The Sloan Estate

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This Estate is listed on the US National Register of Historic Places. It is known as the Sloan Estate located in Garrison, NY in Putnam County. It consists of a 2.5 story main house, and a Carriage house on approximately 16 acres with romantic gardens and vistas overlooking the Hudson River and West Point Military Academy. The house was built by Samuel Sloan and his wife as their summer estate back in 1864. Sloan was a former NYS Senator and Magnate for the Delaware, Lackawanna and Western Railroads.

Our mechanical work involved the main 9000 square foot structure with the two story carriage house planned for a transformation in the near future. The owner’s wish was to renovate the house to a Greek Revival Style. The original mechanical system was an oil fired hydronic system. He updated the thermal performance and energy conservation to LEED silver home standards. The energy performance of the building was drastically improved by wrapping the entire masonry structure with 4” of rigid foam and a continuous air barrier. Ceiling, floors, and walls with no insulation were filled with high-performance insulation. Triple-pane passive house windows and doors were installed with geothermal heating and cooling equipment, an 87% efficient heat recovery ventilation system, a 20,000-gallon rainwater retention storage tank for irrigation watering, the roof was designed and ready for a green roof and a 24.84 KW of tracker PV Solar was also installed. Two ways to utilize the Earth’s free energy for one’s own good are with solar panels and geothermal heat pumps. Solar panels capture the sun’s rays and convert it into electricity and or heat. In our case, we utilized the electricity to run the heat pumps for heating and cooling the home, while the geothermal exchange utilized the constant core temperature of the Earth to heat and cool the house efficiently.

We were truly fortunate to be able to be a part and in an inclusive project as this. We met, worked and made many acquaintances during the construction period to ensure that the customer received what he wanted, within the constraints we had to work with.
Construction started in 2014; We were commissioned into the project in late spring of 2017.
Carrier Heat Pumps