Jeffrey Feller has been named director, product marketing for Analytical Index Technologies Inc. (Dallas).

Environmental Dynamics Group (Princeton, N.J.) has appointed Rob Goodfellow director of sales and marketing for its residential product line.

The officers for the National Environmental Balancing Bureau were elected at the association's annual meeting last month. The new officers are: president: Joseph Miller, Seneca Balance of Virginia, Alton, Va. president-elect: Eric Jenison, Total Dynamic Balance, Inc., Deerfield Beach, Fla. vice president: John G. (Jack) Cappell, Comfort Control Inc., Beltsville, Md. treasurer: Clyde H. Porter Jr., Porter Testing Services, Gadsden, Ala.

The National Association of Oil Heating Service Managers (NAOHSM) has expanded its education committee. The new members are: co-chairman: Matt Spink, president of the Nassau-Suffolk chapter and commercial service manager for Slomins Oil, Westbury, N.Y., and ...

... co-chairman: Ralph Adams, president and education chairman of the Mid-Atlantic chapter and service manager for Parker Fuel, Ellicott City, Md.

Steril-Aire Inc., (Burbank, Calif.) has promoted Derald G. Welles to the newly created position of national accounts manager and Mary D.S. ("Lorrie") Todd to northeastern regional sales manager.

Andres Lacassie has been appointed market manager for Danfoss Commercial Refrigeration (Baltimore).