Gryphon Investors, a middle-market private equity firm, completed the acquisition of Wittichen Supply, a wholesale distributor providing heating, ventilation, air conditioning, and refrigeration (HVAC/R) equipment, parts, supplies, and customer service to residential and commercial customers. Financial terms were not disclosed. "Our investment in Wittichen is testament to Gryphon’s Heritage Fund strategy, which leverages Gryphon’s sector initiative strategy and focuses on partnering with market leaders with sustainable differentiation. We expect to make future investments to develop a strong platform across the Sun Belt," Keith Stimson, Gryphon Investors Deal Partner and Head of the Heritage Fund Team.