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Trane Heat pump component 5TEM5B03AC21

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Trane Trane AHRI Indoor - Choice Multi-Speed Air Handler Heat pump component Repair, maintenance, and replacement planning
Trane 5TEM5B03AC21 product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: 5TEM5B03AC21
  • AHRI records represented: 1
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.9166666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: 5TEM5B03AC21
  • Verified product family: Choice Multi-Speed Air Handler
  • Verified catalog brand: Trane
  • Verified model family: 5TEM5
  • AHRI indoor model/pattern: 5TEM5B03AC21
  • Base air handler model: 5TEM5B03AC21
  • Configuration: multi-position air handler
  • Application: matched split-system heat pump or air conditioner indoor unit
  • Nominal tonnage range: 2.0-3.0 tons
  • Nominal airflow family: up to 800 CFM
  • Refrigerant: R-454B
  • Blower: multi-speed ECM
  • Controls: 24V matched-system control family
  • Official product page: https://www.trane.com/residential/en/products/air-handlers/choice/

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 216772255

AHRI 216772255 identifies a Mass Save qualified Central HP <5.4 tons from TRANE with outdoor unit 5HCL5024A1 and indoor unit 5TEM5B03AC21.

Service planning

How GreenFlow handles 5TEM5B03AC21 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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Our Happy Customers

Neal V.

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...

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.

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Anna G.

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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