by Trent Barrett

Home water filters are easy - just attach to your faucet and use. A home water purifier system is significantly more complicated, but in the end the improved water quality is worth it. While you’ll need to include professional installation into the cost and give up some of your under-counter space to it, a good home water purifier system will deliver bottled-quality water to your faucet, giving you quality you’re willing to pay for at a fraction of your normal cost. If you use a lot of bottled water and have the space to include it, you should consider installing a home water purifier system.

When considering home water purifiers, you’ll want to learn about their filter systems. Do you need to change filters frequently? This is an issue for some filter types, and it’s important not just because of cost but because of the convenience factor. If you neglect to change your filter frequently enough, the water you drink just before filter changes could be more contaminated than unfiltered water. If you’re the sort who will put off such tasks, you should probably invest in a system that does not require changes.

Which contaminants do you need to remove with a home water purifier? Home water purification systems all remove different contaminants and contaminant types, from biological contaminants to heavy metals. You should be absolutely certain that your chosen filter type removes the contaminants that are a problem for your water. The good news: a reverse osmosis system removes almost every type of contaminant, and though it delivers a relatively small quantity of water daily (about 15 gallons) it’s more than enough for your drinking water requirements.

You have to consider cost when selecting a home water purifier. Cheap systems attach directly to your faucet and use activated carbon, but the filters they use need frequent changing and don’t filter out as much as you might like. On the other end, UV filters can cost as much as a thousand dollars, but they will kill anything living in your water without chlorine or other chemical additives. In general, though, home water purification systems sit right in the $200-300 price range, with installation extra. This can be a real bargain if you drink a lot of bottled water; once installed, a water filtration system needs very little maintenance and you can make your own filtered water at about a nickel a gallon. Compare that with your regular bottled water costs, and decide for yourself whether it’s a net gain.

You’ll find four basic types of home water purification systems. Reverse osmosis systems are best for most needs, and keep purified water in a tank beneath your sink after contaminants have been filtered out with an osmotic membrane; they often include a UV purifier and an activated carbon filter as well. UV systems eliminate biological contaminants, making them perfect if you depend on “country” water instead of a municipal supply. Activated carbon filters are cheaper, but remove a limited number of contaminants and need fairly frequent changes. Finally, a KDF-55 filter acts in your showerhead to remove those contaminants, soften water, and eliminate chlorine. Understanding the differences between these different filter types will enable you to make an intelligent choice about which is right for you.

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