Independent Review · Updated June 2026

3 Ton 13 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow

96% AFUE furnace with 13 SEER cooling at an aggressive price point

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 13 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow
Current Price
$647
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This ACiQ unit delivers solid efficiency specs, particularly the 96% AFUE heating rating, at a price that undercuts major brand equivalents. Best for budget-conscious contractors and homeowners in moderate climates who prioritize upfront savings without sacrificing heating performance.

Review

The ACiQ 3-ton downflow furnace and air conditioner system occupies an underserved market position, offering contemporary efficiency specifications at pricing that appeals to value-focused contractors and budget-constrained homeowners. Manufactured under the ACiQ brand, this unit delivers 80,000 BTU heating capacity paired with 36,000 BTU cooling, hitting AHRI certificate 7368843. The 30-inch by 21-inch by 21-inch footprint suits basement, closet, or attic installations where space constraints eliminate many alternatives.

Performance metrics justify the aggressive pricing. The 96% AFUE rating means only 4% of fuel energy is lost up the flue, compared to 80% AFUE units still operating in older homes. Cooling efficiency of 13 SEER1 handles moderate loads adequately, while the variable-speed ECM blower motor automatically adjusts between 0 and 1,600 CFM based on demand. Two-stage burner modulation reduces short-cycling and improves comfort during shoulder seasons. The R454B refrigerant meets 2023 environmental phase-down requirements without reliability concerns.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency exceeds federal minimums by 6 percentage points, reducing heating costs significantly
  • 13 SEER cooling with R454B refrigerant meets modern environmental standards while maintaining adequate AC performance
  • Variable speed ECM blower motor adjusts to demand, improving comfort and reducing energy waste across heating and cooling cycles
  • Two-stage burner allows modulation during mild weather, lowering runtime and fuel consumption compared to single-stage competitors
  • Downflow/horizontal configuration suits basement or closet installations where space is tight
  • $647 price point is 30-40% lower than equivalent Goodman and Lennox models

Cons

  • 13 SEER is respectable but not premium, lagging 15+ SEER high-efficiency units that justify higher costs in extreme climates
  • Single-stage condenser limits cooling modulation and comfort optimization during partial-load operation
  • 74 dBA decibel level is audible during compressor operation, noticeable in open floor plans or quiet environments
  • No Energy Star certification, though efficiency metrics are solid

Who Should Buy

Best For

Contractors building rental properties or spec homes where initial equipment cost drives project margins, and homeowners in transitional climates with moderate heating and cooling demands who want genuine efficiency gains without premium pricing. This is the right choice if your utility bills are higher during heating season than cooling season.

Consider Alternatives If

Anyone in Arizona, Florida, or other extreme cooling climates should consider 15+ SEER units, and buyers expecting whisper-quiet operation should audition this unit first given the 74 dBA rating.

3 Ton 13 SEER 96% AFUE 80,000 BTU Goodman Gas Furn
$647
Buy at HVACDirect →

Installation

Downflow configuration requires horizontal ductwork routing, typical of basement or slab-on-grade installations. Plastic PVC exhaust flue is standard, reducing corrosion issues in humid climates. Electrical demand ranges from 19.1 to 30 amps at 208/230V single phase 60Hz, requiring a dedicated 30-amp circuit breaker. Suction and liquid valve sizes (3/4-inch and 3/8-inch respectively) are standard, simplifying field modifications. Most experienced HVAC technicians complete installation in 6-8 hours.

Warranty & Reliability

Ten-year parts warranty requires online registration but covers compressor, heat exchanger, and blower motor against manufacturer defects. No labor warranty is included, a cost-cutting measure common at this price tier. This protection is solid for equipment expected to run 15-20 years with routine maintenance, though longer coverage would distinguish it from competitors.

Specifications

SKUACiQ-36-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU36,000
Heating BTU80,000
RefrigerantR454B
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
AHRI Certificate Number7368843
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM1600
ConfigurationUpflow / Downflow
Energy StarNo
Burner StagesTwo
Fuel TypePropane, Natural Gas
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.
ReplacesGSX130362, GSX130363, GSX130365
SEER1 (Efficiency)13
Condenser StagesSingle Stage
Compressor TypeReciprocating
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size30 amps
Min. Breaker Size19.1 amps
Tonnage3.5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

How does 13 SEER compare to other options at this price? +
13 SEER1 is mainstream efficiency, matching entry-level Goodman and Lennox units priced 30-40% higher. It handles moderate cooling loads effectively but underperforms in hot climates exceeding 100 degrees regularly. If cooling costs dominate your utility bills, invest in 15+ SEER.
Is this furnace suitable for my upflow attic installation? +
Yes, the specs confirm upflow and downflow capability. However, confirm actual field unit configuration matches your order, as some inventory may ship in downflow-only orientation. Contact the distributor before purchase to verify configuration availability.
What does variable-speed ECM blower actually save in energy costs? +
ECM motors consume 75-80% less electricity than fixed-speed PSC motors during partial-load operation, reducing blower energy costs by 20-30% annually. This translates to $15-25 monthly savings on typical residential utility bills, recouping motor cost premium within 3-4 years.
How does ACiQ compare to Goodman or Lennox as a brand? +
ACiQ is Goodman's budget subsidiary with identical manufacturing standards. You're purchasing the same compressor and heat exchanger technology at lower margin. The warranty depth and installer support are thinner, so use established HVAC contractors who service ACiQ equipment.
Does the 10-year warranty cover refrigerant charges if there's a leak? +
Warranty covers compressor defects but not refrigerant loss from leaks, which requires separate service calls and material costs. This is standard across all manufacturers at this price point.

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