Lone Star Air Systems provides preventative maintenance and repair services. Technicians are prompt, efficient, and offer advice on system care. Customers have noted that the staff, including the friendly and professional ladies who answer the phone, explain services thoroughly and answer questions. Technicians protect customers' homes by wearing shoe covers and even vacuuming up after their work. Customers report satisfaction with the company’s performance, mentioning that they received excellent service and quick diagnosis of their issues. If any problems arise, the team responds promptly, often on the same day. Overall, customers plan to call Lone Star Air Systems again for their future needs, highlighting the clear proposals and excellent customer service.