APEC Water vs Aqua-Star Water Treatment
Updated February 23, 2026
Comparing APEC Water and Aqua-Star for Water Treatment — see how they stack up on price, warranty, certifications, and product range.
Side-by-Side Comparison
| Feature | APEC Water | Aqua-Star |
|---|---|---|
| Founded | Founded 1997 | |
| Country | United States | United States |
| Price Tier | mid-range | budget |
| Warranty | 2-year manufacturer warranty; 1-year money-back guarantee on select systems | |
| Certifications | 2 certifications | 0 certifications |
About APEC Water
APEC Water Systems is the leading US manufacturer of residential reverse osmosis drinking water filtration systems. Based in City of Industry, California, APEC designs and assembles all of their systems domestically. With over 25 years of industry experience, they have earned a reputation for high-quality components, long filter life, and responsive customer support. Their systems consistently rank among the top-rated on Amazon and independent review sites.
Known for: Top-rated reverse osmosis drinking water systems manufactured and assembled in the USA
About Aqua-Star
Aqua-Star is a niche brand offering residential water treatment and purification systems. They focus on providing affordable point-of-use filtration solutions for homeowners seeking cleaner drinking water.
Known for: Affordable residential water purification and filtration systems
Frequently Asked Questions
Is APEC Water or Aqua-Star better for water treatment?
Both are reputable brands. APEC Water is positioned in the mid-range price tier, while Aqua-Star is in the budget tier. Your choice depends on budget and specific feature needs.
Which brand has a better warranty?
APEC Water offers 2-year manufacturer warranty; 1-year money-back guarantee on select systems. Aqua-Star offers standard warranty coverage.