Houston's Air Duct Masters is a reliable home service provider located in Building 1830, S Parsons Ave Avenue, Seffner City. The company specializes in fixing damaged ducts, improving airflow, comfort, and HVAC efficiency. They offer around-the-clock services, ensuring customers can reach them at any time of the day or night. The description emphasizes their ability to repair crushed, torn, or leaky ductwork quickly. However, their working hours are available 24/7 for every day of the week, which is not clearly mentioned in the description.