About Us AJ Warren Service Company has been in business in Houston since January 15, 1973. Over the years we have established a reputation for quality and value unsurpassed in the air conditioning industry. We maintain a continuing quality improvement process in our company. We are completely and absolutely dedicated to your satisfaction. AJ Warren has won the first place national Award for Excellence in Residential Contracting from the Air Conditioning Contractors of America. We are equally as dedicated to quality and customer satisfaction with our commercial customers. We have a customer satisfaction survey we leave with all of our customers. Our current satisfaction rating is at 98.29% A. J. Warren Service Company is your best source for total indoor comfort and air quality solutions. We can solve the problems other companies cannot. We are specialists in humidity control and super high efficiency filtration systems. We provide state of the art system designs. Our company offers whole house efficiency and safety inspections. We can let you see with your own eyes where your house is costing you energy dollars. We have all the best equipment and the expertise to help you with any comfort or indoor air quality problem. A. J. Warren ( A.J. Warren III ) has represented our company as President and Chairman of the Board of the Air Conditioning Contractors Association of Greater Houston. Our state license numbers are TACLA4205C and TACLA023071C. We maintain quality liability insurance coverage. All of our employees are fully covered by worker's compensation insurance. We are members of the BBB, and received their 2007, 2008 and 2009 "Award of Distinction". We use no sub-contractors. A. J. Warren Service Company is a professionally managed HVAC company that can provide the type of service and dependability you need and desire. Bunker Hill, Hedwig Village, Hilshire Village, Downtown, Hunters Creek, Jersey Village, Piney Point, Spring Valley, Heights, Garden Oaks, Oak Forest, Mangum Manor, Shepherd Park Plaza, Candlelight, Prestonwood Forest, Old Oaks, Champions, Copperfield, Hearthstone, Concord Bridge, Winchester Country, Steeplechase, Willowood, Woodwind Lake Estates, Rolling Fork, Memorial, 77401, 77429, 77433, 77001-77099, 77449, 77450, 77493, 77494, 77459, 77489, 77581, 77584, 77373, 77379, 77382, 77386, 77388, 77390, 77477, 77478, 77479, 77375