Independent Review · Updated June 2026

5 Ton 15 SEER 97% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

97% AFUE furnace with modulating burner and variable-speed blower for consistent comfort

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
5 Ton 15 SEER 97% AFUE 100,000 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 contractors and homeowners seeking a high-efficiency heating and cooling combo without premium pricing. The 97% AFUE rating and modulating burner make it excellent for cold climates where heating dominates utility bills, while the variable-speed ECM blower keeps operating costs low year-round.

Review

The Goodman CAPF 5-ton system represents a balanced choice in the mid-tier HVAC market. This combined furnace and air conditioner package delivers respectable efficiency ratings without stepping into premium pricing territory. At 97% AFUE for heating and 15 SEER for cooling, it addresses the core efficiency concerns that drive homeowner operating costs. The modulating burner technology allows the furnace to adjust output smoothly rather than cycling on and off, which appeals to contractors installing systems in older homes where space is tight.

Performance-wise, the numbers tell a practical story. The 100,000 BTU heating capacity and 57,000 BTU cooling capacity serve 5-ton requirements adequately. The variable-speed ECM blower maxes out at 2,000 CFM and scales down automatically, reducing idle-time electricity waste that fixed-speed motors produce. At 74 decibels, noise levels remain reasonable for residential settings. The two-stage condenser and scroll compressor design keep refrigerant management straightforward, though this system accepts either R410A or R22, making future servicing options available.

Pros & Cons

Pros

  • 97% AFUE furnace efficiency with modulating burner stages for precise heat output matching
  • Variable-speed ECM blower motor reduces electricity consumption compared to fixed-speed alternatives
  • 5-ton cooling capacity with 57,000 BTU and two-stage compressor for flexible operation
  • Compact dimensions (30 x 21 x 21 inches) fit tight upflow installations
  • PVC exhaust flue compatible, reducing venting complexity and cost

Cons

  • SEER rating of 15 is solid but not cutting-edge, especially compared to 16-18 SEER competitors
  • No Energy Star certification despite high efficiency ratings
  • Scroll compressor, while reliable, can struggle with refrigerant slugging in certain installations

Who Should Buy

Best For

Contractors installing systems in existing homes with space constraints and homeowners in heating-heavy climates who prioritize efficiency. The modulating furnace and variable-speed blower make this particularly smart for customers wanting lower fuel and electricity bills without high-end system costs.

Consider Alternatives If

Buyers in mild climates where cooling dominates or those specifically seeking Energy Star rated equipment should compare alternatives first.

5 Ton 15 SEER 97% AFUE 100,000 BTU Goodman Gas Fur
$0
Buy at HVACDirect →

Installation

Installation is contractor-friendly. The upflow configuration suits standard closet and basement placements, while the right-side flue location offers flexibility in equipment room layouts. PVC exhaust piping simplifies venting compared to metal alternatives. The 208/230V single-phase 60Hz requirement demands standard residential electrical service. Breaker sizing ranges from 36.7 to 60 amps, allowing flexibility with existing panels. Sweat valve connections with 3/8 inch liquid and 7/8 inch suction lines require competent brazing skills but no exotic fittings.

Warranty & Reliability

Goodman provides 10 years of parts coverage when you register the system online. This is competitive for mid-range equipment but falls short of some premium brands offering 10-year compressor or extended protection. Registration is straightforward and essential, as manufacturer support relies on it. The evaporator coil carries its own warranty documentation, important for warranty coordination if cooling issues emerge.

Specifications

SKUCAPF4961C6
Brand/ManufacturerGoodman
Cooling BTU57,000
Heating BTU100,000
RefrigerantR410A or R22
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)46.000000
FeatureSpec
AHRI Certificate Number7424267
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Flue LocationRight
Energy StarNo
Burner StagesModulating
Fuel TypePropane, Natural Gas
Height30"
Width21"
Depth21"
ResourcesCAPF Installation Manual CAPF 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 Size60 amps
Min. Breaker Size36.7 amps
Tonnage5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil

Frequently Asked Questions

What does 97% AFUE actually mean for my heating bill? +
AFUE measures how much fuel converts to usable heat. At 97%, this furnace wastes only 3% of natural gas or propane, versus 80-85% for older systems. Homeowners typically see 15-25% annual heating savings compared to 15-year-old equipment, though actual savings depend on climate, home insulation, and usage patterns.
Can this system handle both upflow and downflow installations? +
Yes, the configuration supports both upflow and downflow orientations. However, verify your specific unit's flue location (this model has a right-side flue) before finalizing placement. Incorrect orientation affects venting efficiency and may void the warranty.
How does the modulating burner compare to single-stage heating? +
Modulating burners adjust flame size continuously to match heating demand, eliminating the on/off cycling of single-stage units. This reduces temperature swings, improves comfort, and lowers energy use. You'll notice less temperature fluctuation throughout your home, especially on mild winter days.
Is 15 SEER competitive, or should I spend more for 16-18 SEER? +
15 SEER is solid for mid-market systems. Higher SEER ratings (16-18) improve cooling efficiency by 6-20%, but cost significantly more upfront. For cooling-dominant climates, the upgrade makes sense. For heating-heavy regions, the 97% furnace efficiency matters more than cooling ratings.
Do I need online registration for the warranty? +
Yes, Goodman requires online registration to activate the 10-year warranty. Registration is free and takes minutes. Without it, warranty coverage defaults to much shorter periods, so don't skip this step 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.