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Carrier Gas furnace 59CU5B100C21**22

Carrier Carrier AHRI Furnace - Infinity 95 Ultra-Low NOx Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Carrier 59CU5B100C21**22 product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: 59CU5B100C21**22
  • AHRI records represented: 163
  • AHRI equipment type: Central HP
  • AHRI tonnage: 4.125
  • AHRI refrigerant: R-454B
  • Verified catalog model: 59CU5B100C21**22
  • Verified product family: Infinity 95 Ultra-Low NOx Gas Furnace
  • Verified catalog brand: Carrier
  • Verified model family: 59CU5
  • Verified catalog model pattern: 59CU5B100C21--22
  • AHRI model/pattern: 59CU5B100C21**22
  • Product family: Infinity 95 Ultra-Low NOx Gas Furnace
  • AFUE efficiency: up to 95%
  • Combustion: condensing gas furnace
  • Gas valve: single-stage
  • Blower motor: variable-speed ECM blower motor
  • Controls: Infinity communicating capable furnace family
  • NOx rating: ultra-low NOx, 14 ng/J compliant family
  • Furnace input capacity: 100,000 BTU/h input
  • Cabinet width code: 21 in.
  • AHRI airflow/output code: 22
  • Application: matched indoor furnace for split-system air conditioner or heat pump combinations
  • Official product page: https://www.carrier.com/us/en/residential/furnaces/59cu5/
  • Technical documentation: https://www.shareddocs.com/hvac/docs/1009/Public/00/59CU5B-03SI.pdf

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

View All
Eligible Central HP <5.4 tons

AHRI 215588099

AHRI 215588099 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA154A*030* and indoor unit CAA**6024AM*+UI.

Eligible Central HP <5.4 tons

AHRI 215588173

AHRI 215588173 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA154A*030* and indoor unit CSAH*6012AM*+UI.

Eligible Central HP <5.4 tons

AHRI 215588253

AHRI 215588253 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA154A*030* and indoor unit CVAMA6024XMA*+UI.

Eligible Central HP <5.4 tons

AHRI 215588277

AHRI 215588277 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA154A*030* and indoor unit CVAMA6124XMA*+UI.

Eligible Central HP <5.4 tons

AHRI 215588323

AHRI 215588323 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA154A*030* and indoor unit CVAVA4924XMA*+UI.

Eligible Central HP <5.4 tons

AHRI 215588361

AHRI 215588361 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA154A*030* and indoor unit CVAVA6024XMA*+UI.

Eligible Central HP <5.4 tons

AHRI 215588403

AHRI 215588403 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA154A*030* and indoor unit CVAVA6124XMA*+UI.

Eligible Central HP <5.4 tons

AHRI 215669202

AHRI 215669202 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA036A*030* and indoor unit CAA**4821AM*+UI.

Eligible Central HP <5.4 tons

AHRI 215669352

AHRI 215669352 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA036A*030* and indoor unit CAA**6024AM*+UI.

Eligible Central HP <5.4 tons

AHRI 215669522

AHRI 215669522 identifies a Mass Save qualified Central HP <5.4 tons from CARRIER with outdoor unit 27VNA036A*030* and indoor unit CAA**6121AM*+UI.

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Service planning

How GreenFlow handles 59CU5B100C21**22 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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