CHHA-Calgary is the Calgary branch of the Canadian Hard of Hearing Association (CHHA). The CHHA, formed in 1982, is a non-profit, self-help consumer organization, which is the national voice of Canadians who are hard of hearing. Like its parent organization, CHHA-Calgary is formed by, and for, Calgarians who are hard of hearing, to promote self-help and public awareness of hearing loss. more... See more text