3 Ton 14 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal Review 2026

// Bottom Line

This ACiQ 3.5-ton system is ideal for homeowners in moderate climates seeking balanced heating and cooling efficiency without premium pricing. The 96% AFUE furnace and 14 SEER air conditioner deliver solid year-round performance, especially where both seasons see heavy use.

Review

The ACiQ 3.5-ton horizontal system pairs a Goodman gas furnace with an air conditioner in a single coordinated package, streamlining installation and ensuring compatibility. This configuration targets contractors and homeowners looking for straightforward replacement or new-build solutions without navigating separate component selection. The horizontal orientation fits tight spaces, making it practical for basements, attics, and utility closets where vertical clearance is limited.

Heating output reaches 80,000 BTU with 96% AFUE efficiency, meaning nearly all fuel converts to usable warmth rather than exhaust loss. Cooling delivers 36,000 BTU at 14 SEER1, placing it in the mid-efficiency tier and qualifying for many utility rebates. The two-stage burner modulates between high and low fire to match heating demand, while the variable-speed blower adapts to load conditions, reducing short-cycling and improving dehumidification during humid months.

Pros & Cons

Pros

96% AFUE furnace efficiency reduces winter heating bills by approximately 10-15% compared to 80 AFUE units
14 SEER cooling rating qualifies for ENERGY STAR, supporting tax credits and rebates in many states
Variable-speed ECM blower motor optimizes airflow across 1600 CFM capacity, improving comfort and reducing runtime noise to 73 dB
Two-stage burner provides modulating heat output for better temperature consistency and lower cycling losses
R454B refrigerant is environmentally friendlier with zero ozone depletion potential and lower global warming index

Cons

Single-stage compressor lacks the efficiency gains of two-stage or variable-capacity cooling for partial-load conditions
73 dB sound level is moderate, not the quietest option for noise-sensitive applications or bedroom installations
10-year warranty requires online registration, which some homeowners find inconvenient compared to automatic coverage

Who Should Buy

Best For

This system works well for homeowners in mixed climates where heating and cooling demands are roughly balanced throughout the year. It's particularly suited for new construction or full system replacements where contractors need reliable performance at mid-market pricing.

Consider Alternatives If

Skip this if you need ultra-quiet operation for bedroom proximity, live in a cold climate where heating dominates, or want variable-capacity cooling for part-load efficiency.

3 Ton 14 SEER 96% AFUE 80,000 BTU Goodman Gas Furn

Buy at HVACDirect →

Installation

The horizontal A-coil configuration requires PVC or plastic flue piping, which simplifies venting compared to metal ducts. Electrical demand is modest, calling for a 30-amp maximum breaker with minimum 18.7-amp capacity. Standard R454B refrigerant connections use 3/8-inch liquid and 3/4-inch suction lines with corresponding valve sizes. Most HVAC contractors can complete installation in one day given standard ductwork.

Warranty & Reliability

Coverage extends 10 years from purchase, provided you register the unit online within a specified window. This protects parts and compressor defects but typically excludes labor and routine maintenance. Online registration is straightforward but mandatory, so keep your documentation accessible. The 10-year term is competitive at this price point.

Specifications

SKU	ACiQ-36-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	36,000
Heating BTU	80,000
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	21"
Width	21.125"
Depth	26"
Resources	CHPF Installation Manual CHPF 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	7368835
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Furnace Efficiency / AFUE	96%
Blower Motor	Variable Speed - ECM
Maximum CFM	1600
Configuration	Horizontal
Flue Location	Right
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	30 feet

Frequently Asked Questions

Is 14 SEER enough for energy savings, or should I spend more for higher ratings? +

14 SEER delivers solid returns in moderate climates. Units rated 16-18 SEER cost 25-40% more but save only 12-18% extra on cooling. This system hits the efficiency-to-cost sweet spot for most homeowners, especially paired with the 96% AFUE furnace.

Can this horizontal unit fit in my crawlspace, and what clearance do I need? +

The 21-inch height, 21.125-inch width, and 26-inch depth fit most crawlspaces and basements. Ensure 12-18 inches of clearance around the unit for airflow and maintenance access. Check your ducting termination point for the right-side flue exit before finalizing placement.

How much quieter is the variable-speed blower compared to standard two-speed motors? +

At 73 dB, this unit is quieter than single-speed designs running constant speed, but not silent. The ECM blower ramps down during low-load periods, reducing noise and energy draw. For context, 73 dB is normal conversation level, acceptable for most utility closets but noticeable if installed near living areas.

Is R454B refrigerant as efficient as R410A, or does it affect system performance? +

R454B performs comparably to R410A in this application with no efficiency penalty. It has a lower global warming potential and zero ozone depletion, making it the future-proof choice. All charging and service procedures remain standard, familiar to most HVAC technicians.

Do I lose the warranty if I don't register online, and what happens after 10 years? +

Yes, online registration within the manufacturer window is required to activate the 10-year coverage. After 10 years, you lose factory warranty protection, making regular maintenance and service contracts increasingly valuable for peace of mind.

Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.