Having access to clean and filtered water helps ensure your loved ones remain healthy and safe. Reverse osmosis is one of the most trusted filtration technologies that helps elevate water quality by removing a wide range of impurities, including chlorine, heavy metals, and pathogens. While exploring RO options, two main options that people find hard to choose between are under-sink and whole-house RO systems. Let’s understand which one might be the right choice for your home.
How ROs Operate
Reverse osmosis systems push water through a semi-permeable membrane to filter out impurities. These systems are quite effective in improving water quality and producing clean water. Under-sink RO systems filter water at only one specific point, which is under the kitchen sink. Meanwhile, whole-house reverse osmosis systems purify water at the point where it enters your home. Both these systems use the same core technology, but are designed for different needs.
Under-Sink Reverse Osmosis
Under-sink RO systems are a popular choice among those who want to improve their drinking water quality without making any major changes in their plumbing. These systems are installed under the sink and provide filtered water through a small faucet at the sink or counter. They are quite compact, easy to install and affordable, especially when compared with whole-house RO systems. With these systems, you can get filtered water for drinking and cooking, but, as they only treat the water at a specific faucet, the water in the rest of your home remains untreated. For those who are aiming to get filtered water for cooking and drinking, they are a great option.
Whole-House Reverse Osmosis
If you are looking for a solution that can help improve the water quality throughout your home, a whole-house RO system would be the right choice for you. These systems are installed where water enters your home and help ensure that water in every tap, shower and appliance gets purified. These systems ensure that the water you drink, shower in, and even use for laundry remains clean. Many people notice that their skin feels softer, hair shinier and appliances last longer after installing whole-house ROs.
While they offer a wide range of benefits, the cost of these systems is also higher. They are more complex to install, take up more space, and require professional maintenance. For homes with a hard water supply, these systems are a smart investment.
Which System Should You Install
The right choice for your home depends on your goals, budget, and water quality. If you mainly want clean, high-quality water for drinking, then an under-sink RO system would be the right fit for you. These systems are affordable, efficient and easy to maintain. However, if your home has serious hard-water issues, like high mineral content, heavy metals, etc., then a more comprehensive solution like a full-house RO system would be ideal for you. They prevent mineral buildup and ensure you get high-quality water throughout your home.
Contact Peacock Water today to explore advanced water filtration in Norwalk. Our expert team can help check your water quality, assess your home’s needs and recommend the right system for you.





