Whole-house water filtration systems can be roughly divided into the following categories: 1. Sediment Filters: 2. Activated Carbon Filters: 3. Ion Exchange Systems: 4. Reverse Osmosis Systems: 5. UV Purification Systems: 6. Whole-House Comprehensive Filtration Systems:

​Cost to Install a Whole House Water Filter: The average price to install a whole-house water filtration system in the United States is approximately $2,550, with prices ranging from $1,200 to $5,500. This price fluctuation is mainly affected by the complexity of the system, the type of filter, the brand and the region. You can choose systems at different price points based on your family's budget and needs.