Item 5.02 Departure of Directors or Certain Officers; Election of
Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(c) As previously announced on October 13, 2008 by Comfort Systems USA, Inc. (the "Company"), the Company appointed Brian E. Lane its Executive Vice President and Chief Operating Officer on January 1, 2009. Mr. Lane, who is 51 years old, joined the Company in October 2003, serving the entire time as Vice President and then Senior Vice President for Region One of the Company. Prior to joining the Company, Mr. Lane spent 15 years at Halliburton, a global provider of products and services to energy, industrial, and government customers, including employment by Brown and Root, an engineering and construction company. During his tenure, he held various positions in business development, strategy, and project activities, including the position of Regional Director of Europe and Africa. Additionally, he held the position of Vice President at Kvaerner, an international engineering and construction company. Mr. Lane earned a Bachelor of Science in Chemistry from University of Notre Dame and his MBA from Boston College. Mr. Lane will continue to be a beneficiary of the Company's Executive Severance Policy and has a Change-in-Control Agreement that contains a non-compete provision and also provides for a change-in-control payment equal to one times Mr. Lane's annual base salary plus the greater of his current bonus or the average of the prior three years' bonuses (whichever is greater). Effective January 1, 2009, Mr. Lane's base salary was increased to $273,000 USD, and it is anticipated that his annual performance initiative will consist of a performance component as well as a discretionary component and will in the aggregate range from zero percent to one hundred forty five percent of his annual salary. In addition, Mr. Lane will also receive a monthly living allowance through August of 2010 of $2,000 USD and reimbursement of commuting expenses through August of 2010.

Also as previously announced, the Company appointed Thomas N. Tanner, age 59, who was serving as the Company's Executive Vice President and Chief Operating Officer, to the position of Executive Vice President - Corporate and Business Development.