Independent Review · Updated June 2026

4 Ton 17 SEER 97% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

97% AFUE furnace with 18 SEER2 cooling delivers premium efficiency in a compact package

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 17 SEER 97% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$0
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system is ideal for homeowners upgrading older equipment who want maximum heating efficiency without oversizing their space. The 97% AFUE and modulating burner make it especially valuable in cold climates where furnace runtime is substantial.

Review

Goodman's 4-ton gas furnace and air conditioner pairing represents a solid mid-market choice for homeowners seeking efficiency without premium pricing. The system combines a 97% AFUE furnace delivering 120,000 BTU with a cooling unit rated at 18 SEER2, positioning it competitively against established brands. ENERGY STAR certification confirms it meets federal efficiency thresholds. The upflow configuration and right-side flue location offer installation flexibility in typical residential basements and utility closets.

Heating performance comes from a modulating burner that adjusts output continuously rather than cycling full-on or off, matching actual heating demand. The variable-speed ECM blower reaches 2,000 CFM maximum while operating at just 72 decibels, quieter than older fixed-speed motors. R410A refrigerant and scroll compressor technology in the condenser deliver the 47,000 BTU cooling capacity. Running on 208/230V single phase, it requires minimum 29.3 amps and maximum 50 amps breaker capacity.

Pros & Cons

Pros

  • 97% AFUE efficiency cuts heating costs noticeably compared to 80-90% units, delivering 120,000 BTU with minimal waste
  • 18 SEER2 cooling rating (stated as 17 SEER in legacy specs) matches premium-tier air conditioners at mid-tier pricing
  • Modulating burner adjusts to actual heating demand rather than cycling on-off, improving comfort and reducing energy spikes
  • Variable-speed ECM blower motor runs quietly at 72 dB and adapts airflow to ductwork resistance
  • PVC exhaust option simplifies venting in retrofit applications where metal flues are problematic

Cons

  • Specs show conflicting tonnage, listing 4 Ton in title but 5 Ton in specifications, creating selection uncertainty
  • Two-stage condenser is less sophisticated than three-stage units from competitors, limiting partial-load efficiency gains
  • Cooling BTU rated at 47,000 seems undersized for claimed tonnage, suggesting real capacity may be limited

Who Should Buy

Best For

Homeowners in northern climates replacing 15+ year old furnaces will see the fastest ROI from the 97% AFUE rating. Contractors serving residential retrofit work appreciate the upflow flexibility and straightforward PVC exhaust configuration.

Consider Alternatives If

Skip this if you need true 5-ton cooling capacity or live in a mild climate where heating efficiency premium doesn't justify the cost premium over 90-92% AFUE models.

4 Ton 17 SEER 97% AFUE 120,000 BTU Goodman Gas Fur
$0
Buy at HVACDirect →

Installation

This unit requires PVC or plastic exhaust venting, which simplifies installation compared to metal flue systems in older homes. Upflow/horizontal mounting fits standard 30-inch by 24.5-inch by 21-inch spaces. Sweat-type refrigerant connections with 3/8-inch liquid and 7/8-inch suction lines demand EPA-certified technician handling. The 76-pound weight is manageable for two installers in typical basement settings.

Warranty & Reliability

Goodman provides 10 years of parts coverage when you register online, a standard industry benchmark. The separate evaporator coil warranty ensures matched components stay protected. Registration is quick and removes excuses for claims disputes. This coverage aligns with system lifespan expectations, though extended service agreements remain advisable for aging homeowners.

Specifications

SKUCAPT4961D4
Brand/ManufacturerGoodman
Cooling BTU47,000
Heating BTU120,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)76.000000
FeatureSpec
AHRI Certificate Number7424268
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Flue LocationRight
Energy StarYes
Burner StagesModulating
Fuel TypePropane, Natural Gas
Height30"
Width24.5"
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.
SEER1 (Efficiency)18
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size50 amps
Min. Breaker Size29.3 amps
Tonnage5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil

Frequently Asked Questions

Does this unit really deliver 4 tons or 5 tons of cooling? +
Specs show conflicting data: the product title states 4 ton, but the specifications list 5 ton. Actual cooling output is listed as 47,000 BTU, which calculates to approximately 3.9 tons. Verify with your supplier before purchase to ensure it matches your home's load calculation.
Can I use this in a horizontal installation? +
Yes. The spec sheet lists airflow direction as upflow/horizontal and configuration as upflow/downflow capable. This flexibility is valuable for homes with side-mounted returns or tight attic installations. Confirm duct connections before installation.
What's the real-world heating savings compared to a 90% AFUE furnace? +
At 97% AFUE versus 90% AFUE, you save roughly 7% of heating fuel annually. In a $1,500 heating season, that's approximately $105 per year. Payback depends on the price premium, typically 3 to 5 years in northern climates.
How does the 18 SEER2 rating compare to other mid-tier units? +
18 SEER2 equals roughly 21 SEER in legacy ratings, placing this at premium efficiency. Most mid-tier units sit at 15-17 SEER2. However, two-stage cooling limits efficiency gains at partial loads compared to variable-capacity competitors.
Is online registration required for warranty coverage? +
Yes. Goodman requires online registration to activate the 10-year parts warranty. Registration is free and takes minutes. Without it, coverage may default to shorter periods, so complete it immediately after installation.

Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.