Palladin Consumer Retail Partners, a private investment firm, completed the acquisition of a majority stake in Southeast Mechanical, a collection of four HVAC operating companies. Financial terms were not disclosed. "The Palladin team brings a wealth of experience growing service businesses. Their expertise and support will provide not only capital, but operational support that will be instrumental in helping Southeast Mechanical become a major regional and national HVAC platform. We look forward to working with Palladin during this next phase of growth," Hugh Elks, Southeast Mechanical President.