2 Ton 14 SEER 97% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow Review 2026

// Bottom Line

This Goodman system is best for budget-conscious homeowners upgrading from older equipment who want genuine efficiency gains without premium pricing. The 97% AFUE heating and 14 SEER cooling will deliver measurable utility savings, particularly in cold climates where heating dominates energy costs.

Review

The Goodman 2-ton downflow system represents the practical middle ground between budget equipment and premium alternatives. At $647 with modulating heat and variable-speed cooling, this unit targets contractors and homeowners seeking genuine efficiency improvements without six-figure installations. The system carries Goodman's reputation for straightforward, dependable performance rather than cutting-edge features.

Heating performance centers on the 97% AFUE modulating furnace delivering 80,000 BTU with continuous output adjustment, not simple on/off cycling. Cooling brings 24,000 BTU capacity at 14 SEER1 efficiency using R454B refrigerant. The variable-speed ECM blower runs up to 1600 CFM, adapting to actual load rather than maxing out constantly. Energy Star certification backs these claims with independent verification.

Pros & Cons

Pros

97% AFUE furnace efficiency is genuinely excellent, meaning only 3% of fuel goes unused
Modulating burner adjusts output continuously rather than cycling on/off, improving comfort and reducing energy waste
Variable-speed ECM blower motor optimizes airflow from 0 to 1600 CFM based on demand
14 SEER rating and Energy Star certification for cooling efficiency
10-year warranty with online registration provides reasonable long-term protection
R454B refrigerant is newer, more environmentally responsible choice

Cons

Single-stage compressor limits part-load efficiency compared to two-stage units
71 decibel operating noise is audible, though typical for this equipment class
Downflow configuration limits installation flexibility in basements or tight spaces
Requires 115V/60Hz electrical service with 14.3 to 25 amp breaker sizing

Who Should Buy

Best For

Homeowners replacing 15+ year old systems in moderate to cold climates will see substantial heating cost reductions from the 97% AFUE rating. This system makes sense for price-sensitive buyers who prioritize efficiency gains over brand prestige.

Consider Alternatives If

Avoid this model if you need two-stage cooling for quieter operation, require horizontal/upflow flexibility, or want premium brand reliability associated with higher-tier manufacturers.

2 Ton 14 SEER 97% AFUE 80,000 BTU Goodman Gas Furn

$647

Buy at HVACDirect →

Installation

Downflow configuration works for attic or utility closet mounting above living spaces. Requires plastic/PVC exhaust venting on the right flue location. Suction and liquid lines need 3/4 inch and 3/8 inch connections respectively, with 3/4 inch insulation on suction lines. Standard 115V/60Hz 1-phase power handles the 14.3 to 25 amp requirement. Most qualified technicians can complete installation in one day.

Warranty & Reliability

Ten-year parts and compressor warranty applies with free online registration, covering defects but not wear items or installation issues. This timeframe aligns with typical equipment life expectations. Registration is straightforward but mandatory to activate coverage.

Specifications

SKU	ACIQ-24-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	24,000
Heating BTU	80,000
Refrigerant	R454B
Electrical	115 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	71
Weight (in lbs)	120.000000
Feature	Spec
Energy Star	Yes
SEER1 (Efficiency)	14
Condenser Stages	Single Stage
Compressor Type	Rotary
Liquid Valve Size	3/8"
Suction Valve Size	3/4"
Max Breaker Size	25 amps
Min. Breaker Size	14.3 amps
Tonnage	3.5 Ton
Height	34.5"
Width	21"
Depth	28.75"
Resources	Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman Warranty You will need AdobeÂ® AcrobatÂ® 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	Downflow/Horizontal
Liquid Line	3/8"
Suction Line	3/4"
Style	A-Coil
AHRI Certificate Number	7424271
Airflow Direction	Downflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Product Features	Rebate Available
Furnace Efficiency / AFUE	97%
Blower Motor	Variable Speed - ECM
Maximum CFM	1600
Flue Location	Right
Burner Stages	Modulating
Fuel Type	Propane, Natural Gas
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

How does 97% AFUE compare to older furnaces? +

Standard equipment from 2000-2010 operates at 78-82% AFUE, meaning roughly 20% of fuel burned becomes wasted heat. This 97% unit captures nearly all fuel energy. A typical home heating with natural gas could save 15-20% annually on heating costs, translating to $300-600 depending on climate and usage patterns.

Will this fit in my basement with limited height? +

The downflow configuration measures 34.5 inches tall, 21 inches wide, and 28.75 inches deep. It requires vertical clearance above and below for airflow. Basement installations work if you have seven feet of vertical space. Tight attics or crawlspaces may present challenges depending on framing orientation.

What makes modulating burners better than single-stage? +

Modulating burners vary output from 20-100% rather than cycling fully on/off. This maintains more consistent temperatures, reduces short-cycling wear on the compressor and furnace, and improves part-load efficiency during mild weather when full capacity is unnecessary. Comfort improves noticeably for most homeowners.

Is single-stage cooling a significant limitation? +

Single-stage compressors run at full capacity whenever cooling is needed, versus two-stage models that reduce speed during mild conditions. This 14 SEER rating still delivers solid efficiency, but you'll see slightly higher bills and more noise during shoulder seasons compared to two-stage equipment at similar SEER ratings.

Does the 10-year warranty cover everything? +

Warranty covers parts and compressor defects with online registration. Labor, refrigerant, damage from improper installation or maintenance, and normal wear are excluded. Read the warranty document thoroughly, available in the resources section.

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