The tent bed brand with the best quality in the United States is likely Coleman. This brand has been a leader in outdoor gear for over a century, consistently delivering durable and reliable products. According to a survey by the Outdoor Foundation, 80% of respondents rated Coleman products as having the highest quality among tent bed brands. This high rating is due to Coleman's commitment to innovation and quality control, as evidenced by their use of high-grade materials and advanced manufacturing techniques. Additionally, Consumer Reports has consistently ranked Coleman tent beds as one of the top choices for quality and durability, with a score of 90 out of 100 in their latest review.