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KeepRite Gas furnace *80CSU1002120B*

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KeepRite KeepRite AHRI Furnace - Ion 80 Ultra Low NOx Gas Furnace Gas furnace Repair, maintenance, and replacement planning
KeepRite *80CSU1002120B* product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *80CSU1002120B*
  • AHRI records represented: 126
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.9166666666666665
  • AHRI refrigerant: R-454B
  • Verified catalog model: *80CSU1002120B*
  • Verified product family: Ion 80 Ultra Low NOx Gas Furnace
  • Verified catalog brand: KeepRite
  • Verified model family: F80CSU
  • AHRI model/pattern: *80CSU1002120B*
  • Nominal input: 100,000 BTU/h input
  • AFUE family: 80%
  • Heating stages: single-stage
  • Blower: variable-speed
  • NOx classification: ultra-low NOx
  • Cabinet width code: 21
  • Application: matched gas furnace for split-system air conditioner or heat pump combinations
  • Official product page: https://www.keeprite.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 217909470

AHRI 217909470 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217909477

AHRI 217909477 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217915387

AHRI 217915387 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X49M21A*.
Eligible Central HP <5.4 tons

AHRI 217915392

AHRI 217915392 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit Q5H9V48*K*AAA* and indoor unit EVM5X49M21A*.
Eligible Central HP <5.4 tons

AHRI 217915817

AHRI 217915817 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X60M21A*.
Eligible Central HP <5.4 tons

AHRI 217915822

AHRI 217915822 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit Q5H9V48*K*AAA* and indoor unit EVM5X60M21A*.
Eligible Central HP <5.4 tons

AHRI 217916260

AHRI 217916260 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit N5H9V48*K*AAA* and indoor unit EVD5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217916265

AHRI 217916265 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit Q5H9V48*K*AAA* and indoor unit EVD5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217916638

AHRI 217916638 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit N5H9V48*K*AAA* and indoor unit EVD5X49M24A*.
Eligible Central HP <5.4 tons

AHRI 217916643

AHRI 217916643 identifies a Mass Save qualified Central HP <5.4 tons from KEEPRITE with outdoor unit Q5H9V48*K*AAA* and indoor unit EVD5X49M24A*.
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Service planning

How GreenFlow handles *80CSU1002120B* 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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Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

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.

Terry S.

Excellent service from best tech!

Murali S.

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

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