Serving Placer, and Sacramento Counties

Today, just as in 1947, Ray O. Cook continues to lead the industry in knowledge, training and certification of all its employees.  Leading edge technology, quality and proven reliability are the key ingredients to any product Ray O. Cook will recommend to you.  Ray O. Cook proudly holds certifications as a Trane comfort Specialist, North American Technician Excellence (N.A.T.E.), National Comfort Institute (N.C.I.) and the Better Business Bureau.

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