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Comfortmaker Gas furnace *97CTN0802120A*

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Comfortmaker Comfortmaker AHRI Furnace - Ion 97 Variable-Speed Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Comfortmaker *97CTN0802120A* product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *97CTN0802120A*
  • AHRI records represented: 208
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.9
  • AHRI refrigerant: R-454B
  • Verified catalog model: *97CTN0802120A*
  • Verified product family: Ion 97 Variable-Speed Gas Furnace
  • Verified catalog brand: Comfortmaker
  • Verified model family: F97CTN
  • AHRI model/pattern: *97CTN0802120A*
  • Nominal input: 80,000 BTU/h input
  • AFUE family: 97%
  • Heating stages: two-stage
  • Blower: variable-speed
  • NOx classification: standard
  • Cabinet width code: 21
  • Application: matched gas furnace for split-system air conditioner or heat pump combinations
  • Official product page: https://www.comfortmaker.com/en/us/products/gas-furnaces/ion-97-variable-speed-gas-furnace

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 217910083

AHRI 217910083 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217910090

AHRI 217910090 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217915266

AHRI 217915266 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915271

AHRI 217915271 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915683

AHRI 217915683 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X49M21A*.
Eligible Central HP <5.4 tons

AHRI 217915688

AHRI 217915688 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V48*K*AAA* and indoor unit EVM5X49M21A*.
Eligible Central HP <5.4 tons

AHRI 217916113

AHRI 217916113 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X60M21A*.
Eligible Central HP <5.4 tons

AHRI 217916118

AHRI 217916118 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V48*K*AAA* and indoor unit EVM5X60M21A*.
Eligible Central HP <5.4 tons

AHRI 217916530

AHRI 217916530 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V48*K*AAA* and indoor unit EVD5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217916535

AHRI 217916535 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V48*K*AAA* and indoor unit EVD5X48M21A*.
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Service planning

How GreenFlow handles *97CTN0802120A* 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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Our Happy Customers

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Terry S.

Excellent service from best tech!

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

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