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Determining the best water purification system for your needs comes down to knowing what contaminants are in the water. If the issue is chlorine and excess minerals, a simple water softener might be all you need. If you’re concerned about heavy metals, activated carbon filters are a good option. If bacteria or viruses contaminate your water, we suggest a UV light filter. For a good, all-around system, consider a reverse osmosis filter.

Maintaining your whole-house water filtration system will cost between $50 and $300 per year. This includes the cost of replacing filters, getting the system inspected, and water system repair costs.

Generally, a whole-house water filter should last about 12 months before it needs to be replaced. Certain kinds of systems may need to have their filters swapped out more or less often. If you notice new tastes or odors in your water, it might be time to switch the filters.

Most water filtration systems can be installed in just a single day, though installing a whole-house, multistage filter system could take longer. Individual or point-of-use filters can usually be installed in a matter of hours.