14 SEER cooling efficiency qualifies for federal tax credits and Energy Star certification
- Two-stage burner adjusts heating output automatically, improving comfort and reducing short-cycling
- Variable-speed ECM blower motor uses 75% less electricity than fixed-speed alternatives
- Lifetime heat exchanger warranty provides long-term peace of mind on the system's core component
- PVC exhaust compatibility simplifies installation in homes without existing metal flues
Cons
- 5-ton tonnage is oversized for 3.5-ton cooling capacity, which increases equipment footprint unnecessarily
- Single-stage compressor cannot modulate cooling output, causing efficiency loss on mild days
- 73 dB noise level runs audibly louder than premium competitors during operation
- Scroll compressor is less durable under low-charge conditions common in field installations
Who Should Buy
Best For
Homeowners replacing failing 15-20 year old systems who prioritize upfront savings and long-term reliability over premium features. Contractors valuing straightforward installation and parts availability will appreciate this unit's proven track record and standard connections.
Consider Alternatives If
Anyone seeking variable-capacity cooling for energy optimization, homes in extreme climates requiring maximum efficiency, or buyers who cannot tolerate moderate operating noise should explore variable-speed compressor models.
Installation
This upflow A-coil configuration installs in attics or basements with minimal ductwork modifications. The 34.5 inch height fits standard closets and utility spaces. Electrical requirements run standard at 115V single-phase 60Hz with 22-35 amp breaker sizing. Liquid and suction lines use standard 3/8 inch and 7/8 inch connections. PVC exhaust compatibility eliminates expensive chimney modifications. Most qualified HVAC contractors complete installation within 6-8 hours, including refrigerant charging and airflow verification.
Warranty & Reliability
Goodman provides lifetime coverage on the heat exchanger, the component most likely to fail on gas furnaces after 15-20 years. Parts coverage extends 10 years when registered online, protecting against compressor or blower motor failure during the critical first decade. Labor costs fall outside warranty scope in most jurisdictions. This warranty structure mirrors industry standard coverage, offering reasonable protection without premium-tier bells and whistles.
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 | Lifetime Heat Exchanger and 10 Years Parts with Online Registration |
| Decibel Level (dBA) | 73 |
| 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 | 35 amps |
| Min. Breaker Size | 22 amps |
| Tonnage | 5 Ton |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Install 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 | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7368836 |
| Airflow Direction | Upflow/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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