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): April 11, 2012

UNITED TECHNOLOGIES CORPORATION

(Exact name of registrant as specified in its charter)

One Financial Plaza

Hartford, Connecticut 06103

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code

(860) 728-7000

N/A

(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:

Section 5—Corporate Governance and Management

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

(b) On April 11, 2012, United Technologies Corporation (“UTC”) held its 2012 Annual Meeting of Shareowners. As previously disclosed in UTC’s 2012 Proxy Statement, director Charles R. Lee did not stand for reelection and retired from UTC’s Board of Directors (the “Board”) effective as of April 11, 2012, consistent with the provisions of UTC’s Corporate Governance Guidelines requiring that outside directors retire from the Board as of the annual meeting following the attainment of age 72.

Item 5.07.    Submission of Matters to a Vote of Security Holders.

As noted above, UTC held its Annual Meeting of Shareowners on April 11, 2012. As of February 15, 2012, the record date for the meeting, 910,162,300 shares of UTC Common Stock were issued and outstanding. A quorum of 786,393,676 shares of Common Stock were present or represented at the meeting.

The following individuals were elected to serve as directors for a one-year term expiring at the 2013 Annual Meeting of Shareowners or upon the election and qualification of their successors:

Louis R. Chênevert, John V. Faraci, Jean-Pierre Garnier, Jamie S. Gorelick, Edward A. Kangas, Ellen J. Kullman, Richard D. McCormick, Harold McGraw III, Richard B. Myers, H. Patrick Swygert, André Villeneuve, and Christine Todd Whitman.

The Shareowners voted on the following matters and cast their votes as described below.

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.