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

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Tempstar Tempstar AHRI Furnace - R-Series 80 Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Tempstar 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: Tempstar
  • 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.tempstar.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 216735581

AHRI 216735581 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH24AAK and indoor unit EA*5X37M21A*.
Eligible Central HP <5.4 tons

AHRI 216736362

AHRI 216736362 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH24AAK and indoor unit ESH5X24M12A*.
Eligible Central HP <5.4 tons

AHRI 216737241

AHRI 216737241 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH24AAK and indoor unit ESH5X30M12A*.
Eligible Central HP <5.4 tons

AHRI 216738230

AHRI 216738230 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH24AAK and indoor unit ESH5X36M12A*.
Eligible Central HP <5.4 tons

AHRI 216755694

AHRI 216755694 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH30AAK and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217391547

AHRI 217391547 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X48M12A*.
Eligible Central HP <5.4 tons

AHRI 217391874

AHRI 217391874 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217392201

AHRI 217392201 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X36M12A*.
Eligible Central HP <5.4 tons

AHRI 217392504

AHRI 217392504 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217392791

AHRI 217392791 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR 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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Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Jahangir R.

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

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.

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

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