Owner/operator David Ross has sold Laconia Refrigeration Co., LLC to Steven and Kara Olson. Established 1971, Laconia Refrigeration is a market leader in commercial refrigeration and air conditioning sales and service in central N.H. The seller was represented by Gary Rayberg, president of ROI Corp. of Weymouth, Mass. and Robert Ehrenberg, president of The Business Connection, Inc. of Gilford, N.H. The buyer was represented by Jody Keeler, broker of Concord Commercial LLC of Concord.