Comfort Systems USA announced that J. Gordon Beittenmiller resigned his roles as executive vice president, chief financial officer and director to accept a senior position in another part of the industry, effective April 15, 2005. Taking the CFO role is William George, the company's general counsel. Controller Julie S. Shaeff assumes the chief accounting officer position, and Trent T. McKenna, the company's associate general counsel, succeeds George as general counsel.