Thermon (THR) 10-K 2015 FY Annual report

Exhibit 23.2

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement on Form S-8 (File No. 333-174039) pertaining to the Thermon Group Holdings, Inc. Restricted Stock and Stock Option Plan and the Thermon Group Holdings, Inc. 2011 Long-Term Incentive Plan and the Registration Statement on Form S-3 (File No. 333-181821) of Thermon Group Holdings, Inc. and in the related Prospectus of our report dated June 10, 2013, with respect to the consolidated financial statements of Thermon Group Holdings, Inc. for the year ended March 31, 2013, included in this Annual Report on Form 10-K for the year ended March 31, 2015.

/s/ Ernst & Young LLP

San Antonio, Texas

June 1, 2015