Nelson Mechanical Design of Martha's Vineyard
  Residential
  Commercial
  Hot Water Heating
  AquaPex Heating
  Clivus Composting Toilets
  Custom Plumbing Solutions
  Fixtures
  Hot Water Boilers
  Radiant Floor Heating
  Radiant Panels & Towel Warmers
  Hydro Air Systems
  Multi Aqua Systems
  Fan Coils & Kickspace
  Ducted Systems
  Ductless Systems
  Multi Aqua Cooling
  Geothermal
  Solar Thermal
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Copyright ©2005-2007
Nelson Mechanical Design
Nelson Mechanical Design is Martha's Vineyard and Nantucket's "green" mechanical contractor. We are an innovative and experienced firm in environmental mechanical design and installation, and advanced technological systems and operations.
Want the best? You've found us: NMDGreen.
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"Vineyard Unplugged" - MV Times

"The Gift that keeps on giving!"
- Vineyard Conservation Almanac
We design and install systems for: plumbing, heating, air conditioning, solar systems, geothermal systems, mechanical design, engineering, software modeling, and analysis

NMD has been in business on the island for over five years designing and installing high quality mechanical systems.


Principals:

David Sprague is a Master Plumber licensed in Massachusetts, an Accredited Installer (geothermal), a member of IGSHPA and a Geothermal Pipe Fusion Welder.

Brian Nelson is a Master Plumber licensed in Massachusetts, is working on his Certified GeoDesign license, and has a Masters Degree in Mechanical Engineering. He is not a P.E. However, NMD does offer engineering services from licensed P.E.s. Brian is a full member of ASHRAE, AEE, GHPC, IGSHPA, and the RPA.

Learn more here, including what our customers say about our services.



David Sprague and Brian Nelson
"Geothermal heat systems planned here"
From The Martha's Vineyard Times
Posted May 17, 2007

A crew from New England Drilling, based in Concord, arrived Tuesday to begin work on the first two geothermal heating/cooling systems to be installed in Oak Bluffs. The new systems will be installed in the offices of Sullivan O'Connor Architects on New York Avenue and a private residence on Pheasant Lane.

Contractor Steve Ouellette and his New England Drilling crew will arrive on Island with four trucks carrying specialized equipment to drill vertical or diagonal geothermal earth loops, depending on the site terrain. Copper tubing placed in the loops carries refrigerant, which picks up heat at 6 to 10 feet underground where the temperature remains at an average of about 50 degrees year-round.

The tubing connects with a geothermal or ground source heat pump system inside a building, which uses that constant temperature for heating or cooling. Nelson Mechanical Design in Vineyard Haven is coordinating the geothermal project and will be installing the system inside the buildings.

"We welcome visitors who wish to visit these job sites and see Oak Bluffs history in the making," said Brian Nelson, co-owner of Nelson Mechanical Design.

"Islanders tap geothermal energy - the heat beneath their feet"
From Martha's Vineyard Times
When it comes to alternative energy choices, some Islanders look no further than the ground beneath their feet. Geothermal energy provided by heat absorbed in the earth from the sun offers them a free, clean, renewable energy source for heating, cooling, and water heating in their homes and businesses.

Two of the Island's biggest geothermal enthusiasts are Brian Nelson and David Sprague, co-owners of Nelson Mechanical Design.

Read the rest of the article here...

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