News:
PA Amended 2021 IECC adoption highlights
The enforcement date of 1/1/26 now applies to new permits.
If a design contract was in place prior to this January 1st 2026, projects will have until June 30th, 2026 to apply under the PA Amended 2018 IECC
Pennsylvania Amended 2021 IECC Compliance Equivalent
The Pennsylvania 2021 International Energy Conservation Code (IECC), as amended by the Department of Labor and Industry’s Review and Advisory Council has approved the Energy Rating Index (ERI) compliance option as unmodified from the 2018 IECC adoption. For this reason, ERI reports generated under the 2018 IECC may be accepted as a method of demonstrating compliance while software tools (Ekotrope, REM/Rate or similar) are updated to reflect the amended 2021 PA IECC.
In addition to meeting 2018 IECC ERI compliance, homes shall also conform to the mandatory requirements in Table R406.2 (N1106.2) as detailed in the 2021 ICC Code Adoption Final Report.
The PHRC 2025 PA Alternative now available!
The Pennsylvania Alternative Residential Energy Provisions were developed with the intent of being: simpler to build and easier to enforce.
This compliance path provides builders with practical alternatives for meeting energy code.
News: 45L tax credit may be cut by federal government. For more info visit www.congress.gov.
The Tax Credit has been modified from 10 years (January 1, 2023 until December 31, 2033), to now ending on June 30, 2026.
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$2,500 for ENERGY STAR Certified Homes (ENEGY STAR New Homes)
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$5,000 for DOE Zero Energy Ready Homes (DOE ZERH Website)
The ZERH Program is being rebranded as the Efficient New Homes Program.
Blower Door Infiltration Testing
Harmony Home Energy, as determined by the code official, may act as the approved third party to conduct infiltration testing and will provide a signed written report of the results of the test for the code official.
Compliance service provided to meet section R402.4.1.2 for infiltration testing mandatory in the 2018/2021 IECC.
The building or dwelling unit shall be tested and verified as having an air leakage rate not exceeding five air changes per hour in Climate Zones 1 and 2, and three air changes per hour in Climate Zones 3 through 8.
HERS Rating Service
Builders can determine if their homes comply with the 2018/2021 IECC using the Energy Rating Index (ERI) compliance path.
Section R406.2 provides options in energy code compliance, and include the benefit of a complete HERS Ratings. HERS Ratings ensure quality, comfort and value for home builders and buyers.
Learn more about the nationally recognized HERS Index Score here.
Duct Leakage Testing
Harmony Home Energy, as determined by the code official, may act as the approved third party to conduct duct leakage testing and will provide a signed written report of the results of the test for the code official.
Compliance service provided to meet section R403.3.4 for duct leakage testing mandatory in the 2018/2021 IECC. Total leakage shall be measured with a pressure differential of 0.1 inch w.g. (25 Pa) across
the system, including the manufacturer’s air handler
enclosure if installed at the time of the test.
Total Leakage can be tested at rough-in or postconstruction. Generally, leakage must be less than or equal to 4% of the conditioned floor area of the home. Systems tested at rough-in with no air-handler installed must achieve leakage less than or equal to 3% of the condition floor area.
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Harmony Home Energy provides service in Armstrong, Butler, Clarion, Crawford, Erie, Lawrence and Mercer counties.