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Heat pump condensing unit

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Comfortmaker Heat pump condensing unit D5CUHAH18AAK

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

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: D5CUHAH18AAK
  • AHRI records represented: 180
  • 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: Comfortmaker
  • 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.comfortmaker.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 215318915

AHRI 215318915 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK and indoor unit D5FUAAH18XAK.
Eligible Central HP <5.4 tons

AHRI 215318929

AHRI 215318929 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK and indoor unit D5FUHAH24XAK.
Eligible Central HP <5.4 tons

AHRI 217399835

AHRI 217399835 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FTMA5X24L0B*.
Eligible Central HP <5.4 tons

AHRI 217399846

AHRI 217399846 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FMA5X24**AL*.
Eligible Central HP <5.4 tons

AHRI 217399857

AHRI 217399857 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FMA5X18**AL*.
Eligible Central HP <5.4 tons

AHRI 217399868

AHRI 217399868 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FM(C,U)5Z30**AL*.
Eligible Central HP <5.4 tons

AHRI 217399879

AHRI 217399879 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FM(C,U)5Z24**AL*.
Eligible Central HP <5.4 tons

AHRI 217399890

AHRI 217399890 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FM(C,U)5Z18**AL*.
Eligible Central HP <5.4 tons

AHRI 217399911

AHRI 217399911 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER with outdoor unit D5CUHAH18AAK+TIC2025-0016 and indoor unit FHMA5*18L*A*.
Eligible Central HP <5.4 tons

AHRI 217399923

AHRI 217399923 identifies a Mass Save qualified Central HP <5.4 tons from COMFORTMAKER 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

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.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off 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

Michele Z.

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

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