Certificate of Product Ratings
Issued by AHRI Certified (Air-Conditioning, Heating, and Refrigeration Institute)
Product Identification
Brand: Pioneer
Series Name: Diamante Ultra
Outdoor Unit Model Number: YN018GLSI24RPG
AHRI Type: HRCU-A-CB (Mini-Split System: Heat Pump with Outdoor Unit-Air-Source, Ducted)
Indoor Type: Ducted Indoor Units
Sold in: USA, Canada
Performance Ratings
Rated in accordance with the latest edition of AHRI 210/240 – 2024, Performance Rating of Unitary Air-Conditioning & Air-Source Heat Pump Equipment, subject to rating accuracy by AHRI-sponsored, independent, third-party testing.
- Cooling Capacity (AFull) - Single or High Stage (95F): 17000 btuh
- SEER2: 21.00
- EER2 (A Full) - Single or High Stage (95F): 11.70
- Heating Capacity (H1Full) - Single or High Stage (47F): 18000 btuh
- HSPF2 (Region IV): 8.10
Certification & Reference Details
AHRI Certified Reference Number: 217048764
Date Issued: 07-29-2025
Model Status: Active
Certificate Number: 133982792974382104
Verification: Information for the model cited on this certificate can be verified at www.ahridirectory.org. Click on "Verify Certificate" link and enter the AHRI Certified Reference Number and the date on which the certificate was issued.
Important Information & Disclaimers
Potential Eligibility for IRA Tax Credit*
The product may be eligible for the U.S. federal tax credit based on the displayed AHRI Certified ratings meeting the Consortium for Energy Efficiency (CEE) highest efficiency tier. This information is for general informational purposes only and is not intended to constitute tax or legal advice. Individuals considering eligibility should confirm with their equipment installers, tax attorneys, or preparers.
Model Status Definitions: "Active" Model Status indicates the participant is currently producing AND selling or offering for sale; OR new models being marketed but not yet produced. "Production Stopped" Model Status indicates the participant is no longer producing BUT is still selling or offering for sale.
Energy Efficiency Metrics: The Department of Energy has published updated energy efficiency metrics for central air conditioners and heat pumps (SEER2). This publication reflects both the 1987 metric (SEER) and the 2023 metric (SEER2). Efficiency requirements are published at 10 C.F.R. 430.32(c). Please refer to www.AHRInet.org for more information about updated energy efficiency metrics.
AHRI's Disclaimer: AHRI makes no representation or warranty express or implied or assumes any legal liability or responsibility for the accuracy, completeness, or any third party's use of, or the results of the use of, the Potential Eligibility for Tax Credit disclosed on the AHRI Directory of Certified Product Performance or the AHRI Certificate of Product Performance. Certified ratings are valid only for models and configurations listed in the directory at www.ahridirectory.org.
Terms and Conditions: This Certificate and its contents are proprietary products of AHRI. This Certificate shall only be used for individual, personal, and confidential reference purposes. The contents may not, in whole or in part, be reproduced; copied; disseminated; entered into a computer database; or otherwise utilized, in any form or manner or by any means, except for the user's individual, personal, and confidential reference.
