Heat pump condensing unit

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Tempstar Heat pump condensing unit N5H8T48KAAA*

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Tempstar Tempstar AHRI Outdoor - Performance 18 Two-Stage Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning

Technical Specifications

Product Specs

AHRI unit role: Outdoor
AHRI model/pattern: N5H8T48*K*AAA*
AHRI records represented: 405
AHRI equipment type: HP - Split System
AHRI refrigerant: R-454B
Verified catalog model: N5H8T48*K*AAA*
Verified product family: Performance 18 Two-Stage Heat Pump
Verified catalog brand: Tempstar
Verified model family: N5H8T
AHRI model/pattern: N5H8T48*K*AAA*
Nominal capacity: 4 ton
Nominal cooling capacity: 48,000 BTU nominal cooling capacity
Cooling efficiency: up to 18 SEER2
Heating efficiency: up to 8.5 HSPF2
Compressor: two-stage scroll
Refrigerant: R-454B
Sound level: as low as 69 dBA
Capacity range: 2-5 tons within the official family
Official product page: https://www.tempstar.com/en/us/products/heat-pumps/performance-two-stage-heat-pump-n5h8t

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.

Service planning

How GreenFlow handles N5H8T48KAAA* 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.

Additional Services

Heat Pump Installation

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Our Happy Customers

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

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...

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.

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.