Based on the reviews, Smart Air Cooling and Heating is a highly recommended HVAC contractor in Austin, TX. Customers appreciate the prompt and transparent service provided by the company. They mention that the technicians are professional, knowledgeable, and efficient in their work. The company reminds customers of scheduled appointments and ensures thorough inspections and repairs of HVAC systems. Customers also appreciate the fair pricing and the detailed explanations given by the technicians. Smart Air Cooling and Heating is known for its excellent customer service and expertise in HVAC maintenance and repair for both residential and commercial properties. The company serves a wide service area in and around Austin, including Westlake, Rolling Wood, Dripping Springs, and Buda. With their dependable and honest approach, Smart Air Cooling and Heating is the go-to choice for all HVAC needs.