UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) December 12, 2018

Comfort Systems USA, Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code (713) 830-9600

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

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

On December 12, 2018, Comfort Systems USA, Inc. (the “Company”) announced that Trent T. McKenna will transition from his current role as Senior Vice President, General Counsel and Corporate Secretary to a non-executive regional operations role within the Company, effective January 1, 2019. Mr. McKenna’s experience and education are summarized in the Company’s Annual Report on Form 10-K for the year-ended December 31, 2017. There are no agreements or other arrangements entered into in connection with this transition between Mr. McKenna and the Company.

On December 12, 2018, the Company issued a press release announcing Mr. McKenna’s transition within the Company. A copy of the press release is furnished herewith as Exhibit 99.1.

ITEM 9.01 Financial Statements and Exhibits

(d)                                              Exhibits.

99.1                        Press Release of Comfort Systems USA, Inc. dated December 12, 2018, announcing General Counsel Transition.

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EXHIBIT INDEX

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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Exhibit 99.1

FOR IMMEDIATE RELEASE

COMFORT SYSTEMS ANNOUNCES GENERAL COUNSEL TRANSITION

Houston, TX — December 12, 2018 — Comfort Systems USA, Inc. (NYSE:FIX) (the “Company”), a leading provider of mechanical services including heating, ventilation, air conditioning, plumbing, piping and controls, today announced the transition of Trent T. McKenna from his current role as Senior Vice President, General Counsel and Corporate Secretary to a regional operations role, effective January 1, 2019. The Company has appointed Laura F. Howell to serve as Vice President, General Counsel and Corporate Secretary, effective January 1, 2019.

Brian Lane, President and CEO of the Company, commented, “I want to thank Trent for his leadership and many contributions as Comfort Systems USA’s General Counsel for over thirteen years. This has been a planned transition with Trent’s desire to serve in an operating role for the Company. I am confident that he will be successful in this new role.”

Mr. Lane continued, “Laura has been an integral part of the Company’s legal team for over four years. Her experience, judgment and leadership will ensure a smooth transition into her new role as General Counsel.”

Ms. Howell has served as the Company’s Associate General Counsel since January 1, 2018 and served as Senior Counsel, Corporate from November 2014 to December 2017. Prior to joining the Company, she was an associate in the corporate department of the Houston office of Latham & Watkins, LLP. Ms. Howell started her career as an associate in the corporate department of the Silicon Valley office of Fenwick & West, LLP. Ms. Howell holds a Bachelor of Arts in Economics from Wake Forest University and a Juris Doctorate from Stanford Law School.

Comfort Systems USA® is a premier provider of business solutions addressing workplace comfort, with 127 locations in 113 cities around the nation.  For more information, visit the Company’s website at www.comfortsystemsusa.com.