Hamil, Harrison & Co. LLC

Hamil, Harrison & Co., LLC is a locally owned and operated HVAC company proudly serving North Texas since 1955. Based in Ennis, Texas, we are a small-town business built on honesty, integrity, and treating every customer like family. For over 70+ years, we've provided dependable residential and commercial heating, air conditioning, and ventilation services with a commitment to quality workmanship and exceptional customer service. While we've grown over the years, we've never lost our small-town values—taking pride in building lasting relationships, responding quickly, and delivering reliable solutions our customers can trust.