Platinum Equity, a private equity firm, has made an investment in Motors & Armatures Inc., a distributor of HVAC/R parts, supplies and equipment in the United States and Canada.

Headquartered in Hauppauge, N.Y., MARS has served as a supplier to the HVAC/R industry for more than 75 years. Founded in 1946 by Sol Chernoff as a motor repair company, MARS has become a trusted partner to HVAC/R wholesalers across North America. MARS distributes an extensive line of MARS and JARD branded aftermarket replacement products, including motors and other electrical components, as well as the original equipment parts of manufacturers.