Does your target market include local residents? Are you interested in reaching NEW residents? Advertising on the Ad Channel in the Chamber office will help you do just that. We now have two screens that air our channel, one located in the Chamber office and the second in the ServiceOntario office. Special rates for Chamber Members. Only $250 plus HST for 6 months for members of the Trent Hills Chamber of Commerce. Non-members pay $350 plus HST.