Overall, NU Aqua systems offer a number of advantages over other reverse osmosis systems. If you are looking for a system that is effective, efficient, and backed by a good warranty, then Nu Aqua is a good option to consider. Here are some additional details about the features that make Nu Aqua different from other reverse osmosis systems: HydraCoil technology: HydraCoil technology is a proprietary process that uses a special manufacturing process to create filters with a higher absorption rate. This means that Nu Aqua filters can remove more contaminants from water than filters that are not made with HydraCoil technology. Longer warranty: Nu Aqua systems come with a longer warranty than many other systems. This shows that Nu Aqua is confident in the quality of its products. The standard warranty for Nu Aqua systems is 3 years. This is significantly longer than the warranty that is offered by many other reverse osmosis systems. Customer service: Nu Aqua has a reputation for excellent customer service. If you have any problems with your Nu Aqua system, you can be confident that the company will be there to help you. Nu Aqua offers a 24/7 customer support line and a live chat feature on its website. The company also has a team of experienced technicians who can help you troubleshoot any problems with your system.