IN-PERSON Blower Door and Pressure Diagnostics (D636)

IN-PERSON Blower Door and Pressure Diagnostics (D671)

IN-PERSON Blower Door and Pressure Diagnostics (D723)

IN-PERSON Building Analyst Technician (BA-T) (D669)

IN-PERSON Building Analyst Technician (BA-T) (D732)

IN-PERSON Combustion Safety for Weatherization (D672)

IN-PERSON Combustion Safety for Weatherization (D724)

IN-PERSON Building Science Principles (D725)

IN-PERSON Building Science Principles (D667)

(In-person) Bellingham CE Lectures

IN-PERSON Comprehensive Quality Control Inspector (D717)