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The Heat Pump – What it Is, What it Does, and What it May Do Someday

SINCE DECEMBER 1852, when Lord Kelvin presented before the Glasgow Philosophical Society a modest little paper, “On the Economy of the Heating or Cooling of Buildings by Means of Currents of Air,” the Heat Pump has been a prime target for technical writers. In fact, for most of the 96 years since Kelvin’s article, there have been more papers on the subject…

NMD named 2015 Contractor of the Month by Contractor Magazine

Nelson Mechanical Design was honored by Contractor Magazine with their prestigious Contractor of the Month award for September 2015: What makes Nelson Mechanical Design unique when compared to other contractors? Nelson Mechanical Design is a one-stop shop:  We design, install, and service residential and commercial HVAC, plumbing, and water treatment systems and we offer both conventional (propane and electric) and green (solar…

Mansion Hotel Uses Displaced Heat to Warm Swimming Pool

Contractor Magazine, April 3, 2013 BY JOHN MESENBRINK VINEYARD HAVEN, MASS. — Old can be perceived many different ways. For example, calling another person old, not so much a compliment. But when you take a hotel, for example, “old” suddenly becomes more interesting — it exudes character, charm, quaintness, stories and experiences. It could be the single reason you choose to stay at…

We’re Likin’ Daikin! Our Sales are up 100%!

Owners Brian Nelson and David Sprague have doubled their sales since becoming a Daikin AC dealer. The partners started out as a heating and plumbing contractor, but today 75% of their business is Daikin Altherma and Ductless split heat pumps from Daikin AC. “Daikin AC has allowed us to set our dealership apart as the ‘Green Experts’,” says Brian. To live up…

Nelson Mechanical Design’s 7 Secrets of Success

Dave Sprague and Brian Nelson have seven great ideas to help other dealers accelerate their businesses. “Set Your Dealership Apart.” Find a way to distinguish your dealership from your competitors. Think about the needs of homeowners and businesses in your area and then position yourself as the leader in that area. Or, identify a trend, like we did with the “green” approach,…

Presentation features new heat pump technology – Daikin Altherma

An innovative heat pump project that reduces fossil fuel use will be featured in a presentation hosted by Nelson Mechanical Design (NMD) and the Vineyard Energy Project (VEP) on June 29.  The event at 59 Hidden Valley Road in West Tisbury kicks off with a reception from 4-4:30 pm. The focus of the presentation is a new Daikin AC Altherma air-to-water heat…

Daikin AC Blueprint – How to Integrate Daikin Altherma with boiler – West Tisbury

Retrofit Challenge: How to integrate Daikin Altherma with an existing fossil fuel boiler / radiant heating system while ensuring winter comfort with minimum operating cost. Ted Bayne and Lea Delacour live on Martha’s Vineyard in a 3,000 square foot home heated by radiant floors and a Viessmann propane boiler. Their goal was threefold – to find a heating source that would make…

Contractors Contribute to Environmental Activism

In the U.S. HVAC market, environmental activism doesn’t refer to anything too highly visible. There are no million-contractor marches planned for the National Mall, no protests, and no one throwing red paint on inefficient buildings. In our realm, the environmental activism taking place in 2010 centers on things like working through associations for legislative change, and focusing on the “act” part of…

Behind the Scenes Green: Mansion House on Martha’s Vineyard

For years, the leaky basement at Mansion House was proprietor Susan Goldstein’s annoying little secret. Even following a total rebuild, after fire destroyed the Martha’s Vineyard landmark in 2001, a daily 16,000 gallons of water had to be sump-pumped, thanks to a basement that was too deep into the groundwater. But Goldstein, who owns Mansion House together with her husband Sherman, recently…

Greening Martha : Mansion House uses geothermal technology to green its business

Published by the Martha’s Vineyard Times August 12, 2010 A geothermal heat pump system, run by the stored solar energy found in the abundant groundwater below the Mansion House, along with a sophisticated energy control system, now make the hotel one of the greenest hotels in Massachusetts, according to a press statement released this week by Susan Goldstein, the owner with her…