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Heil Gas furnace F95CSU-80,000 BTU/h input

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Heil Heil AHRI Furnace - Ion 95 Ultra-Low NOx Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Heil F95CSU-80,000 BTU/h input product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *95CSU0802120B*
  • AHRI records represented: 202
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.8666666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: *95CSU0802120B*
  • Verified product family: Ion 95 Ultra-Low NOx Gas Furnace
  • Verified catalog brand: Heil
  • Verified model family: F95CSU
  • AHRI model/pattern: *95CSU0802120B*
  • Nominal input: 80,000 BTU/h input
  • AFUE family: 95%
  • 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.heil-hvac.com/en/us/products/gas-furnaces/ion-95-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 215668708

AHRI 215668708 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit EA*5X37M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215668868

AHRI 215668868 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit EA*5X42M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669028

AHRI 215669028 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit EA*5X43M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669194

AHRI 215669194 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit EA*5X48M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669344

AHRI 215669344 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit EA*5X60M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669514

AHRI 215669514 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit EA*5X61M21A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669664

AHRI 215669664 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit EA*5X61M24A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215669838

AHRI 215669838 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit ESH5X36M12A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215670030

AHRI 215670030 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit ESH5X42M12A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 215670248

AHRI 215670248 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit H5H0V36*K*AAA* and indoor unit ESH5X48M12A*+WALLCON.
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Service planning

How GreenFlow handles F95CSU-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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