2023 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2022 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2020 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2019 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2018 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2016 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2015 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2014 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2013 Washington Code 19.27A.045 – Maintaining energy code for residential structures

2009 Washington Code 19.27A.045 – Maintaining energy code for residential structures