Exhibit 23.1
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT
We consent to the incorporation by reference in the Registration Statement of CVD Equipment Corporation on Form S-8 (File No. 333-138903, 333-153186, and 333-217439) of our report dated March 27, 2023 with respect to our audits of the consolidated financial statements of CVD Equipment Corporation and Subsidiaries as of December 31, 2022 and 2021 and for each of the two years in the period ended December 31, 2022, which report is included in this Annual Report on Form 10-K of CVD Equipment Corporation for the year ended December 31, 2022.
/s/ Marcum LLP
Marcum LLP
Melville, NY
March 27, 2023