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Arcoaire Gas furnace F80CSU-80,000 BTU/h input

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Arcoaire Arcoaire AHRI Furnace - Ion 80 Ultra Low NOx Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Arcoaire F80CSU-80,000 BTU/h input product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *80CSU0802120A*
  • AHRI records represented: 48
  • AHRI equipment type: Central HP
  • AHRI tonnage: 3.7083333333333335
  • AHRI refrigerant: R-454B
  • Verified catalog model: *80CSU0802120A*
  • Verified product family: Ion 80 Ultra Low NOx Gas Furnace
  • Verified catalog brand: Arcoaire
  • Verified model family: F80CSU
  • AHRI model/pattern: *80CSU0802120A*
  • Nominal input: 80,000 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.arcoaire.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 215673998

AHRI 215673998 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674158

AHRI 215674158 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit EA*5X60M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674308

AHRI 215674308 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit EA*5X61M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674458

AHRI 215674458 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit EA*5X61M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215674706

AHRI 215674706 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit ESH5X48M12A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215675137

AHRI 215675137 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit ESH5X60M12A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215675367

AHRI 215675367 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit EVM5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215675507

AHRI 215675507 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit EVM5X49M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215675677

AHRI 215675677 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit EVM5X60M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215675847

AHRI 215675847 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit H5H0V48*K*AAA* and indoor unit EVM5X60M24A*+WALLCON.
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Service planning

How GreenFlow handles F80CSU-80,000 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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Great service! On time, knowledgeable & professional

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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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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...

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