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Day & Night Gas furnace *97CTN0802120A*

Day & Night Day & Night AHRI Furnace - Ion 97 Variable-Speed Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Day & Night *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: Day & Night
  • 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.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

View All
Eligible Central HP <5.4 tons

AHRI 217910084

AHRI 217910084 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 217910091

AHRI 217910091 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 217915267

AHRI 217915267 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 217915272

AHRI 217915272 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 217915684

AHRI 217915684 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X49M21A*.

Eligible Central HP <5.4 tons

AHRI 217915689

AHRI 217915689 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V48*K*AAA* and indoor unit EVM5X49M21A*.

Eligible Central HP <5.4 tons

AHRI 217916114

AHRI 217916114 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X60M21A*.

Eligible Central HP <5.4 tons

AHRI 217916119

AHRI 217916119 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V48*K*AAA* and indoor unit EVM5X60M21A*.

Eligible Central HP <5.4 tons

AHRI 217916531

AHRI 217916531 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V48*K*AAA* and indoor unit EVD5X48M21A*.

Eligible Central HP <5.4 tons

AHRI 217916536

AHRI 217916536 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT 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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