Independent Review · Updated June 2026

3 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal

High-efficiency horizontal furnace-AC combo with 96% AFUE and two-stage cooling

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal
Current Price
$89
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Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system works best for homeowners upgrading older equipment or installing in attics where space is tight and horizontal mounting is necessary. The 96% AFUE rating and two-stage cooling deliver strong efficiency gains that typically offset the $89 price within 3-5 years through lower energy bills.

Review

The Goodman CHPF4860D6 is a horizontal split-system combining gas furnace and air conditioning capability into a single compact unit. Measuring 24.5 inches tall by 26 inches wide, it's designed for tight spaces like attics and cramped mechanical rooms. At $89, this SKU represents mid-range pricing for combo systems, positioned above stripped-down models but below premium high-efficiency units from brands like Lennox or Carrier.

Performance data shows legitimate strengths on the heating side. The furnace delivers 120,000 BTU output at 96% AFUE efficiency, meaning nearly all fuel converts to usable heat. The air conditioning side produces 36,000 BTU (3 tons) cooling capacity at 16 SEER1. Two-stage compressor and condenser operation keeps the 70.4 dB sound level reasonable. Variable-speed ECM blower with 2000 CFM maximum airflow adjusts to match home demand, reducing energy waste during mild weather.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency reduces heating costs significantly compared to 80-90% units
  • Two-stage compressor and condenser enable quieter, more efficient operation at 70.4 dB
  • Variable-speed ECM blower optimizes airflow and reduces runtime noise during low-demand periods
  • Energy Star certified with 16 SEER1 cooling efficiency rating
  • Compact horizontal design fits tight attic and basement spaces where upflow units won't work
  • 10-year warranty with online registration provides solid long-term protection

Cons

  • SEER1 rating of 16 trails newer models hitting 18-20 SEER2, limiting cooling efficiency advantage
  • Tonnage mismatch: 5-ton capacity paired with 3-ton system specification creates compatibility confusion
  • Requires 208/230V single-phase power, limiting placement options in standard residential 120V circuits

Who Should Buy

Best For

Homeowners in colder climates who prioritize heating efficiency over cooling should consider this unit, since the 96% AFUE furnace is the real strength. It's also ideal for attic installations where horizontal orientation is mandatory and space constraints eliminate other options.

Consider Alternatives If

Buyers in hot climates where cooling dominates utility costs should look at higher SEER2 models. Homeowners wanting a single-stage system for simplicity or those with limited electrical capacity below 21.8 amps should explore alternatives.

3 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Fur
$89
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Installation

Horizontal orientation requires proper ductwork planning to maintain downward slope for condensation drainage. The unit accepts both R410A and R22 refrigerant, offering flexibility with existing systems. Plastic or PVC exhaust flue is acceptable, simplifying venting compared to metal duct requirements. Professional installation is recommended to handle refrigerant charging and electrical connections at 208/230V specifications.

Warranty & Reliability

Goodman's 10-year warranty applies with online registration, covering defects in parts and labor. This is solid protection for a mid-tier unit, though registration requirement means buyers must complete paperwork to activate coverage. Evaporator coil carries separate warranty terms listed in manufacturer documentation.

Specifications

SKUCHPF4860D6
Brand/ManufacturerGoodman
Cooling BTU36,000
Heating BTU120,000
RefrigerantR410A or R22
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)70.4
Weight (in lbs)77.000000
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.
AHRI Certificate Number7368842
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationHorizontal
Energy StarYes
Burner StagesTwo
Fuel TypePropane, Natural Gas
Height24.5"
Width26"
Depth21.125"
ResourcesCHPF Installation Manual CHPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
SEER1 (Efficiency)16
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size35 amps
Min. Breaker Size21.8 amps
Tonnage5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil

Frequently Asked Questions

Why does the spec list 5 tonnage when this is described as a 3-ton system? +
This appears to be a data entry error on the SKU sheet. The 36,000 BTU cooling capacity (divided by 12,000 BTU per ton) equals 3 tons, not 5 tons. Verify the exact tonnage with the seller before purchase to avoid ductwork sizing mistakes during installation.
Can I install this in a standard basement with upflow ducting? +
The configuration is horizontal only. If you need upflow, choose a vertical unit instead. Forcing horizontal ducting into an upflow application compromises drainage and causes condensation backup that damages the heat exchanger.
How does 96% AFUE compare to my current 15-year-old furnace? +
Older furnaces typically run 78-85% AFUE. This 96% unit converts 18-21% more fuel to heat, translating to roughly 15-20% lower heating bills depending on usage patterns and climate. Payback typically occurs in 4-6 years through energy savings.
Is 16 SEER1 good enough, or should I wait for SEER2 models? +
SEER1 16 is decent but not cutting-edge. Newer units hitting SEER2 18-20 offer 10-15% better cooling efficiency. If you're in a hot climate with high AC use, premium units justify the higher upfront cost over 10+ years.
What happens if I don't register the warranty online? +
Coverage may not activate without registration. Contact Goodman immediately after installation to register your unit and receive the full 10-year protection. Keep your receipt and AHRI certificate number handy.

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