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Day & Night Gas furnace F97CMN-100,000 BTU/h input

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Day & Night Day & Night AHRI Furnace - Ion 98 Variable-Speed Modulating Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Day & Night F97CMN-100,000 BTU/h input product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *97CMN1002122B*
  • AHRI records represented: 235
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2
  • AHRI refrigerant: R-454B
  • Verified catalog model: *97CMN1002122B*
  • Verified product family: Ion 98 Variable-Speed Modulating Gas Furnace
  • Verified catalog brand: Day & Night
  • Verified model family: F97CMN
  • AHRI model/pattern: *97CMN1002122B*
  • Nominal input: 100,000 BTU/h input
  • AFUE family: 98%
  • Heating stages: modulating
  • 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-98-variable-speed-modulating-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 215667912

AHRI 215667912 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V24*K*AAA* and indoor unit EA*5X37M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215668760

AHRI 215668760 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X37M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215668920

AHRI 215668920 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X42M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669072

AHRI 215669072 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X43M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669258

AHRI 215669258 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669388

AHRI 215669388 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X60M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669578

AHRI 215669578 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X61M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669708

AHRI 215669708 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X61M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669890

AHRI 215669890 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit ESH5X36M12A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215670074

AHRI 215670074 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit C5H0V36*K*AAA* and indoor unit ESH5X42M12A*+WALLCON.
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Service planning

How GreenFlow handles F97CMN-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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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.

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.

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

Jack B.

Andrey always does a great job.

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