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Heat pump condensing unit

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Tempstar Heat pump condensing unit D5CUHAH18AAK

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Tempstar Tempstar AHRI Outdoor - QuietComfort Compact Crossover Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Tempstar D5CUHAH18AAK product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: D5CUHAH18AAK
  • AHRI records represented: 204
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.5
  • AHRI refrigerant: R-454B
  • Verified catalog model: D5CUHAH18AAK
  • Verified product family: QuietComfort Compact Crossover Heat Pump
  • Verified catalog brand: Tempstar
  • Verified model family: D5CUHAH
  • AHRI model/pattern: D5CUHAH18AAK
  • Nominal capacity: 1.5 ton
  • Nominal cooling capacity: 18,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 19 SEER2
  • Heating efficiency: up to 10.8 HSPF2
  • Compressor: variable-speed compact crossover
  • Refrigerant: R-454B
  • Sound level: as low as quiet performance
  • Capacity range: 1.5-5 tons within the official family
  • Official product page: https://www.tempstar.com/en/us/products/crossover-solutions/d5cuha

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 215319083

AHRI 215319083 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK and indoor unit D5FUAAH18XAK.
Eligible Central HP <5.4 tons

AHRI 215319097

AHRI 215319097 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK and indoor unit D5FUHAH24XAK.
Eligible Central HP <5.4 tons

AHRI 217399839

AHRI 217399839 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FTMA5X24L0B*.
Eligible Central HP <5.4 tons

AHRI 217399850

AHRI 217399850 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FMA5X24**AL*.
Eligible Central HP <5.4 tons

AHRI 217399861

AHRI 217399861 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FMA5X18**AL*.
Eligible Central HP <5.4 tons

AHRI 217399872

AHRI 217399872 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FM(C,U)5Z30**AL*.
Eligible Central HP <5.4 tons

AHRI 217399883

AHRI 217399883 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FM(C,U)5Z24**AL*.
Eligible Central HP <5.4 tons

AHRI 217399894

AHRI 217399894 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FM(C,U)5Z18**AL*.
Eligible Central HP <5.4 tons

AHRI 217399915

AHRI 217399915 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FHMA5*18L*A*.
Eligible Central HP <5.4 tons

AHRI 217399927

AHRI 217399927 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FEVB0024**+NAVA53601CK.
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Service planning

How GreenFlow handles D5CUHAH18AAK 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

Michele Z.

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

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

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

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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