Exhibit 23.3

CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

We have issued our report dated March 3, 2021, with respect to the consolidated financial statements of Compass AC Holdings, Inc. and Subsidiaries contained in the Registration Statement and Prospectus. We consent to the use of the aforementioned report in the Registration Statement and Prospectus, and to the use of our name as it appears under the caption “Experts.”

/s/ GRANT THORNTON LLP

Denver, Colorado

November12, 2021