Star (SGU) 10-K2023 FY Annual report

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Star Group, L.P. (the “Company”) on Form 10-K for the year ended September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Richard F. Ambury, Chief Financial Officer of the Company, certify to my knowledge pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, following due inquiry, I believe that:

A signed original of this written statement required by Section 906 has been provided to Star Group, L.P. and will be retained by Star Group, L.P. and furnished to the Securities and Exchange Commission or its staff upon request.