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 husband, Sherm, of the Vineyard Haven business.
Mansion House's cooling system now uses geothermal heat pumps to remove heat from the hotel and store it deep underground for use in heating the hotel during the winter. The new energy control system carefully controls where this green heating and cooling is used to maximize energy efficiency and maintain guest comfort.
All of these advances result in a marked decrease in energy usage and pollution by the hotel, Ms. Goldstein reports. They also limit fossil fuel use, energy waste and carbon dioxide production.
Until recently roughly 16,000 gallons of groundwater a day ran under the Mansion House untapped, a nuisance to be pumped away instead of used as a valuable source of "stored solar energy". The recently completed geothermal heat pump system uses this energy source for cooling the guest rooms and common spaces. The heat removed from the hotel by the heat pumps is sent to the groundwater running under the hotel. This heat energy and water is ultimately redistributed back into the water table where it is stored.
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