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Day & Night Gas furnace F97CTN-100,000 BTU/h input

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Day & Night Day & Night AHRI Furnace - Ion 97 Variable-Speed Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Day & Night F97CTN-100,000 BTU/h input product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *97CTN1002122A*
  • AHRI records represented: 228
  • AHRI equipment type: Central HP
  • AHRI tonnage: 4.625
  • AHRI refrigerant: R-454B
  • Verified catalog model: *97CTN1002122A*
  • Verified product family: Ion 97 Variable-Speed Gas Furnace
  • Verified catalog brand: Day & Night
  • Verified model family: F97CTN
  • AHRI model/pattern: *97CTN1002122A*
  • Nominal input: 100,000 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.dayandnightcomfort.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 217448279

AHRI 217448279 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H3V60*K*AAA* and indoor unit EA*5X60M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 217910099

AHRI 217910099 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217910106

AHRI 217910106 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217912049

AHRI 217912049 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V36*K*AAA* and indoor unit EVD5X36M21A*.
Eligible Central HP <5.4 tons

AHRI 217912056

AHRI 217912056 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V36*K*AAA* and indoor unit EVD5X36M21A*.
Eligible Central HP <5.4 tons

AHRI 217913926

AHRI 217913926 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V36*K*AAA* and indoor unit EVD5X42M21A*.
Eligible Central HP <5.4 tons

AHRI 217913933

AHRI 217913933 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V36*K*AAA* and indoor unit EVD5X42M21A*.
Eligible Central HP <5.4 tons

AHRI 217915280

AHRI 217915280 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915285

AHRI 217915285 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915697

AHRI 217915697 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X49M21A*.
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Service planning

How GreenFlow handles F97CTN-100,000 BTU/h input 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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