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Heat pump condensing unit

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Day & Night Heat pump condensing unit D5CUHAH36AAK

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Day & Night Day & Night AHRI Outdoor - QuietComfort Compact Crossover Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Day & Night D5CUHAH36AAK product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: D5CUHAH36AAK+TIC2025-0016
  • AHRI records represented: 332
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.9166666666666665
  • AHRI refrigerant: R-454B
  • Verified catalog model: D5CUHAH36AAK+TIC2025-0016
  • Verified product family: QuietComfort Compact Crossover Heat Pump
  • Verified catalog brand: Day & Night
  • Verified model family: D5CUHAH
  • AHRI model/pattern: D5CUHAH36AAK+TIC2025-0016
  • Nominal capacity: 3 ton
  • Nominal cooling capacity: 36,000 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: 2-5 tons within the official family
  • Official product page: https://www.dayandnightcomfort.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 217391431

AHRI 217391431 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit FTMA5B36L0C*.
Eligible Central HP <5.4 tons

AHRI 217391445

AHRI 217391445 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit F5MA5*48L*C*.
Eligible Central HP <5.4 tons

AHRI 217391453

AHRI 217391453 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit F5MA5*42L*C*.
Eligible Central HP <5.4 tons

AHRI 217391461

AHRI 217391461 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit F5MA5*36L*B*.
Eligible Central HP <5.4 tons

AHRI 217391472

AHRI 217391472 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X48M12A*.
Eligible Central HP <5.4 tons

AHRI 217391480

AHRI 217391480 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X48M12A*.
Eligible Central HP <5.4 tons

AHRI 217391488

AHRI 217391488 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X48M12A*.
Eligible Central HP <5.4 tons

AHRI 217391496

AHRI 217391496 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X48M12A*.
Eligible Central HP <5.4 tons

AHRI 217391504

AHRI 217391504 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X48M12A*.
Eligible Central HP <5.4 tons

AHRI 217391512

AHRI 217391512 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X48M12A*.
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Service planning

How GreenFlow handles D5CUHAH36AAK 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

Terry S.

Excellent service from best tech!

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.

Jenny W.

Great service! On time, knowledgeable & professional

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...

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