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Comfortmaker Gas furnace F80CTL-45,000 BTU/h input

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Comfortmaker Comfortmaker AHRI Furnace - Ion 80 Variable-Speed Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Comfortmaker F80CTL-45,000 BTU/h input product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *80CTL0451712B*
  • AHRI records represented: 188
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.8833333333333333
  • AHRI refrigerant: R-454B
  • Verified catalog model: *80CTL0451712B*
  • Verified product family: Ion 80 Variable-Speed Gas Furnace
  • Verified catalog brand: Comfortmaker
  • Verified model family: F80CTL
  • AHRI model/pattern: *80CTL0451712B*
  • Nominal input: 45,000 BTU/h input
  • AFUE family: 80%
  • Heating stages: two-stage
  • Blower: variable-speed
  • NOx classification: standard
  • Cabinet width code: 17
  • 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-80-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 215667006

AHRI 215667006 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V24*K*AAA* and indoor unit EA*5X24M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215667168

AHRI 215667168 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V24*K*AAA* and indoor unit EA*5X25M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215667402

AHRI 215667402 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V24*K*AAA* and indoor unit EA*5X30M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215667601

AHRI 215667601 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V24*K*AAA* and indoor unit EA*5X36M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215667743

AHRI 215667743 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V24*K*AAA* and indoor unit EA*5X37M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215667831

AHRI 215667831 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V24*K*AAA* and indoor unit EA*5X37M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215668551

AHRI 215668551 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X37M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215668655

AHRI 215668655 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X37M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215668975

AHRI 215668975 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X43M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669127

AHRI 215669127 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit C5H0V36*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
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Service planning

How GreenFlow handles F80CTL-45,000 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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Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

Terry S.

Excellent service from best tech!

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

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.

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