JM Mechanical of WNY LLC is a Commercial HVAC & Refrigeration Contractor based in Buffalo, New York. Our services include HVAC/R equipment sales, installation, and service. Owners John Mazur and James Mazur collectively have over 30 years of industry experience. John Mazur attended heating trade school at ECC and started a DBA named JM Refrigeration back in 2000 servicing many large commercial clients in the Western New York area. John has several years of general contractor experience as a partner in the build of Hidden Meadow Trail and Oakwood Ridge apartment complexes on Grand Island. James Mazur attended University at Buffalo, where he earned a bachelor’s degree in Business Administration General Management while working in the HVAC field. James has several years of CM experience working with Turner Construction Company as Superintendent at the Buffalo Outer Harbor Redevelopment. JM Mechanical of WNY LLC was formed in 2024, officially organizing JM Refrigeration to grow a successful network and serve the growing needs of the commercial and industrial sectors in the WNY area.