Independent Review · Updated June 2026

4 Ton 14 SEER 98% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

High-efficiency modulating furnace and air conditioner combo built for real performance.

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 14 SEER 98% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This is an excellent choice for homeowners in moderate climates who want measurable energy savings without premium pricing. The 98% AFUE furnace paired with a 14 SEER air conditioner delivers balanced comfort year-round, especially for homes with variable heating and cooling demands.

Review

This Goodman gas furnace and air conditioner system combines proven components into a practical mid-range offering. At 4 ton capacity with 80,000 BTU heating output and 48,000 BTU cooling, it's sized for typical homes in temperate regions. The 14 SEER cooling rating and 98% AFUE heating efficiency earn Energy Star certification, positioning it as a responsible choice for budget-aware buyers.

Performance data reveals solid engineering. The modulating burner continuously adjusts gas flow from 30% to 100% capacity rather than simple on-off cycling, reducing temperature swings by approximately 2 to 3 degrees Fahrenheit. The variable-speed ECM blower motor delivers up to 1600 CFM while consuming far less electricity than single-speed alternatives. R454B refrigerant meets current environmental standards. Single-stage cooling means less peak efficiency on mild days, but the scroll compressor design provides long-term reliability.

Pros & Cons

Pros

  • 98% AFUE furnace efficiency means minimal heat loss, reducing gas consumption in winter months
  • Modulating burner adjusts output continuously rather than cycling on and off, improving temperature consistency
  • Variable-speed ECM blower motor uses 70-90% less energy than fixed-speed alternatives
  • Energy Star certified system qualifies for utility rebates in many regions, offsetting initial cost
  • 14 SEER cooling efficiency rated for hot summers without excessive runtime
  • Scroll compressor is proven durable technology with fewer moving parts than alternatives

Cons

  • Single-stage air conditioning compressor cannot modulate capacity, missing peak efficiency on mild days
  • 74 dB noise level is moderately loud for a residential unit, noticeable from nearby windows
  • Requires plastic PVC exhaust flue, limiting installation flexibility in some older homes with metal chimneys
  • 10-year warranty requires online registration, adding an extra step for coverage activation

Who Should Buy

Best For

Homeowners in heating and cooling climates looking for efficient, reliable equipment without ultra-premium pricing. Contractors installing systems for cost-conscious clients who value modulating furnace technology and don't need variable-capacity cooling.

Consider Alternatives If

Anyone in mild climates needing primarily cooling should compare 16+ SEER two-stage units. Buyers requiring the quietest possible operation should look at alternatives under 70 dB.

4 Ton 14 SEER 98% AFUE 80,000 BTU Goodman Gas Furn
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Installation

Installation requires standard 115V single-phase 60Hz service with 26.4 to 45 amp breaker capacity. The upflow configuration suits basement and attic placement. Standard 3/8-inch and 7/8-inch line sets are industry-compatible. PVC exhaust venting compatibility streamlines new construction projects but may require adaptation in retrofit applications. Professional installation with proper refrigerant charging is essential.

Warranty & Reliability

The 10-year parts warranty provides solid protection for major component failures including the compressor and heat exchanger. Online registration is required to activate coverage, a straightforward process completed during or shortly after installation. This warranty term matches competitor offerings at this price point and covers typical failure scenarios within normal use.

Specifications

SKUACIQ-48-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU48,000
Heating BTU80,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size45 amps
Min. Breaker Size26.4 amps
Tonnage5 Ton
Height30"
Width21"
Depth21"
ResourcesCAPT Installation Manual CAPT 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.
AHRI Certificate Number7424266
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM1600
ConfigurationUpflow / Downflow
Burner StagesModulating
Fuel TypePropane, Natural Gas
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

How much quieter is the ECM blower than standard motors? +
Variable-speed ECM motors operate at lower speeds during mild weather, reducing noise by 5-8 dB compared to fixed-speed alternatives. The 74 dB rating reflects mid-capacity operation, quieter on mild days. Modern ECM technology extends motor life by reducing thermal stress.
Can this system use my existing ductwork and thermostat? +
Yes, standard 3/8-inch and 7/8-inch line sets connect to most existing split systems. Ductwork compatibility depends on your home's CFM requirements, maximum 1600 here. Any modern programmable or smart thermostat works with this unit for optimal modulating furnace performance.
What does 98% AFUE actually mean for my heating bills? +
AFUE measures how much fuel converts to usable heat. 98% means only 2% escapes as waste, compared to 80-85% on older furnaces. For typical homeowners, this yields 15-20% annual heating cost savings versus 90% AFUE units, depending on climate.
How does 14 SEER compare to newer high-efficiency models? +
14 SEER rates as solid mid-efficiency, competitive for moderate climates. Newer 16-18 SEER units cost 30-40% more but excel in hot regions with extended cooling seasons. For variable climates, 14 SEER delivers excellent value without extreme pricing.
Does online registration affect my warranty coverage timeline? +
Coverage begins at installation date, but registration must complete within specified timeframe, typically 90 days. Registering immediately during commissioning prevents coverage gaps. Manufacturers use registration to track recalls and provide product support.

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