3 Ton 14 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow Review 2026

// Bottom Line

This ACiQ system is ideal for homeowners replacing aging furnace-AC combos who want measurable efficiency gains without premium pricing. The 96% AFUE heating and 14 SEER cooling deliver real utility bill reduction, especially in mixed climates where both seasons matter.

Review

The ACiQ 3 Ton downflow system is a middle-market combination furnace and air conditioner designed for contractors who prioritize efficiency without the premium pricing of high-end boutique brands. At $3,551, it targets the practical homeowner tired of rising utility bills. The downflow configuration makes it ideal for basement installations or tight crawlspace retrofits where traditional upflow units won't fit. Energy Star certification confirms it meets EPA minimum standards for the 2024 market.

Performance specs tell the real story here. The furnace delivers 96% AFUE across 120,000 BTU capacity with a two-stage burner, meaning it modulates heat output and doesn't waste fuel overshooting thermostat setpoints. The cooling side produces 36,000 BTU at 14 SEER, efficient enough to qualify for utility rebates in most regions. The variable-speed ECM blower motor pulls up to 2,000 CFM and adjusts itself based on load, contrasting sharply with older fixed-speed designs that blast full power then shut down abruptly.

Pros & Cons

Pros

96% AFUE furnace efficiency is genuinely high, reducing heating costs by 15-25% versus older units
14 SEER cooling with R454B refrigerant meets current standards without retrofit complications
Variable-speed ECM blower motor optimizes airflow and reduces runtime noise compared to single-speed alternatives
Two-stage burner provides modulating heat output, improving comfort and efficiency during mild weather
10-year warranty with online registration gives solid coverage at this $3,551 price point

Cons

73 dB noise level is moderately loud for outdoor condenser operation in quiet suburban settings
Single-stage compressor means cooling doesn't modulate, wasting energy on partial-load conditions
Requires 18.7-30 amp breaker sizing, necessitating electrical panel review before installation

Who Should Buy

Best For

Contractors and homeowners in mixed-climate zones looking to replace 10-15 year old furnace-AC systems. This system makes financial sense where heating and cooling seasons are both significant, yielding payback within 6-8 years through energy savings.

Consider Alternatives If

Buyers in heating-only climates or those seeking variable-capacity cooling to minimize short-cycle losses should explore dual-stage compressor models.

3 Ton 14 SEER 96% AFUE 120,000 BTU Goodman Gas Fur

$3551

Buy at HVACDirect →

Installation

Installation complexity is moderate. The downflow A-coil design requires PVC exhaust flue routing and careful ductwork alignment to prevent condensate backup. Electrical demands a minimum 18.7 amp breaker and maximum 30 amp capacity, so older panels may need circuit additions. Refrigerant lines use standard 3/8 inch liquid and 3/4 inch suction sizing with 3/4 inch insulation wrap included, reducing on-site labor for proper installation.

Warranty & Reliability

ACiQ provides 10 years of comprehensive parts coverage when you register online within 30 days of purchase. Registration is quick and required, not optional. This warranty aligns with mid-tier industry standards, offering solid protection but not matching extended plans from premium brands. Real-world failure rates suggest most issues surface in years 2-5, making this timeframe practical and valuable.

Specifications

SKU	ACiQ-36-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	36,000
Heating BTU	120,000
Refrigerant	R454B
Electrical	115 V. 1 Phase 60 Hz
Warranty	10 Years 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 Line	3/8"
Suction Line	3/4"
Liquid Valve Size	3/8"
Suction Valve Size	3/4"
Max Breaker Size	30 Amps
Min. Breaker Size	18.7 Amps
Tonnage	3.5 Ton
Height	30"
Width	24.5"
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.
AHRI Certificate Number	7368845
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
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	30 feet

Frequently Asked Questions

Does this system qualify for federal tax credits or rebates? +

The 96% AFUE furnace and 14 SEER cooling unit both exceed federal minimums, making you eligible for state and utility rebates in most regions. Federal tax credits for HVAC expired at year-end 2023, but many utilities still offer $200-500 rebates. Check your local provider for current incentives.

Can this downflow unit replace my old upflow furnace? +

Yes, if you have basement or crawlspace space with adequate headroom (30 inches height) and can reconfigure ductwork for downflow discharge. Switching orientations requires relocating the evaporator coil and rerouting supply plenum, adding 4-6 labor hours. Not all homes are candidates without ductwork redesign.

How does 14 SEER compare to newer 16 SEER units? +

14 SEER is solid mid-range cooling. Upgrading to 16 SEER typically costs $800-1,200 more but reduces cooling energy use by only 12-15%. For moderate climates, 14 SEER payback is faster. High-humidity regions benefit more from the jump to 16 SEER.

What makes two-stage burners better than single-stage? +

Two-stage burners run at 60% capacity during mild weather, then ramp to full 100% only when outdoor temps drop sharply. This reduces on-off cycling, improves comfort consistency, and cuts heating cycles by 20-30% during shoulder seasons. Single-stage units always run full blast or not at all.

Is the 10-year warranty transferable if I sell my home? +

ACiQ typically honors 10 years from installation date with registration regardless of ownership, but confirm coverage details with ACiQ directly. Most manufacturers allow one free transfer to new owners. Keep your registration proof and documentation.

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