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Current Energy Code Status

Residential Commercial
Current State Code 2021 IECC 2021 IECC and ASHRAE 90.1-2019
State Amendments Yes Yes
Equivalent Code* 2018 IECC 90.1-2019
Amendments Efficiency Impact
(Compared to Model Adopted Code)
-7.50% 9.60%
Effective Date
Enforcement Mandatory Statewide Mandatory Statewide
Can use COMcheck / Rescheck Yes Yes

*Equivalent Code is based on a quantitative analysis of the state code with amendments as displayed in the Residential and Commercial Status of State Energy Code Maps.

State Certifications

Federal law directs states to review and update their building energy codes regarding energy efficiency and submit related certifications. The following is the most recent certification submitted by the state.

States are required by statute to submit certifications within 2 years of the publication of an affirmative determination of a new model energy code. Learn more about the statutory requirements.

Most Recent Submitted Certification

Model Energy Code Impacts

Key metrics related to incremental construction costs and consumer energy cost savings.

Energy and Economic Impacts

Model Energy CodeMeasureEnergy Cost Savings
Residential Statewide Impact 
Potential (2024 IECC)
Incremental First Cost of 2024 IECC ($/home)$ 5,246
Annual Energy Cost Savings ($/home)$ 343
Annual Energy Savings (kBtu/home)13,222 
30 year Life Cycle Cost (LCC) Savings ($/home) $ 2,210
Simple Payback Period (years)15.3
Housing Starts (15 year average)**16,545 
Statewide Total Incremental Cost Impact ($)$ 86,795,070
Statewide First Year Energy Cost Savings  ($)$ 5,674,935

** Based on 2020 U.S Census, American Housing Survey 15 year average housing starts

Contacts

Primary Contact for State Adoption
Joseph Marchioni
Position Title
UCC Administrator, Bureau of Occupational & Industrial Safety
Organization
Department of Labor and Industry
Address

651 Boas Street
Harrisburg, PA 17121
United States

Telephone
Email Address
Secondary Contact for State Adoption
Matt Kegg
Position Title
Director, Bureau of Occupational & Industrial Safety
Organization
Department of Labor and Industry
Email Address