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Heat pump condensing unit

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Day & Night Heat pump condensing unit B5H3V24*K*AAA*

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Day & Night Day & Night AHRI Outdoor - Ion 23 Variable-Speed Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Day & Night B5H3V24*K*AAA* product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: B5H3V24*K*AAA*
  • AHRI records represented: 419
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.9
  • AHRI refrigerant: R-454B
  • Verified catalog model: B5H3V24*K*AAA*
  • Verified product family: Ion 23 Variable-Speed Heat Pump
  • Verified catalog brand: Day & Night
  • Verified model family: B5H3V
  • AHRI model/pattern: B5H3V24*K*AAA*
  • Nominal capacity: 2 ton
  • Nominal cooling capacity: 24,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 23 SEER2
  • Heating efficiency: up to 12 HSPF2
  • Compressor: variable-speed
  • Refrigerant: R-454B
  • Sound level: as low as 55 dBA
  • Capacity range: 2-5 tons within the official family
  • Official product page: https://www.dayandnightcomfort.com/en/us/products/heat-pumps/ion-23-variable-speed-heat-pump-b5h3v

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 218405860

AHRI 218405860 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit FCMA5B36L0C*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405868

AHRI 218405868 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit FCMA5X24L0B*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405908

AHRI 218405908 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit EA*5X24M14A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405916

AHRI 218405916 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit EA*5X24M14A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405924

AHRI 218405924 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit EA*5X24M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405932

AHRI 218405932 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit EA*5X24M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405940

AHRI 218405940 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit EA*5X24M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405948

AHRI 218405948 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit EA*5X24M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405956

AHRI 218405956 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit EA*5X24M17A*+WALLCON.
Eligible Central HP <5.4 tons

AHRI 218405964

AHRI 218405964 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit B5H3V24*K*AAA* and indoor unit EA*5X24M17A*+WALLCON.
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Service planning

How GreenFlow handles B5H3V24*K*AAA* 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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Jack B.

Andrey always does a great job.

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.

Terry S.

Excellent service from best tech!

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...

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