Heat pump condensing unit

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ACiQ Heat pump condensing unit N5H8T48KAAA*

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ACiQ ACiQ AHRI Outdoor - N5H9V 2-stage 18 SEER 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: 389
AHRI equipment type: HP - Split System
AHRI refrigerant: R-454B
Verified catalog model: N5H8T48*K*AAA*
Verified product family: N5H9V 2-stage 18 SEER heat pump
Verified catalog brand: ACiQ
Verified ENERGY STAR AHRI model: N5H8T48*K*AAA*
ENERGY STAR dataset: ENERGY STAR Certified Heat Pumps
Sample AHRI reference: 215561906
System manufacturer: Carrier Corporation
Outdoor unit brand: ACIQ
Series: 2-STAGE 18 SEER HP
Nominal capacity: 4 ton
Nominal cooling capacity: 48,000 BTU nominal cooling capacity
ENERGY STAR matched-system cooling capacity: 48,500 BTU/h
ENERGY STAR matched-system heating capacity at 47F: 48,500 BTU/h
ENERGY STAR matched-system heating capacity at 17F: 30,600 BTU/h
ENERGY STAR matched-system SEER2: 18.00
ENERGY STAR matched-system EER2: 13.50
ENERGY STAR matched-system HSPF2: 8.10
Compressor staging: Two-stage
Refrigerant: R-454B (GWP:470 | Lower GWP)
ENERGY STAR certified date: 2025-03-19
ACiQ 48K public heat-pump product media: https://aciq.com/residential-products/high-efficiency-heating-and-cooling-solutions/high-efficiency-heat-pump-systems/high-efficiency-heat-pump-extreme-plus-series/aciq-48-pah-aciq-48-hpd/
ENERGY STAR source dataset: https://data.energystar.gov/d/83eb-xbyy

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

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Terry S.

Excellent service from best tech!

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.