Independent Review · Updated June 2026

4 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow

96% AFUE gas furnace paired with 14 SEER heat pump delivers year-round efficiency

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow
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// Bottom Line
This ACiQ 4-ton combo system is ideal for homeowners in mixed climates who want genuine efficiency without premium pricing. The 96% AFUE gas furnace handles brutal winters while the 14 SEER heat pump minimizes cooling costs during moderate seasons.

Review

The ACiQ ACIQ-48-EHPD-UPG is a practical dual-fuel system combining a 100,000 BTU gas furnace with a 46,000 BTU heat pump condenser. This 4-ton, upflow configuration fits most homes requiring seasonal heating and cooling. The system strikes a balance between performance and affordability, appealing to contractors who value straightforward installation and homeowners seeking energy savings without flagship pricing.

Efficiency numbers tell the real story here. The furnace delivers 96% AFUE, meaning 96 cents of every heating dollar converts to usable warmth, while the heat pump achieves 14 SEER cooling efficiency. The scroll compressor operates at single stage, delivering full 46,000 BTU cooling capacity at maximum load. Electrical requirements are modest at 115V single-phase, needing breaker protection between 26.4 and 40 amps, simplifying panel integration on most residential services.

Pros & Cons

Pros

  • Excellent 96% AFUE rating means you keep more heating dollars in your pocket, recovering costs faster on natural gas
  • 14 SEER energy rating qualifies for ENERGY STAR certification and available rebates that reduce upfront cost
  • Dual-fuel design gives you flexibility, using efficient heat pump mode in spring/fall and gas furnace in winter
  • Multi-speed blower motor allows precise airflow control for better comfort and quieter operation than single-speed units
  • R454B refrigerant is non-ozone-depleting and future-proof against regulatory changes
  • Single-stage compressor keeps mechanical complexity low, reducing service calls and repair costs

Cons

  • Single-stage cooling means the system runs at full capacity even on mild 65-degree days, less efficient than modulating units
  • 74 dB noise level is moderately loud for outdoor placement near bedrooms, comparable to an air conditioner at full load
  • Sweat valve connections require soldering skills during installation, adding labor costs if you don't use an experienced tech
  • Weight of 120 lbs requires careful handling and proper mounting support during installation

Who Should Buy

Best For

Contractors and homeowners in mixed-climate zones who need reliable dual-fuel heating and cooling without paying for ultra-high-efficiency features. Budget-conscious buyers appreciate the rebate eligibility and lower operating costs of the 96% AFUE furnace.

Consider Alternatives If

Those seeking variable-stage cooling for maximum summer efficiency should look at modulating compressor alternatives, as this single-stage unit cycles on and off rather than adjusting output.

4 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Fur
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Installation

Installation requires upflow orientation in attic or closet applications. The A-coil design pairs with furnace plenums. Liquid lines use 3/8-inch connections with 1/2-inch insulation, while suction lines run 1 1/8 inches with standard 1/2-inch insulation. Sweat valve connections demand soldering expertise. Right-side flue location accommodates plastic PVC venting. Standard ductwork sized for 2000 CFM maximum airflow suits typical 4-ton installations.

Warranty & Reliability

Coverage includes 10 years of parts and labor protection when you register online within 30 days of installation. This industry-standard timeline reflects the system's expected service life. Online registration is quick and unlocks full protection, though skipping it voids coverage. Ten years provides meaningful security for HVAC equipment with typical 15 to 20 year lifespans.

Specifications

SKUACIQ-48-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU46,000
Heating BTU100,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
ReplacesGSZ140491
Product FeaturesRebate Available
Energy StarYes
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size40 amps
Min. Breaker Size26.4 amps
Tonnage5 Ton
Valve TypeSweat
Height34.5"
Width21"
Depth28.75"
ResourcesGoodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman 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.
ConfigurationUpflow/Horizontal
Liquid Line3/8"
Suction Line1 1/8"
StyleA-Coil
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti Speed
Maximum CFM2000
Flue LocationRight
Burner StagesSingle
Fuel TypeGas
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

Does this system qualify for tax credits or rebates? +
Yes, the ENERGY STAR certification and 14 SEER efficiency rating make it eligible for federal rebates and many state programs. ACiQ explicitly lists rebate availability. Actual amounts vary by location and utility company, so contact your local provider for specific incentive details.
Can I install this myself or do I need a licensed technician? +
Hire a licensed HVAC contractor. The sweat valve connections require soldering, refrigerant handling demands EPA certification, and gas line work requires local permits. DIY installation voids the 10-year warranty and creates safety risks with pressurized components.
When should I use the heat pump versus the furnace? +
Use heat pump mode above 40 degrees, where it's most efficient. Below that, the system defaults to the 100,000 BTU furnace for better heating output. Modern thermostats automate this switchover, so you control nothing manually.
How does 14 SEER compare to newer SEER2 ratings? +
SEER2 is a tougher standard reflecting real-world conditions better than SEER. This unit's 14 SEER roughly translates to 11-12 SEER2. It's efficient but not premium tier. Check if your rebates require SEER2 compliance before purchasing.
Is the 10-year warranty transferable if I sell my home? +
Most HVAC warranties transfer to second owners with proof of registration and installation date. Verify ACiQ's specific transfer policy in your warranty documentation before relying on this for resale value.

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