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Heat pump condensing unit

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GE Appliances Heat pump condensing unit NS21H36MA5

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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 NS21H36MA5 product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: NS21H36MA5-**A
  • AHRI records represented: 141
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.8333333333333335
  • AHRI refrigerant: R-454B
  • Verified catalog model: NS21H36MA5-**A
  • Verified product family: 21 SEER2 Inverter Heat Pump
  • Verified catalog brand: GE Appliances
  • Verified model: NS21H36MA5
  • AHRI model/pattern: NS21H36MA5-**A
  • Product family: 21 SEER2 Inverter Heat Pump
  • Nominal capacity: 3 ton
  • Cooling rated capacity: 36,000 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: 328 lb
  • Approximate shipping weight: 338 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/3-Ton-21-SEER2-Inverter-Heat-Pump-NS21H36MA5
  • 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 217642451

AHRI 217642451 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NAM42V2TA5*-**.
Eligible Central HP <5.4 tons

AHRI 217642453

AHRI 217642453 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642454

AHRI 217642454 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642455

AHRI 217642455 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642456

AHRI 217642456 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642458

AHRI 217642458 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36AT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642522

AHRI 217642522 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642523

AHRI 217642523 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642524

AHRI 217642524 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36BT5*-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217642525

AHRI 217642525 identifies a Mass Save qualified Central HP <5.4 tons from GE with outdoor unit NS21H36MA5-**A and indoor unit NCU[C,U]36BT5*-**+TDR.
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Service planning

How GreenFlow handles NS21H36MA5 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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Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

Jack B.

Andrey always does a great job.

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...

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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