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Kenmore Gas furnace *80CSU1002120A*

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Kenmore Kenmore AHRI Furnace - Ion 80 Ultra Low NOx Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Kenmore *80CSU1002120A* product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *80CSU1002120A*
  • AHRI records represented: 78
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.8666666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: *80CSU1002120A*
  • Verified product family: Ion 80 Ultra Low NOx Gas Furnace
  • Verified catalog brand: Kenmore
  • Verified ENERGY STAR dataset: ENERGY STAR Certified Heat Pumps
  • ENERGY STAR partner: Carrier Corporation
  • ENERGY STAR outdoor brand: Kenmore
  • ENERGY STAR series: Deluxe 20 VS Heat Pump
  • ENERGY STAR outdoor model: (C,H,T)5H0V36*K*AAA*
  • ENERGY STAR indoor model: EA*5X37M21A*+WALLCON
  • ENERGY STAR furnace model: *80CSU1002120A*
  • Matched-system SEER2: 17.50
  • Matched-system EER2: 9.50
  • Matched-system HSPF2: 9.00
  • Matched-system cooling capacity: 34,400 BTU/h
  • Matched-system heating capacity at 47F: 35,400 BTU/h
  • Matched-system heating capacity at 17F: 30,400 BTU/h
  • Compressor staging: Continuously variable
  • Refrigerant: R-454B (GWP:470 | Lower GWP)
  • ENERGY STAR certified date: 2026-05-01
  • ENERGY STAR source dataset: https://data.energystar.gov/d/83eb-xbyy
  • Carrier-family public product page: https://www.airquestcomfort.com/en/us/products/gas-furnaces/ion-80-ultra-low-nox-gas-furnace
  • Verified Carrier-family model family: F80CSU
  • AHRI furnace model/pattern: *80CSU1002120A*
  • Nominal input: 100,000 BTU/h input
  • AFUE family: 80%
  • Heating stages: single-stage
  • Blower: variable-speed
  • NOx classification: ultra-low NOx
  • Cabinet width code: 21
  • Application: matched gas furnace for split-system air conditioner or heat pump combinations

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Certification match

AHRI certificates

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Eligible Central HP <5.4 tons

AHRI 215668650

AHRI 215668650 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit EA*5X37M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215668810

AHRI 215668810 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit EA*5X42M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215668970

AHRI 215668970 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit EA*5X43M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669120

AHRI 215669120 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669300

AHRI 215669300 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit EA*5X60M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669450

AHRI 215669450 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit EA*5X61M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669620

AHRI 215669620 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit EA*5X61M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669764

AHRI 215669764 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit ESH5X36M12A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669956

AHRI 215669956 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit ESH5X42M12A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215670154

AHRI 215670154 identifies a Mass Save qualified Central HP <5.4 tons from KENMORE with outdoor unit (C,H,T)5H0V36*K*AAA* and indoor unit ESH5X48M12A*+WALLCON.
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Service planning

How GreenFlow handles *80CSU1002120A* requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Jack B.

Andrey always does a great job.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

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I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

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