Pass­ive House Train­ers are in­struct­ors for de­sign­er or trades­per­son courses or for the ad­di­tion­al courses. They are part of the course pro­vider team or are course pro­viders them­selves. The train­er cer­ti­fic­ate is awar­ded after con­clu­sion of an agree­ment with PHI. More information here.