Central AC and Air-Source Heat Pump Specification Version 6
The ENERGY STAR specification for Central Air Conditioners and Air-Source Heat Pumps is currently under revision. Materials related to this revision process are provided below. Partners and other interested parties with questions or concerns regarding these materials or the revision process can contact Abigail Daken, EPA, at Daken.Abigail@epa.gov. This webpage will be updated periodically as new information is received.
ENERGY STAR Heat Pump Version 6.2 Draft Specification - October 31, 2024
ENERGY STAR Most Efficient 2025 and Version 6.2 Heat Pump Draft Specification Cover Memo (PDF, 195.67 KB)
ENERGY STAR Version 6.2 Heat Pump Draft Specification (PDF, 510.1 KB)ENERGY STAR Central Air Conditioner and Heat Pump Version 6.1 Final Specification (January – 2022) – January 27, 2022
ENERGY STAR Version 6.1 Central Air Conditioner and Heat Pump Final Specification (Rev. January 2022) (PDF, 486.75 KB)
ENERGY STAR Central Air Conditioner and Heat Pump Version 6.1 Final Specification – January 5, 2022
ENERGY STAR Central Air Conditioner and Heat Pump Version 6.1 Final Specification
(PDF, 531.76 KB)
ENERGY STAR Central Air Conditioner and Heat Pump Version 6.1 Cover Letter
(PDF, 180.53 KB)
ENERGY STAR Central Air Conditioner and Heat Pump Version 6.1 Draft Specification Stakeholder Comment Matrix
(PDF, 120.23 KB)
ENERGY STAR Central Air Conditioner and Heat Pump Version 6.1 Draft Specification Stakeholder Comments– November 23, 2021
CA IOUs Comments
(PDF, 190.37 KB)
Carrier Comments
(PDF, 157.51 KB)
Lennox Comments
(PDF, 234.91 KB)
NEEA Comments
(PDF, 124.48 KB)
NEEP, NYSERDA Comments
(PDF, 596.77 KB)
Rheem Comments
(PDF, 198.56 KB)
ENERGY STAR Central Air Conditioner and Heat Pump Version 6.1 Draft Specification – Monday, November 1, 2021
ENERGY STAR CAC-HP Version 6.1 Draft Cover Memo
(PDF, 41.75 KB)
ENERGY STAR CAC-HP Version 6.1 Draft Specification
(PDF, 439.33 KB)
ENERGY STAR Central Air Conditioner and Heat Pump Version 6.0 Final Specification and CVP – Tuesday, March 30, 2021
ENERGY STAR Version 6.0 Central Air Conditioner and Heat Pump Final Specification and Partner Commitments
(PDF, 486.36 KB)
ENERGY STAR Version 6.0 Central Air Conditioner and Heat Pump Final Cover memo
(PDF, 182.05 KB)
ENERGY STAR Version 6.0 CAC-HP Final Draft and Draft CVP Comment Matrix
(PDF, 137.41 KB)
ENERGY STAR Cold Climate Heat Pump Controls Verification Procedure
(PDF, 124.68 KB)
ENERGY STAR Version 6.0 Central Air Conditioner and Heat Pump Final Data Package
(XLSX, 58.99 KB)
Stakeholder Comments on the Version 6.0 Limited Topic Proposal on Installation – February 23, 2021
ACCA Comments
(PDF, 116.73 KB)
AHRI Comments
(PDF, 91.96 KB)
CA IOUs Comments
(PDF, 126.93 KB)
Carrier Comments
(PDF, 320.77 KB)
Lennox Comments
(PDF, 149.09 KB)
NEEA Comments
(PDF, 91.58 KB)
Rheem Comments
(PDF, 153.8 KB)
ENERGY STAR Central Air Conditioner and Heat Pump Version 6.0 Limited Topic Proposal on Installation – January 26, 2021
ENERGY STAR CAC-HP Version 6.0 Limited Topic Proposal on Installation Criteria
(PDF, 52.39 KB)
Stakeholder Comments on the Final Draft Version 6.0 Specification and Final Draft CVP – November 19, 2020
Trane Technologies Comments CAC-ASHP Draft 2 V6.0_11_19_2020
(PDF, 95.44 KB)
AHRI_HRAI Comments CAC-ASHP Draft 2 V6.0_11_19_2020
(PDF, 153.18 KB)
CA IOUs Comments CAC-ASHP Draft 2 V6.0_11_20_2020
(PDF, 223.01 KB)
Carrier Comments CAC-ASHP Draft 2 V6.0_11_19_2020
(PDF, 151.93 KB)
ecobee Comments ENERGY STAR CAC-ASHP Draft 2 V6.0_11_19_2020
(PDF, 122.98 KB)
Lennox Comments ENERGY STAR CAC-ASHP Draft 2 V6.0_11_19_2020
(PDF, 152.17 KB)
MEUS Comments ENERGY STAR CAC-ASHP Draft 2 V6.0_11_19_2020
(PDF, 705.53 KB)
Rheem Comments ENERGY STAR CAC-ASHP Draft 2 V6.0_11_19_2020
(PDF, 464.76 KB)
ENERGY STAR Central Air Conditioner and Air-Source Heat Pump Final Draft Version 6.0 Specification and Final Draft CVP – October 22, 2020
Final Draft Version 6.0 ENERGY STAR CAC-HP Cover Memo
(PDF, 58.86 KB)
Final Draft Version 6.0 ENERGY STAR CAC-HP Specification
(PDF, 430.45 KB)
Draft 2 Version 6.0 and Draft CVP ENERGY STAR CAC-HP Comment Matrix
(PDF, 152.2 KB)
Final Draft ENERGY STAR Cold Climate Heat Pump Controls Verification Procedure
(PDF, 148.22 KB)
Final Draft Version 6.0 ENERGY STAR CAC-HP Data Package
(XLSX, 41.2 KB)
DRAFT Cold Climate Heat Pump CVP Webinar - April 13, 2020
DRAFT Cold Climate Heat Pump CVP Webinar Slides
(PDF, 332.47 KB)
Comment Deadline Extended: ENERGY STAR Cold Climate Heat Pump CVP - April 9, 2020
Comment Deadline Extended: ENERGY STAR Cold Climate Heat Pump CVP
(PDF, 32.92 KB)
Draft ENERGY STAR Cold Climate Heat Pump Controls Verification Procedure (CVP) - April 1, 2020
Draft ENERGY STAR Cold Climate Heat Pump Controls Verification Procedure (CVP) Cover Memo
(PDF, 193.25 KB)
Draft ENERGY STAR Cold Climate Heat Pump Controls Verification Procedure
(PDF, 142.95 KB)
Stakeholder Comments on the Draft 2 Version 6.0 Specification – February 28, 2020
AHRI HRAI Comments
(PDF, 288 KB)
BHEC Comments
(PDF, 328.63 KB)
CA IOU Comments
(PDF, 547.05 KB)
Carrier Comments
(PDF, 681.55 KB)
NEEP Comments
(PDF, 732.34 KB)
Goodman Comments
(PDF, 522.22 KB)
Ingersoll Rand Comments
(PDF, 93.84 KB)
Lennox Comments
(PDF, 425.34 KB)
LG Electronics Comments
(PDF, 236.77 KB)
NRDC Comments
(PDF, 99.02 KB)
Rheem Comments
(PDF, 169.62 KB)
Samsung Comments
(PDF, 132.71 KB)
ENERGY STAR Central Air Conditioner and Air-Source Heat Pump Version 6.0 Draft 2 Webinar - February 11, 2020
ENERGY STAR Central Air Conditioner and Air-Source Heat Pump Version 6.0 Draft 2 Webinar Slides
(PDF, 389.97 KB)
ENERGY STAR Central Air Conditioner and Air-Source Heat Pump Version 6.0 Draft 2 Specification
Draft 2 Version 6.0 ENERGY STAR CAC-HP Cover Memo
(PDF, 122.93 KB)
Draft 2 Version 6.0 ENERGY STAR CAC-HP Specification
(PDF, 407.17 KB)
Draft 1 Version 6.0 CAC-HP Comment Response Matrix
(PDF, 52.62 KB)
Draft 2 Version 6.0 ENERGY STAR CAC-HP Data Package
(XLSX, 49.15 KB)
Central Air Conditioner and Air-Source Heat Pump ESPPM Stakeholder Meeting – September 12, 2019
The recording of the presentation can be accessed here.
CAC-ASHP V6.0 ESPPM Stakeholder Meeting Presentation (PDF, 463.9 KB)
Central Air Conditioner and Air-Source Heat Pump Limited Topic Proposal Webinar – August 19, 2019
CAC-ASHP Connected Criteria LTP Webinar
(PDF, 2.96 MB)
Central Air Conditioner and Air-Source Heat Pump Limited Topic Proposal on Connected Criteria – July 29, 2019
CAC-ASHP Limited Topic Proposal
(PDF, 342.14 KB)
Stakeholder Comments on the Draft 1 Version 6.0 Specification – May 23, 2018
AHRI HRAI Comments
(PDF, 530.81 KB)
Carrier Comments
(PDF, 518.92 KB)
CEE Comments
(PDF, 1.51 MB)
Ingersoll Rand Comments
(PDF, 384.3 KB)
JCI Comments
(PDF, 168.6 KB)
Lennox Comments
(PDF, 278.13 KB)
LG Electronics
(PDF, 125.72 KB)
NEEA Comments
(PDF, 125.88 KB)
NEEP Comments
(PDF, 237.01 KB)
NRDC Comments
(PDF, 146.65 KB)
Rheem Comments
(PDF, 523.45 KB)
Sunrise Tradex Corp. Comments
(PDF, 181.59 KB)
Draft 1 Version 6.0 Central Air Conditioner and Air-Source Heat Pump Webinar – May 10, 2019
Draft 1 Version 6.0 ENERGY STAR CAC-ASHP Webinar Slides
(PDF, 887.66 KB)
Webinar Date Change – Central Air Conditioner and Air-Source Heat Pump Memo
Draft 1 Version 6.0 ENERGY STAR CAC-ASHP Webinar Date Change Memo
(PDF, 45.57 KB)
ENERGY STAR Central Air Conditioner and Air-Source Heat Pump Version 6.0 Draft 1 Specification
Draft 1 Version 6.0 ENERGY STAR CAC-ASHP Cover Memo
(PDF, 67.92 KB)
Draft 1 Version 6.0 ENERGY STAR CAC-ASHP Specification
(PDF, 335.63 KB)
Stakeholder Comments on the Version 6.0 Discussion Guide - September 21, 2018
AHRI Comments
(PDF, 559.93 KB)
Carrier Comments
(PDF, 175.29 KB)
EPRI Comments
(PDF, 587.21 KB)
Lennox Comments
(PDF, 133.02 KB)
LG Comments
(PDF, 133.79 KB)
NEEP Comments
(PDF, 221.22 KB)
NRDC Comments
(PDF, 179.36 KB)
ENERGY STAR Residential Air Source Heat Pump and Central Air Conditioner Equipment Version 6.0 Discussion Guide - August 3, 2018
Comment period extended to September 21, 2018.
ENERGY STAR Residential Air Source Heat Pump and Central Air Conditioner Equipment Version 6.0 Discussion Guide (PDF, 105.01 KB)