Independent Review · Updated June 2026

3 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow

Solid mid-tier efficiency with proven Goodman reliability and reasonable upfront cost

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow
Current Price
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// Bottom Line
This ACiQ unit is built for contractors and homeowners who want dependable performance without premium pricing. It's ideal for homeowners in moderate climates seeking better-than-average efficiency on a reasonable budget, or as a replacement for older 10-13 SEER systems.

Review

The ACiQ 36,000 BTU system positions itself as a practical workhorse in Goodman's residential lineup. With 14 SEER cooling and 80% AFUE heating, this 3-ton upflow configuration delivers market-standard efficiency paired with straightforward installation requirements. The unit maintains Energy Star certification and carries Goodman's reputation for field reliability, making it a trusted choice among contractors balancing performance with affordability in moderate-climate regions.

Performance metrics reflect honest mid-tier positioning. The two-stage burner and high-efficiency multi-speed blower improve comfort over single-stage alternatives, generating 80,000 BTU heating output and 36,000 BTU cooling capacity. Maximum airflow reaches 2000 CFM with 74 dBA operation, which is acceptable though not quiet. The scroll compressor with R410A refrigerant operates on 208/230V single-phase, and the 22.4-30 amp breaker requirement integrates with standard residential electrical infrastructure.

Pros & Cons

Pros

  • 14 SEER cooling efficiency with Energy Star certification delivers solid utility savings compared to baseline units
  • Two-stage gas burner provides better comfort and lower operating costs than single-stage furnaces
  • High-efficiency multi-speed blower motor reduces electricity consumption and improves temperature consistency
  • Compact 30-inch height fits tight utility closets and attic spaces
  • 10-year parts warranty with online registration covers compressor and major components

Cons

  • 80% AFUE is now industry minimum, not competitive against 95%+ modulating furnaces popular in cold climates
  • Single-stage condenser limits cooling efficiency potential, particularly during extreme heat events
  • Metal exhaust flue requirement adds installation complexity and cost for some retrofit applications
  • R410A refrigerant phaseout timeline creates potential long-term servicing concerns

Who Should Buy

Best For

Homeowners in ASHRAE zones 4-6 replacing 10-13 year old systems, or contractors installing rental properties where upfront cost matters more than premium efficiency. Ideal for mild to moderate climates where 80% AFUE furnace efficiency meets code and comfort needs.

Consider Alternatives If

Buyers in cold climates (zones 2-3) should invest in 95%+ AFUE modulating furnaces, and those prioritizing cutting-edge cooling should look at dual-stage condensers for better SEER performance.

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

The 30-inch height and compact 21-inch width make this furnace installation-friendly for most utility closets and attic spaces. The metal exhaust flue requirement and A-coil configuration demand proper ductwork planning. Standard sweat valve connections with 3/8-inch liquid and 7/8-inch suction lines, plus 50-foot line set capacity, support typical single-story and two-story homes without complex modifications.

Warranty & Reliability

The 10-year parts warranty requires online registration and covers the compressor, heat exchanger, and major components. This is competitive for the price tier but trails premium brands offering 12-15 year protection. Real-world value depends on contractor support availability, as warranty claims require authorized service centers. Registration is straightforward and essential, not optional.

Specifications

SKUACIQ-36-HPC-UPG
Brand/ManufacturerACiQ
Cooling BTU36,000
Heating BTU36,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorHigh Efficiency Multi-Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypeGas
Height30"
Width21"
Depth21"
ResourcesCAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 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.
ReplacesGSZ140371
Product FeaturesRebate Available
Energy StarYes
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size30 amps
Min. Breaker Size22.4 amps
Tonnage5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

How does 14 SEER compare to newer systems on the market? +
14 SEER is respectable but now mainstream, not premium. Units with variable-speed compressors achieve 16-20 SEER. This ACiQ excels for budget-conscious replacements where utility bills matter but premium efficiency premiums don't justify payback timelines under 8-10 years.
Can this unit retrofit into downflow applications? +
The specs list downflow capability, though this review tests upflow performance. Confirm your ductwork configuration with your installer before purchase. Downflow installations require proper return air placement and may reduce efficiency slightly due to condensate handling differences.
Is 80% AFUE sufficient for northern climates? +
It meets code minimums but underperforms in zones 2-3. Heating bills run 10-15% higher versus 95% AFUE units. Cold-climate buyers should prioritize modulating furnaces with higher AFUE ratings, accepting higher upfront costs for long-term energy savings.
What makes the two-stage burner worth the cost difference? +
Two-stage burners reduce short-cycling and run at lower capacity 70-80% of the time, cutting gas consumption and improving comfort. Single-stage units blast full power then shut off, creating temperature swings and wasting fuel. This design delivers noticeable winter comfort gains.
Does the 10-year warranty cover labor and refrigerant? +
Warranty covers parts, not labor or refrigerant. Service calls and recharge work cost $150-300 separately. This is standard industry practice; verify your contractor offers reasonable service rates before purchase.

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