Weatherization

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  • Bellingham – Blower Door and Pressure Diagnostics

    Building Performance Center 3406 Redwood Ave., Bellingham, WA

    Course Description: This Blower Door and Pressure Diagnostics* course is a 1-day (6 hour) training designed to provide new and current Building Analysts with the information needed to complete building envelope diagnostics in accordance with the Building Performance Institute (BPI) Building Analyst Technical Standards and the Washington State Department of Commerce Weatherization Specifications. Instruction will […]

    $350

  • Webinar – Building Science Principles

    Course Description: This Building Science Principles course is a 1-day training designed to introduce weatherization and building science principles. Students will participate in online instruction referencing the Building Performance Institute’s Building Science Principles Reference Guide. It is recommended that a Building Science Principles guide be purchased for each student or for each agency/company. The structure of the […]

    $280

  • Bellingham – Building Science Principles

    Building Performance Center 3406 Redwood Ave., Bellingham, WA

    This Building Science Principles (formerly Introduction to Weatherization and Building Science) course is a 1-day training designed to introduce weatherization and building science principles. Students will participate in classroom instruction referencing the Building Performance Institute’s Building Science Principles Reference Guide. Resources: BPI Building Science Principles Guide – ($$ – provided at no cost to WA State Wx Agency staff during training) […]

    $350

  • Bellingham – Blower Door and Pressure Diagnostics

    Building Performance Center 3406 Redwood Ave., Bellingham, WA

    Course Description: This Blower Door and Pressure Diagnostics* course is a 1-day (6 hour) training designed to provide new and current Building Analysts with the information needed to complete building envelope diagnostics in accordance with the Building Performance Institute (BPI) Building Analyst Technical Standards and the Washington State Department of Commerce Weatherization Specifications. Instruction will […]

    $350

  • Bozeman, MT – Retrofit Installer Technician: Mechanical Systems

    Retrofit Installer Technician: Mechanical Systems Course Description This course covers residential weatherization practices for installers, with emphasis on assessment, troubleshooting, and improvement of mechanical systems such as furnaces, boilers, domestic hot water systems, and ventilation systems. Skills taught include combustion analysis, assessment of ventilation systems, and pressure diagnostics at the shell and ductwork. The companion […]

    $725

  • Bellingham – Blower Door and Pressure Diagnostics

    Building Performance Center 3406 Redwood Ave., Bellingham, WA

    Course Description: This Blower Door and Pressure Diagnostics* course is a 1-day (6 hour) training designed to provide new and current Building Analysts with the information needed to complete building envelope diagnostics in accordance with the Building Performance Institute (BPI) Building Analyst Technical Standards and the Washington State Department of Commerce Weatherization Specifications. Instruction will […]

    $350

  • Webinar – Building Science Principles

    Building Performance Center 3406 Redwood Ave., Bellingham, WA

    CEUs: 6.5 IMPORTANT: This course is NOT the prerequisite to taking BPI’s Building Analyst Technician (BA-T) Field Exam. If interested in the prerequisite (BPI Building Science Principles (BSP) exam and resulting Certificate of Knowledge), please visit BPI.org/building-science-principles Course Description: This Building Science Principles course is a 1-day training designed to introduce weatherization and building science principles. Students will participate in classroom instruction […]

    $280

  • Webinar – Building Science Principles

    Building Performance Center 3406 Redwood Ave., Bellingham, WA

    ONLINE Building Science Principles (D956)   CEUs: 6.5 IMPORTANT: This course is NOT the prerequisite to taking BPI’s Building Analyst Technician (BA-T) Field Exam. If interested in the prerequisite (BPI Building Science Principles (BSP) exam and resulting Certificate of Knowledge), please visit BPI.org/building-science-principles Course Description: This Building Science Principles course is a 1-day training designed to introduce weatherization and building science principles. […]

    $280

  • Bozeman, MT – Retrofit Installer Technician: Mechanical Systems

    Retrofit Installer Technician: Mechanical Systems November 17 – 20, 2025 751 Osterman Dr, Bozeman, MT 59715, USA notes Course Description RIT Mechanical Systems provides a brief review of weatherization measures, standards, and residential building performance practices. The remainder of the course focuses on immersing students into practice scenarios. Tools and techniques of weatherization, including blower […]

    $725

  • Bellingham – Building Science Principles

    Building Performance Center 3406 Redwood Ave., Bellingham, WA

    This Building Science Principles (formerly Introduction to Weatherization and Building Science) course is a 1-day training designed to introduce weatherization and building science principles. Students will participate in classroom instruction referencing the Building Performance Institute’s Building Science Principles Reference Guide. Resources: BPI Building Science Principles Guide – ($$ – provided at no cost to WA State Wx Agency staff during training) […]

    $350