When Ray O. Cook Co. was founded in 1947, central heating systems were starting to become popular and central air conditioning was a luxury only few could afford. Harry S. Truman was president and World War II had just ended a few years prior. As time went on, our country celebrated post war times and central heating coupled with central air conditioning became more popular. As popularity grew along with heating and cooling technology, Ray O. Cook grew with the industry as well. For over 60 years, generations of families within the Greater Sacramento and surrounding areas have relied on the Ray O. Cook name for all their heating and cooling needs. In fact, Ray O Cook's continued success is attributed to their loyal customers who for many generations have put their trust in them. Maintaining honesty, integrity, and superior satisfaction is second nature at Ray O. Cook.