APEC Water Systems is a renowned brand and the leading manufacturer of residential reverse osmosis drinking water filtration systems in the United States. Based in the City of Industry, California, our famous Reverse Osmosis Systems are custom designed and built here. With over 20 years of industry experience and a global customer base, we take pride in our unbeatable reputation for delivering the highest quality water filtration systems.

Our products are shipped worldwide to address various water problems in residential, commercial, and industrial applications. Every APEC system is designed, engineered, and assembled at our laboratories in the United States, and undergoes thorough inspection and testing before shipping. With superior engineering, design expertise, and meticulous attention to detail, our systems have earned a reputation for being the most durable water filtration systems available.

We are one of the few manufacturers whose membranes and primary filters are all made in the United States. Through our website, we aim to provide visitors with valuable, up-to-date information on the significance of water treatment for their health. We offer affordable water filtration solutions through our factory direct discounts and pricing.

As the water purification industry evolves, APEC will continue to lead in design and innovation. Over the past two decades, we have developed customized water treatment systems for various organizations, including the US Army, Dow Chemical, Exxon Mobil, and Yale University, among others. When it comes to reliable and effective water filtration, choose APEC Water Systems