Green Flow Solution logo
Schedule Service

Gas furnace

Back to Day & Night products

Day & Night Gas furnace *97CTN0802120A*

Request ServiceEquipment Quote
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*.
Loading more

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.

Our Services

Showing services from our catalog

Brands We Service

Popular cities

Service Areas

Our Happy Customers

Terry S.

Excellent service from best tech!

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...

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

View All