Contact Us   |   Sign In   |   Register

Who We Are

The Heating & Air Conditioning Contractors of Maryland (HACC) is a trade association for independent heating, ventilation, air conditioning and refrigeration (HVACR) contractors in the Baltimore metropolitan area. The organization actively promotes and protects the interests and welfare of the industry, its members and the consumers it serves.

Membership in HACC provides the right tools to build your business. Together with the Chapter's national affiliate, we provide a wide variety of activities, training and networking that adds to your business knowledge, resources and growth

Community Search


HACC has created a central place to help our members find important resources for helping your business during Coronavirus (COVID-19).
Click here to access helpful resources.

Our office is still open and we can be reached by phone at 410-431-8889 and by email at

more Calendar

Journeyman Review Prep Class

Sign In
Login with LinkedIn

Association Management Software Powered by YourMembership  ::  Legal