Published on : October 8, 2025
Having a water purifier at your home is non-negotiable in today’s time to ensure that you and your family enjoy an endless supply of healthy drinking water. However, the real question is which type of water purifier to install at your place. Should you go for the traditional countertop models or the new-age under counter water purifiers? Navigating and deciding between these two options can seem overwhelming and hence we are here for your rescue.
Let’s explore both of these types of water purifiers in depth so that you can make an informed purchase that you won’t regret.
These water purifiers are installed under the sink and they save you a lot of countertop space. As effective as a conventional water purifier in removing impurities out of water, they also offer the additional benefit of keeping your kitchen clutter-free and minimalistic.
1. Saves Space
Since under counter water purifiers are installed below your sink, they are out of sight and off your countertop. This makes them an ideal choice for modular and compact kitchens.
2. Faster Water Flow
Under sink water purifiers are directly connected to your kitchen sink’s water line and they use hydrostatic tanks; they have an impressive water pressure and flow. With a flow rate of 15L/hour, You can fill a glass of water in a second with these units.
3. Variety of Filtration
Under-sink water purifiers are as effective as conventional water purifiers in removing impurities. With over six purification stages, they give you clean, safe and healthy drinking water all day long.
1. Higher Upfront Cost
Under sink water purifiers offer a powerful filtration system; however, it comes with a price. You might notice that these units have a higher upfront cost in comparison to many traditional countertop water purifiers.
However, note that if you purchase your under sink water purifier from a reliable brand like AO Smith, it will last you for years to come and prove to be cost-effective in the long run.
2. Prerequisites for Installation
Under-the-sink water purifiers require a few prerequisites for installation, a water connection and a power supply point under the sink being the most important ones.
Countertop Water Purifier
These are the conventional water purifiers that have stood the test of time. They provide you with healthy drinking water with minimum fuss. They are easy to install, come in different tank sizes and you can DIY your way through installing them at your place.
1. Easy Installation
These water purifiers are easy to install, making them an ideal choice for people who are looking for a hassle-free water purifier installation.
2. Portable
Since they don’t require any plumbing modification, they are easily transportable. This makes them a perfect pick for renters and frequent movers.
3. Low Price Point
Compared to under sink water purifiers, these units have a lower upfront cost. This makes them an accessible option for people who are on a tight budget and yet don’t want to compromise on their household’s drinking water quality.
1. Slower Filtration
Compared to under sink water purifiers, these units have a slower filtration rate and you will have to wait for a few extra seconds to fill your bottle.
2. Counter Space
If you are someone who prefers clutter-free counter space, then this might not be an ideal pick for you as it takes up a lot of your countertop space.
3. Impacts Your Kitchen’s Aesthetic
Since they inevitably occupy your counter space and are not hidden, they may hinder your dream kitchen aesthetics.
Ultimately, the best type of water purifier depends on your individual water needs and preferences. If you want a clutter-free kitchen and don’t mind investing a little extra on your water purifier, we recommend you buy an under counter water purifier. On the other hand, if you have enough counter space and don’t mind putting a water purifier which is visible in your sight, you might want to consider the traditional countertop models.
When it comes to premium, high-quality water purifiers, A.O. Smith shines as a leader in the industry. Our water purifiers and water heaters are known for their sleek and compact designs and cutting-edge technology.
So, what are you waiting for? If you are on the hunt for a contemporary under sink or countertop RO water purifier that provides you 100% RO purified drinking water, look no further than AO Smith. Explore our well-curated range of RO and UV water purifiers and choose the one that best fits your needs.