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Heat pump condensing unit

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Tempstar Heat pump condensing unit N5H9V48*K*AAA*

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Tempstar Tempstar AHRI Outdoor - Performance 19 Variable-Speed Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Tempstar N5H9V48*K*AAA* product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: N5H9V48*K*AAA*
  • AHRI records represented: 505
  • AHRI equipment type: Central HP
  • AHRI tonnage: 3.875
  • AHRI refrigerant: R-454B
  • Verified catalog model: N5H9V48*K*AAA*
  • Verified product family: Performance 19 Variable-Speed Heat Pump
  • Verified catalog brand: Tempstar
  • Verified model family: N5H9V
  • AHRI model/pattern: N5H9V48*K*AAA*
  • Nominal capacity: 4 ton
  • Nominal cooling capacity: 48,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 19 SEER2
  • Heating efficiency: up to 10 HSPF2
  • Compressor: variable-speed
  • Refrigerant: R-454B
  • Sound level: as low as 57 dBA
  • Capacity range: 2-5 tons within the official family
  • Official product page: https://www.tempstar.com/en/us/products/heat-pumps/performance-variable-speed-heat-pump-n5h9v

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 217914929

AHRI 217914929 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit FTMA5B48L0C*.
Eligible Central HP <5.4 tons

AHRI 217914945

AHRI 217914945 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit FTMA5B60L0D*.
Eligible Central HP <5.4 tons

AHRI 217914958

AHRI 217914958 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217914971

AHRI 217914971 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217914997

AHRI 217914997 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915010

AHRI 217915010 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915023

AHRI 217915023 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915036

AHRI 217915036 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915049

AHRI 217915049 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217915075

AHRI 217915075 identifies a Mass Save qualified Central HP <5.4 tons from TEMPSTAR with outdoor unit N5H9V48*K*AAA* and indoor unit EVM5X48M21A*.
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Service planning

How GreenFlow handles N5H9V48*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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Our Happy Customers

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...

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.

Jahangir R.

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

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