(Effective until February 1, 2021)
Section R407—Certified passive house.
R407.1 General. Projects shall comply with Section R407.2 or R407.3.
R407.2 Passive House Institute U.S. (PHIUS). Projects shall comply with PHIUS+ 2018 Passive Building Standard, including its USDOE Energy Star and Zero Energy Ready Home co-requisites, and performance calculations by PHIUS-approved software. Projects shall also comply with the provisions of Table R405.2.
R407.2.1 PHIUS documentation. Prior to the issuance of a building permit, the following items must be provided to the building official:
1. A list of compliance features.
2. A PHIUS precertification letter.
Prior to the issuance of a certificate of occupancy, the following item must be provided to the building official:
1. A PHIUS+ 2018 (or later) project certificate.
R407.3 Passive House Institute (PHI). Projects shall comply with Low Energy Building Standard, version 9f or later, including performance calculations by PHI-approved software. Projects shall also comply with the provisions of Section R401 through R404.
R407.3.1 PHI documentation. Prior to the issuance of a building permit, the following items must be provided to the building official:
1. A list of compliance features.
2. A statement from a passive house certifier that the modeled energy performance is congruent with the plans and specifications, and that the modeled performance meets said standard.
Prior to the issuance of a certificate of occupancy, the following item must be provided to the building official:
1. A PHI Low Energy Building project certificate.
(Effective February 1, 2021)
Section R407—Certified passive house.
R407.1 General. Projects shall comply with Section R407.2 or R407.3.
R407.2 Passive House Institute U.S. (PHIUS). Projects shall comply with PHIUS+ 2018 Passive Building Standard, including its USDOE Energy Star and Zero Energy Ready Home co-requisites, and performance calculations by PHIUS-approved software. Projects shall also comply with the provisions of Table R405.2.
R407.2.1 PHIUS documentation. Prior to the issuance of a building permit, the following items must be provided to the code official:
1. A list of compliance features.
2. A PHIUS precertification letter.
Prior to the issuance of a certificate of occupancy, the following item must be provided to the code official:
1. A PHIUS+ 2018 (or later) project certificate.
R407.3 Passive House Institute (PHI). Projects shall comply with Low Energy Building Standard, version 9f or later, including performance calculations by PHI-approved software. Projects shall also comply with the provisions of Section R401 through R404.
R407.3.1 PHI documentation. Prior to the issuance of a building permit, the following items must be provided to the code official:
1. A list of compliance features.
2. A statement from a passive house certifier that the modeled energy performance is congruent with the plans and specifications, and that the modeled performance meets said standard.
Prior to the issuance of a certificate of occupancy, the following item must be provided to the code official:
1. A PHI Low Energy Building project certificate.
[Statutory Authority: RCW
19.27A.045 and chapter
19.27A RCW. WSR 20-21-081, § 51-11R-40700, filed 10/19/20, effective 2/1/21. Statutory Authority: RCW
19.27A.020,
19.27A.045,
19.27A.160 and chapter
19.27 RCW. WSR 20-01-047, § 51-11R-40700, filed 12/9/19, effective 7/1/20.]