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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


Welcome to our new and improved website. Here, you'll find a clean and updated look, improved navigation, and expanded functionality. On our site, you can:

• Renew your membership online
• Update and maintain your profile
• Register for meetings and events

Click here for helpful tips on navigating our new website.

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