•Jackson Systems LLC(Indianapolis) promotedRay Coffmanto inside sales manager.
•Emerson Climate Technologies(St. Louis) appointedAlan Abramsonas president of Clive Samuels & Associates (Princeton, N.J.).
•Enertech Manufacturing LLC(Greenville, Ill.) hiredJeff Hammondas vice president of product planning and marketing.
•Niagara Blower Co.(Buffalo, N.Y.) acquiredKathabar Inc.(Somerset, N.J.). It will now be known as Kathabar Dehumidification Systems Inc.
•Johnson Controls Inc.(Milwaukee) acquiredMetro Mechanical Inc.(Phoenix).