Independent Review · Updated June 2026

Goodman 2 Ton 14 SEER 80% 40,000 BTU Furnace & AC System - R410A Downflow

Energy Star certified 2-ton system with 80% AFUE and 16 SEER1 cooling efficiency

7.8
IndustrialRank Score
Efficiency
8.2
Reliability
7.5
Value
8.1
Installation
8.3
Warranty
8.0
Goodman 2 Ton 14 SEER 80% 40,000 BTU Furnace & AC System - R410A Downflow
Current Price
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// Bottom Line
This Goodman system delivers solid mid-range efficiency for homeowners seeking a budget-friendly upgrade without premium pricing. Best suited for contractors installing in existing ducting with standard electrical service and customers prioritizing value over top-tier efficiency.

Review

The Goodman 2-ton downflow system occupies a practical middle ground in the residential HVAC market. This dual-function furnace and air conditioning unit combines proven Goodman engineering with accessible pricing for contractors and budget-conscious homeowners. The downflow configuration suits basements and utility closets, while the compact 22x14x21 inch dimensions adapt to tight installations. Energy Star certification signals solid efficiency targeting, though the 80% AFUE heating and 16 SEER1 cooling place it solidly in the mainstream rather than premium tier.

Performance metrics reveal a straightforward, capable system. The furnace generates 24,000 BTU heating output through two-stage burners, allowing reduced firing during mild weather rather than constant full-power cycling. Cooling capacity matches at 24,000 BTU with a scroll compressor handling R410A refrigerant. The multi-speed blower reaches 1200 CFM maximum, supporting adequate air distribution in homes under 2000 square feet. At 75 dBA, the system produces noticeable but not excessive noise during operation. Electrical requirements are modest at 15.1 to 25 amps on 208/230V single-phase power.

Pros & Cons

Pros

  • Energy Star certified with 16 SEER1 rating, delivering measurable cooling efficiency gains over older systems
  • 80% AFUE furnace with two-stage burners and multi-speed blower for responsive heating control
  • Compact 22x14x21 inch footprint fits tight spaces, with 1200 CFM maximum airflow handling moderate load homes
  • Scroll compressor technology provides reliable cooling with R410A refrigerant compatibility
  • 10-year warranty with online registration covers both heating and cooling components

Cons

  • 80% AFUE is mid-tier efficiency, not high-efficiency like 95%+ AFUE models that recoup cost through utility savings
  • Single-stage condenser limits part-load efficiency, cycling on and off rather than modulating output
  • 75 dBA noise level runs audible during operation, noticeable in quiet spaces like bedrooms at night
  • No variable-speed compressor means less responsive comfort adjustment compared to inverter-driven competitors

Who Should Buy

Best For

Homeowners with modest square footage (under 2000 sq ft) or budget constraints who want dependable mid-range efficiency without breaking the bank. Contractors installing replacements in existing homes with standard ducting and 208/230V single-phase electrical service.

Consider Alternatives If

High-efficiency seekers, those in extreme climates requiring modulating output, or homeowners expecting premium component reliability should explore Lennox or Carrier alternatives in this tonnage.

Goodman 2 Ton 14 SEER 80% 40,000 BTU Furnace & AC
$0
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Installation

This downflow unit requires vertical mounting with adequate clearance for the 50-foot suction line and 3/8 inch liquid line. Refrigerant piping demands sweat connections using 3/8 inch and 3/4 inch copper tubing with 3/4 inch insulation thickness. Metal exhaust flue venting is mandatory for the gas furnace. Standard ducting compatibility makes integration straightforward in existing homes, though proper ductwork sizing to 1200 CFM maximum airflow is essential for efficiency.

Warranty & Reliability

Goodman provides 10-year parts coverage when registered online, covering compressor, heat exchanger, and condenser coil defects. This is a solid mid-range warranty protecting major components without extending to labor or refrigerant. Registration is required to activate coverage, so homeowners must complete this step after installation. The warranty does not cover routine maintenance or damage from improper installation.

Specifications

SKULS38343850
Brand/ManufacturerOnline Supply
Cooling BTU24,000
Heating BTU24,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)75
Weight (in lbs)22.000000
FeatureSpec
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorMulti-Speed
Maximum CFM1200
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypeGas
Height22"
Width14"
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.
Product FeaturesRebate Available
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size25 amps
Min. Breaker Size15.1 amps
Tonnage3 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line3/4"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

What size home does the 2-ton, 24,000 BTU cooling capacity handle? +
A 2-ton system typically cools 1200 to 1800 square feet depending on insulation, climate, and solar exposure. This unit's 1200 CFM maximum airflow supports homes on the smaller to moderate end. Have a contractor perform a Manual J load calculation for your specific house to confirm adequate sizing.
Can this downflow unit be converted to upflow installation? +
Yes, this system supports both configurations. However, ductwork routing, return air placement, and furnace orientation must be completely restructured. Consult the CAPF Installation Manual included with specs before deciding, as improper conversion reduces efficiency and warranty coverage.
How does 80% AFUE compare to modern high-efficiency furnaces? +
80% AFUE means 20% of fuel energy vents as waste. Modern 95% AFUE systems recapture nearly all heat, reducing gas consumption 15 to 20 percent. The payback period depends on local utility rates and climate, typically 5 to 10 years in cold regions.
Is 16 SEER1 competitive with current air conditioner standards? +
16 SEER1 is above the current 14 SEER2 federal minimum and qualifies for Energy Star. However, newer variable-compressor units reach 18 to 22 SEER2 with lower noise and better part-load performance. This system delivers baseline modern efficiency, not premium-tier cooling.
What does the 10-year warranty actually cover? +
Parts coverage on compressor, coils, and heat exchanger defects when registered within 30 days. Labor, refrigerant, and installation repairs are excluded. This protection is solid but doesn't cover maintenance or misapplication damage.

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