AquaEuro USA Chillers are manufactured by Hamilton Technology, who has been a trusted name in the aquarium industry for more than 25 years. They are known for both their outstanding customer service and remarkable dependability. Everything that Hamilton makes is what causes them to remain a top manufacturer of aquarium products in today's ever advancing reef keeping industry. Their AquaEuro USA Chillers are built to last, a great value, and backed by one of the most reliable names in the hobby. All of this is why they are the only brand we carry here at Reef2Land. If you have any questions please email us at contact@reef2land.com.