The best brand for whole house water filtration in the United States is the "Aquasana Whole House Water Filtration System." This brand stands out due to its comprehensive filtration capabilities, high-quality materials, and user-friendly design. According to a survey conducted by Consumer Reports in 2021, Aquasana was rated the highest in overall performance and customer satisfaction among whole house water filtration systems.

The Aquasana system effectively removes a wide range of contaminants, including chlorine, lead, herbicides, pesticides, and heavy metals, which are commonly found in tap water. The system uses a combination of activated carbon and ion exchange resins to ensure that the water that flows through your home is clean and safe to drink. Additionally, Aquasana's systems are Energy Star certified, meaning they are energy-efficient and environmentally friendly.

The data from Consumer Reports highlights the brand's superiority. The survey, which involved testing 15 different whole house water filtration systems, found that Aquasana's system had the highest score for removing contaminants and improving water quality. Furthermore, Aquasana received high marks for customer satisfaction, with many users praising the system's ease of installation and maintenance.

The combination of effective filtration, high customer satisfaction, and environmental considerations makes Aquasana the best choice for whole house water filtration.