Buying guide for最佳水过滤系统
在许多家庭中，瓶装水是每周杂货清单上的主食。许多地区的自来水味道并不好，甚至可能含有使饮用不安全的污染物。但是，喝大量水对于保持健康和水分很重要，因此购买瓶装水通常似乎是唯一的解决方案。
但是，尽管瓶装水是不安全的自来水的方便替代品，但它也可能非常昂贵，尤其是如果您饮用尽可能多的话。
If you’re tired of spending so much on bottled water, a water filtration system may be the answer. Not only does it deliver safe, tasty drinking water whenever you want it, it can save you significant money over time.
Choosing a water filter system can be a little intimidating, though. There are several different types to consider, and some are better at filtering out certain contaminants than others. Some systems are also easier to use and maintain, and offer features that make them more effective, so it’s important to know what to look for to select the right option for your home.
如果您准备购买水过滤系统，请查看我们的最佳建议。有关如何选择过滤系统的一般信息，请继续阅读我们的购物指南。
常见的水污染物
自来水与坏味道或气味通常包含s contaminants like chlorine and other chemicals. If your home receives its water from a well, it may contain bacteria and parasites, such as Cryptosporidium and Giardia, due to contamination from sewage and other waste. Your water’s taste and odor may be affected.
另外，如果您的房屋是在1986年之前建造的，那么它的管道有可能含有铅，可以浸入水中。水的味道和气味通常不会受到影响，因此很难检测到铅污染物。
Visible particles or debris in your tap water are usually the result of rust and sediment that may collect at the bottom of your toilet or dishwasher.All of these conditions are excellent reasons to install a water filtration system!
In our search for the top water filtration systems, we weigh the benefits of whole-house, under-sink ,and faucet-mounted options to make sure you get one that fits your needs.
审查水过滤系统时，我们要查看的第一件事是它们是用于全家使用还是仅用于饮用水。
We give special consideration to water filtration systems that don’t require much significant maintenance.
在寻找顶级水过滤系统时，我们考虑的一件事是耐用，外观良好且易于使用的分配器。
We make certain that all the water filtration systems we review are NSF-certified to work at least as well as claimed.
In our quest for the best water filtration systems, we carefully note how many filtration stages the contenders offer and which contaminants they remove.
When researching the best water filtration systems, we consider common types, like sediment filters, as well as advanced options, like reverse osmosis systems.
我们研究不同房屋和建筑物的各种水源。这些知识有助于我们为每个建筑物推荐最佳的水过滤系统。
We place premium value on the water filtration systems that remove the widest range of contaminants.
Water filtration system benefits
- 借助您家中的水过滤系统，随时可以使用健康的水。您可以用水龙头上的水填充安全，可重复使用的水瓶，以便随身携带。
- A water filter system can improve the taste of your tap by removing contaminants that give it an unpleasant taste and smell, such as chlorine and bacteria.
- Because a water filtration system removes bacteria and parasites from your home’s water, you won’t ingest contaminants that can cause intestinal and digestive issues.
- 如果您的家人目前喝瓶装水，则滤水系统可以通过在家提供安全的饮用水来为您节省大量资金。
- 使用水过滤系统更适合环境，因为您不会在垃圾填埋场中添加更多的塑料瓶。
- 未经过滤的自来水中的化学物质会导致肥皂残留在盘子，餐具，台面和其他表面上。使用过滤系统可减少房屋周围的肥皂渣的量。
- 未经过滤的水可以把化学存款behind on your clothing when you wash them. Filtering the water that feeds your washer can help prevent skin irritations and rashes.
测试水过滤系统
我们在43小时的时间内考虑了101个水过滤系统。在与200多名消费者进行咨询之后，我们选择了前五名的建议。
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水过滤系统的类型
Whole-house filtersare installed at the main water line that enters your home. They can remove rust and sediment, but usually must be paired with another type of filter to get rid of other contaminants.
无链接过滤器are installed beneath the sink, and filter water through a pipe to the system’s own faucet. They can usually remove chemicals, heavy metals, bacteria, and parasites.
Faucet-mounted filters安装在家庭中现有水龙头上，因此不需要管道连接。它们过滤的污染物因模型而变化，但许多污染物可以去除化学物质，重金属，细菌和寄生虫。
Caution
Some old pipes contain lead, which can leach into the water that comes from your faucets, and cause a variety of health issues. Children are particularly at risk.
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水过滤系统特征考虑
Filter type
Activated carbon filters are usually used in under sink systems, and remove impurities and contaminants by catching them in a porous, positively charged, adsorbent filter.
蒸馏水系统将水加热至沸腾并收集凝结的蒸汽，因此只剩下污染物。但是，有些污染物可以转向气体，因此即使过滤后，它们也会留在水中。
A reverse osmosis system reverses the flow of the water, and passes it through a semipermeable membrane that filters out contaminants. It’s usually considered the most effective filtering system, but it can waste water.
请记住，某些过滤系统结合了多种类型的过滤器，例如具有蒸馏和活化碳过滤器的系统。
你可知道？
由于水过滤系统可以从家里的水中去除细菌和寄生虫，因此您不会摄取可能引起肠道和消化问题的污染物。
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Filter change alert
为了保持系统正常工作，重要的是要在磨损时更换过滤器。
Some systems provide filter change alerts, so you don’t have to wonder if you need a new filter. The system will beep or flash a light to let you know when the filter requires changing.
Auto shut-off and flood alert
一些水过滤系统具有检测泄漏的水或洪水检测器功能。如果水在设备周围积聚，系统会自动关闭以避免任何损坏。
专家提示
当您更改过滤系统的过滤器时，请确保仅对系统使用认证的过滤盒，或者所有杂质和污染物都可能不会被去除。
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System scope
Some filtration systems cover the entire house, so all of the water that comes out of faucets in your home, including in the shower or bath, is filtered.
Whole house systems are typically used to remove unpleasant tastes and smells, and usually must be combined with another type of filter to remove other contaminants.
水龙头和水底滤滤器等其他水过滤系统靶向特定的水龙头，因此只能过滤来自该位置的水。如果您主要关注过滤饮用水，这种系统最有效。必威体育娱乐app
NSF certification
为了确保您选择的水过滤系统有效，请确保由独立测试组织NSF International认证。如果系统具有NSF密封，则经过测试，以验证它实际上消除了它应该的污染物，因此您可以相信该产品可以正常工作。
"According to EPA requirements, all U.S. community water systems must report on the quality of their drinking water each year. In these reports, the systems must disclose where the water comes from, what contaminants are present, and what the possible health risks are."
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Ease of maintenance
所有水过滤系统都具有一个或多个需要定期更换的过滤器。但是，有些过滤器更容易更改其他过滤器，这使维护系统更容易。
Look for a system with filters that you simply twist off and on — they’re usually the easiest to replace.
请记住，逆渗透系统还具有膜，必须每两到三年更换一次。
专家提示
While reverse osmosis filtration systems are extremely effective, they can waste some water.
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Water filtration system prices
Water filtration systems vary in price based on the type and what features it offers, but you can typically expect to spend between$90 and $500.
The most common difference in price is based on the number of filtering stages in the system:
对于基本的两个阶段过滤系统，您通常支付90美元至130美元之间。
对于三阶段过滤系统，您通常会支付140美元至170美元之间。
For a four stage filter system you’ll usually pay between $175 and $190.
For a five stage filter system, you’ll usually pay between $190 and $220.
对于六阶段过滤系统，您通常会支付225美元至270美元。
For a seven stage filter system, you’ll usually pay between $275 and $500.
"Whole-house filtration systems are effective in removing mineral deposits, as well as any bad taste or odor. However, they don’t work as well in filtering out other contaminants, so you may need to add another type of filter to provide additional filtration."
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Water filtration system tips and tricks
在选择水过滤系统之前，最好找出房屋中存在哪些污染物。EPA（环境保护局）为全美的城市和市政当局提供年度水质报告，因此您可以检查在水中发现了哪些杂质。
使用反渗透系统，您不希望膜上的水压太多，否则可能会损坏。尝试将水压保持在中等水平，以避免膜中的裂缝。
The filters in your water filtration system wear out over time, so it’s important to change them regularly to keep your water clean. Check the manufacturer's’ instructions to see how often they should be changed or if the system will alert you when it’s time for a new filter.
当您更改过滤系统的过滤器时，请确保仅使用经过认证的过滤器弹药筒，或者可能不会除去所有杂质和污染物。
当您选择可重复使用的水瓶以填充过滤系统中的水时，请确保不是由硬塑料或铝制成。选择无BPA的塑料或不锈钢样式。
为了你的安全
Some state or local health departments offer free water testing kits to residents, but you can also purchase them at home improvement stores.
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FAQ
问：如何确定自来水中有哪些污染物？
A.除了EPA的年度水质报告外，环境工作组还将国家饮用水数据库汇总在一起，使您可以识别自来水中的污染物。您还可以在州的EPA认证实验室对自来水进行测试，以使其更具体。
Q. What’s the difference between point of entry (POE) and point of use (POU) water filter systems?
A.A POE system filters all of the water that enters your home, which means water from every faucet is filtered. A POU system filters water on a particular water source, such as your kitchen faucet. If you want all of your drinking, bathing, and washing water filtered, you’ll need a POE system. If you’re only concerned about your drinking water, a POU system is usually sufficient.
问：水过滤系统的过滤筒需要更换一次？
A.The lifespan of a filter cartridge depends on the system and what contaminants are being filtered out. Always follow the manufacturer’s instructions on filter replacement or pay attention to alerts from the system itself.
