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Arcoaire Gas furnace R80MSU-80,000 BTU/h input

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Arcoaire Arcoaire AHRI Furnace - R-Series 80 Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Arcoaire R80MSU-80,000 BTU/h input product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *80MSU0802120A*
  • AHRI records represented: 204
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.9
  • AHRI refrigerant: R-454B
  • Verified catalog model: *80MSU0802120A*
  • Verified product family: R-Series 80 Gas Furnace
  • Verified catalog brand: Arcoaire
  • Verified model family: R80MSU
  • AHRI model/pattern: *80MSU0802120A*
  • Nominal input: 80,000 BTU/h input
  • AFUE family: 80%
  • Heating stages: single-stage
  • Blower: multi-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.arcoaire.com/en/us/products/gas-furnaces/r-series-r80msu

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 216735576

AHRI 216735576 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH24AAK and indoor unit EA*5X37M21A*.
Eligible Central HP <5.4 tons

AHRI 216736357

AHRI 216736357 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH24AAK and indoor unit ESH5X24M12A*.
Eligible Central HP <5.4 tons

AHRI 216737236

AHRI 216737236 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH24AAK and indoor unit ESH5X30M12A*.
Eligible Central HP <5.4 tons

AHRI 216738225

AHRI 216738225 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH24AAK and indoor unit ESH5X36M12A*.
Eligible Central HP <5.4 tons

AHRI 216755689

AHRI 216755689 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH30AAK and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217391542

AHRI 217391542 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X48M12A*.
Eligible Central HP <5.4 tons

AHRI 217391869

AHRI 217391869 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217392196

AHRI 217392196 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X36M12A*.
Eligible Central HP <5.4 tons

AHRI 217392499

AHRI 217392499 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217392786

AHRI 217392786 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
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Service planning

How GreenFlow handles R80MSU-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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Jack B.

Andrey always does a great job.

Murali S.

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

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

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Great service! On time, knowledgeable & professional

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