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Comfortmaker Gas furnace *80CSU0401712B*

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Comfortmaker Comfortmaker AHRI Furnace - Ion 80 Ultra Low NOx Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Comfortmaker *80CSU0401712B* product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *80CSU0401712B*
  • AHRI records represented: 242
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.966666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: *80CSU0401712B*
  • Verified product family: Ion 80 Ultra Low NOx Gas Furnace
  • Verified catalog brand: Comfortmaker
  • Verified model family: F80CSU
  • AHRI model/pattern: *80CSU0401712B*
  • Nominal input: 40,000 BTU/h input
  • AFUE family: 80%
  • Heating stages: single-stage
  • Blower: variable-speed
  • NOx classification: ultra-low NOx
  • 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-ultra-low-nox-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 217908891

AHRI 217908891 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X36M17A*.
Eligible Central HP <5.4 tons

AHRI 217908898

AHRI 217908898 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X36M17A*.
Eligible Central HP <5.4 tons

AHRI 217909422

AHRI 217909422 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217909429

AHRI 217909429 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217910341

AHRI 217910341 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217910348

AHRI 217910348 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217912232

AHRI 217912232 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V36*K*AAA* and indoor unit EVD5X37M21A*.
Eligible Central HP <5.4 tons

AHRI 217912239

AHRI 217912239 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V36*K*AAA* and indoor unit EVD5X37M21A*.
Eligible Central HP <5.4 tons

AHRI 217912686

AHRI 217912686 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit N5H9V36*K*AAA* and indoor unit EVD5X38M17A*.
Eligible Central HP <5.4 tons

AHRI 217912693

AHRI 217912693 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit Q5H9V36*K*AAA* and indoor unit EVD5X38M17A*.
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Service planning

How GreenFlow handles *80CSU0401712B* 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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Jack B.

Andrey always does a great job.

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...

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...

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.

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