Under-sink water filters are one of the most widely installed water filter systems that you can find in domestic settings. Most users love them for their easy installation and maintenance, but before you jump on the bandwagon of buying an under-sink water filter, it’s best to analyse the pros and cons of these type of water filter systems to see if they are the best choice for your home.

Advantages and disadvantages of under-sink water filters

Advantages of under-sink water filters

Space-saving solution: Under-counter water filters are your best option if you don’t have enough space to accommodate a large water filter system. Given that they are installed under your kitchen sink, they don’t take up useful space in your kitchen and they stay out of sight.

Easy installation: Installing an under-sink water filter does require some minimal plumbing skills, but thankfully there are DIY installation water filters like the DIY 4 Stage Ultracarb Home Drinking Water Filter System, which come with clear and easy to follow installation guides for a quick and simple installation.

Cost-efficiency: Under-counter filters are one of the most affordable filters on the market both in terms of initial purchase costs and maintenance costs.

Variety: The abundance and variety of these types of filters allows users to choose the filter that can help them filter out all contaminants that may pose a danger to their health or that may make tap water unpalatable. Under-sink water filters range from the very simple to advanced models that have superior filtration capabilities, removing even contaminants that simple filters may not be able to (e.g. fluoride, heavy metals, etc.).

Easy maintenance:  Another advantage of under-sink water filters is the fact that they don’t need complex maintenance work to keep them performing properly. Apart from the regular filter replacement, you don’t need to do anything else.

Disadvantages of under-sink water filters

Filtered water only at point of use: Unlike whole house water filters, under-counter filters only filter water at the water outlet they are installed at. This means that if you want filtered water in your shower, for example, you’ll have to install a separate filter there too. This may not be the most cost-effective solution.

Need for a water filter tap: Except for inline water filters, which can be used with your existing tap, all other under-sink filters require the installation of either a standard filter tap or a 3-way tap. Either way, you cannot use them with your existing kitchen tap.

Should you buy an under-sink water filter? If you live is a small household and you don’t need filtered water for bathing or washing clothes, an under-sink water filter is indeed a good option for you.


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