Review
The ACiQ 3.5 ton downflow furnace and AC system occupies practical middle ground in the residential HVAC market. Built on Goodman's proven platform, this unit targets contractors and homeowners seeking dependable performance without luxury pricing. The compact footprint, measuring 30 by 21 by 21 inches and weighing 120 pounds, fits standard basements and mechanical closets easily. Energy Star certification signals genuine efficiency credentials rather than marketing claims.
Heating performance delivers 42,000 BTU output with 96% AFUE, meaning 96 cents of every heating dollar converts to usable warmth. Cooling reaches 41,000 BTU at 14 SEER, meeting most regional efficiency requirements and qualifying for state incentives. The scroll compressor handles single-stage operation reliably, though lacks the variable modulation found in premium systems. Multi-speed blower motor at up to 1,600 CFM optimizes airflow across different seasons without unnecessary power draw.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs significantly compared to 80-90% models
- 14 SEER cooling rating qualifies for Energy Star certification and utility rebates
- 3.5 ton capacity with 41,000 BTU cooling handles mid-sized homes effectively
- Multi-speed blower motor allows customized airflow and quieter operation at part load
- 10-year comprehensive warranty with online registration provides solid protection
- Downflow configuration works in basements, attics, and crawl spaces with flexible placement
Cons
- Single-stage burner and condenser limit efficiency gains in variable load conditions
- 74 dB noise level is audible during operation, slightly above premium units
- Heating output of 42,000 BTU is modest for cold climates above ASHRAE Zone 5
- R410A refrigerant requires certified technicians for servicing and future maintenance
Who Should Buy
Best For
Homeowners in moderate climates upgrading from older 80% AFUE systems or contractors installing in rental properties and multi-family units. This unit balances upfront cost against operating expenses for 15-20 year ownership periods.
Consider Alternatives If
Anyone in harsh winter climates needing 60,000+ BTU heating should look at larger capacity units, and those seeking cutting-edge efficiency should consider variable-capacity models with higher SEER2 ratings.
Installation
Downflow configuration requires standard ductwork modifications and flue placement on the right side using PVC piping. The unit accepts 208 or 230 volt single-phase power with 24-40 amp breaker sizing, fitting typical residential electrical panels without upgrades. Refrigerant lines require 3/8-inch liquid and 1 1/8-inch suction connections with 1/2-inch insulation thickness, standard for this tonnage class.
Warranty & Reliability
Goodman provides 10-year comprehensive coverage when you register online within 30 days of installation. This protects compressor, heat exchanger, and refrigerant tubing against defects, though wear items and labor are excluded. Registration typically takes 10 minutes through Goodman's website and unlocks full warranty benefits.
Specifications
| SKU | ACIQ-4X-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 41,000 |
| Heating BTU | 42,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| Height | 30" |
| Width | 21" |
| Depth | 21" |
| Resources | CAPF Installation Manual CAPF 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. |
| Product Features | Rebate Available |
| 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 | 40 amps |
| Min. Breaker Size | 24 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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