Independent Review · Updated June 2026

Goodman 4 Ton 14 SEER 80% 100,000 BTU Furnace & AC System - R410A Upflow

Energy Star certified 4-ton system with solid 80% furnace efficiency and 14 SEER cooling.

7.8
IndustrialRank Score
Efficiency
7.9
Reliability
7.8
Value
7.6
Installation
8.2
Warranty
8.0
Goodman 4 Ton 14 SEER 80% 100,000 BTU Furnace & AC System - R410A Upflow
Current Price
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// Bottom Line
This is a practical mid-range system for homeowners and contractors seeking balanced performance without premium pricing. It works well in moderate climates where 80% AFUE and 14 SEER meet local code requirements and budget constraints.

Review

The Goodman 4-ton furnace and air conditioning combo occupies a familiar middle ground in residential HVAC: solid performer without cutting-edge features or premium pricing. This system pairs an 80% AFUE gas furnace with R410A cooling, hitting Energy Star certification and qualifying for many regional utility rebates. With two-stage heating and single-stage cooling, it appeals to contractors and homeowners who prioritize reliability and straightforward installation over advanced efficiency controls.

Performance metrics show 48,000 BTU heating capacity with a two-stage burner design and 48,000 BTU cooling output at 14 SEER rating. The multi-speed blower pushes up to 2,000 CFM for adequate air distribution across typical residential ductwork. However, the 80% AFUE rating sits below modern condensing furnaces, meaning you'll see higher monthly heating bills in cold climates. The scroll compressor operates at 74 dBA, keeping noise within acceptable residential limits during cooling cycles.

Pros & Cons

Pros

  • Two-stage burner heating with multi-speed blower provides flexible comfort and energy management across load conditions
  • Energy Star certified with 14 SEER cooling and 80% AFUE furnace efficiency qualifies for many utility rebates
  • Scroll compressor technology offers reliable, quiet operation at 74 dBA, competitive for residential equipment
  • Compact 21 by 21 by 30 inch footprint fits tight mechanical closets and upflow or horizontal configurations
  • 10-year parts warranty with online registration gives solid coverage for residential installations

Cons

  • 80% AFUE furnace efficiency lags behind 95%+ high-efficiency models, costing more in heating bills over time
  • Single-stage condenser limits modulation on mild days compared to variable-capacity competitors
  • Spec discrepancy shows 5-ton tonnage but product title claims 4-ton, creating confusion about actual cooling capacity
  • R410A refrigerant phaseout timeline means potential servicing cost increases in future years

Who Should Buy

Best For

Budget-conscious homeowners replacing 10-15 year old systems in moderate climates, and contractors stocking reliable mid-tier equipment for residential retrofit jobs. This unit balances upfront cost savings against moderate operating efficiency gains.

Consider Alternatives If

Anyone in cold climates needing 95%+ AFUE furnaces or seeking premium variable-capacity systems should evaluate higher-efficiency alternatives, as the long-term heating costs will offset initial savings.

Goodman 4 Ton 14 SEER 80% 100,000 BTU Furnace & AC
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Installation

Installation requires 208-230V single-phase power and 26.4 to 45 amp breaker sizing depending on final configuration. The compact 21 by 21 by 30 inch upflow cabinet fits standard closet spaces, while suction and liquid lines accept standard 7/8 inch and 3/8 inch sweat connections. Metal exhaust flue is mandatory. Most experienced HVAC contractors complete installation in 4-6 hours on straightforward replacements.

Warranty & Reliability

Goodman provides 10-year parts coverage with online product registration, standard for mid-market residential equipment. This protects against compressor failure, heat exchanger issues, and component defects. Labor and refrigerant charges are customer responsibility. Registration is essential, as unregistered units carry shorter limited coverage and may complicate future warranty claims.

Specifications

SKULS381183850
Brand/ManufacturerOnline Supply
Cooling BTU48,000
Heating BTU48,000
RefrigerantR410A or R22
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)48.000000
FeatureSpec
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.
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorMulti-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.
Product FeaturesRebate Available
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size45 amps
Min. Breaker Size26.4 amps
Tonnage5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line1 1/8"
StyleA-Coil
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

Does this system work with existing R22 ductwork and piping? +
The spec sheet lists compatibility with R410A or R22 refrigerant, but R22 systems require proper evacuation and dedicated isolation. Most contractors recommend R410A for new installations due to superior efficiency. If retrofitting an older R22 system, consult local regulations, as many states restrict R22 use in new equipment.
What electrical panel upgrades are needed? +
The unit requires 208-230V single-phase 60Hz service with a breaker rated between 26.4 and 45 amps depending on configuration. Older 100-amp or 125-amp residential panels rarely need replacement, but have a licensed electrician verify existing capacity before installation to avoid surprises.
How much will this cost to operate monthly? +
At 80% AFUE, heating costs run 15-25% higher than 95% condensing furnaces in cold climates. Summer cooling at 14 SEER is competitive for standard equipment. Exact operating costs depend on local utility rates, thermostat setpoints, and climate zone. Request a heat load calculation from your contractor for precise estimates.
How does this compare to higher SEER systems? +
The 14 SEER rating is middle-tier. Modern variable-capacity systems reach 16-22 SEER, reducing cooling costs 15-35% but costing 30-50% more upfront. For moderate climates or shorter ownership horizons, the 14 SEER payoff window extends beyond system life. Premium efficiency pays off in hot climates with long summers.
Is the 10-year warranty worth the online registration effort? +
Yes. Registration takes 10 minutes and secures full 10-year coverage. Without it, you get only 1-5 years of limited protection. Given average furnace and AC lifespans of 12-15 years, this warranty bridges critical ownership years and provides real financial protection against unexpected failures.

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