H.D. Grant Co., Inc. currently employs a staff of over 15 salespeople in Houston covering Southeast Texas. We keep our warehouse in Houston stocked with exhaust fans, fire dampers, radiation dampers, single duct VAV boxes, fan powered VAV boxes with electric heat, vibration isolation, and many other products for the HVAC industry. Our mission is to be the industry leader in customer satisfaction by providing quality products and services which are cost effective, innovative, and reliable.