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Heat pump condensing unit

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GE Appliances Heat pump condensing unit NS21H24MA5

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GE Appliances GE Appliances AHRI Outdoor - 21 SEER2 Inverter Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
GE Appliances NS21H24MA5 product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: NS21H24MA5-**A
  • AHRI records represented: 98
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.85
  • AHRI refrigerant: R-454B
  • Verified catalog model: NS21H24MA5-**A
  • Verified product family: 21 SEER2 Inverter Heat Pump
  • Verified catalog brand: GE Appliances
  • Verified model: NS21H24MA5
  • AHRI model/pattern: NS21H24MA5-**A
  • Product family: 21 SEER2 Inverter Heat Pump
  • Nominal capacity: 2 ton
  • Cooling rated capacity: 24,000 BTU nominal cooling capacity
  • SEER:
  • SEER2: 21
  • Compressor type: Inverter
  • Refrigerant: R454B
  • Dimensions: 45.375 H x 35.75 W x 39.75 D
  • Net weight: 330 lb
  • Approximate shipping weight: 340 lb
  • Parts warranty: limited 5-year entire appliance; limited 10-year entire appliance with registration
  • High-efficiency inverter compressor
  • Outdoor heat-pump unit
  • R454B refrigerant
  • Limited 10-year entire appliance warranty with registration
  • Official product page: https://www.geappliancesairandwater.com/appliance/2-Ton-21-SEER2-Inverter-Heat-Pump-NS21H24MA5
  • Specification guide: https://images.salsify.com/image/upload/s--C15S4hwn--/wqeglpkegchsm5aq8jzd.pdf
  • Installation instructions: https://images.salsify.com/image/upload/s--frFJ1rgs--/9e1da6947cc8129870e33461c151d93b838aa580.pdf

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 217642425

AHRI 217642425 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30AT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642426

AHRI 217642426 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NAM24V2TA5*-**.
Eligible Central HP <5.4 tons

AHRI 217642427

AHRI 217642427 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30AT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642428

AHRI 217642428 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642429

AHRI 217642429 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642430

AHRI 217642430 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642431

AHRI 217642431 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642432

AHRI 217642432 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642507

AHRI 217642507 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30AT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642508

AHRI 217642508 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H24MA5-**A and indoor unit NCU[C,U]30AT5*-**+TDR.
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Service planning

How GreenFlow handles NS21H24MA5 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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Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

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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