Nelson Mechanical Design Inc. of Vineyard Haven was recently selected 2010 Contractor of the Year in a national survey by the Penton Media Group, a publishing firm that serves 50,000 mechanical contractors across the United States. Penton publishes Contractor Magazine, Green Mechanical Contractor, Radiant Living, and Heating, Plumbing and Air Conditioning Engineering.

The award is recognition for the company’s work this year on several “green” mechanical projects across the Vineyard — notably the Tisbury School energy retrofit project, the collaboration with the Vineyard Energy Project on their Smart Grid pilot program, and the Mansion House geothermal and control upgrade. The company’s work at the Mansion House is the cover story in the latest issue of Green Mechanical Contracting. The company owner is Brian Nelson.