Cool Reef chillers?

has anyone out there ever used a Cool Reef chiller? i live in so.cal. and am upgrading my entire system. the total gallons will be in the 400-500 gal. range and will be in-wall, but the system will be based in the garage for ease of maintenance and access. ]
i know that i will need a fan to create air exchange ventilation for the garage itself, but am looking for a great chiller unit that may allow for future expansion or just basically kick butt when needed.
any info would be appreciated.:)
 
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