We set the standards that others can only hope to follow

Zack Hammonds A/C Heating Refrigeration Inc. Company Affiliations

As a leading Atlanta air conditioning and heating contractor, we align ourselves with organizations that you can trust to see our dedication to not only customer service, but technical excellence. When we say “we set the standard that others can only hope to follow,” we mean just that. It is lived out every day in the air conditioning, heating and indoor air quality solutions and services we provide our customers.

Industry Best Service

To receive industry best service from a trusted Atlanta HVAC contractor, call us today.

Better Business Bureau

BBB is the authority on trust in the marketplace. BBB sets and upholds high standards for ethical marketplace behavior. BBB accreditation is a coveted honor earned by elite businesses and charities. View Our BBB Rating


Georgia Power is an investor-owned, tax-paying utility that serves 2.25 million customers in all but four of Georgia’s 159 counties. The largest of four electric utilities that make up Southern Company, Georgia Power has been providing electricity to Georgia for more than a century at rates well below the national average.


NATE Certification tests represent real working knowledge of HVAC and HVACR systems, and candidates can earn installation, service or senior certification in one or more specialty areas. NATE exams are designed to allow you to be certified in specific system areas.


The Conyers-Rockdale Chamber of Commerce strives to provide leadership and be the catalyst for promoting and maintaining a pro business environment, and to continue enhancing the quality of life for the community. The chamber partners with companies to provide numerous opportunities to network and promote their business.

Energy Star

ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy helping us all save money and protect the environment through energy efficient products and practices.



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