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Property Listing
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Property address:
39 Talcott Drive
Woolwich, Maine
04579
USA
Map Location
Selling Price (USD): $1,295,000
Living area (Sq. Ft.): 4425
Number of Bedrooms: 4
Number of Bathrooms: 6
Lot Size: 7.80 acres
Year Built: 1983
Monthly Utility Cost (USD): 1400 gallons per year
Property Web Site:
www.KennebecRiverfrontEstate.info
What makes it Green:
The Double Envelope or Thermal Envelope design is essentially composed of a house within a house.
Thermal energy is captured from a south-facing solarium and heat is circulated by a natural convection
flow loop in the cavity between the two building envelopes and through a sub-floor.
A recirculating air flow path results from the warm (less-dense) air rising in the south-side
solarium, and cooler (denser) air falling on the north side to create pressure differentials that
automatically move excess solar thermal gain from the south to the north side of the building without
forced convection systems. Hence the passive nature of this design. Air flow is proportional to the
differences in temperature between the two convection paths.
In the summer, shading devices eliminate all direct solar gain. Vents are opened at the top of the
sun space peak of the house to exhaust hot air. Fresh air intake uses ambient temperature Earth to
cool and dehumidify replacement air at the base.
In winter, the air in the cavity is buffered by warm ambient-temperature Earth under the floor
(which is partially recharged by the natural convection flow loop during each winter day).
In the summer, the convective flow is replaced with cooler near-ambient-temperature Earth
replacement air, and the warm air exhausts by natural convection.
The energy-saving capabilities of the envelope design are numerous. For one thing, a great deal of
solar heat is taken in through the greenhouse, and at least some excess warmth is stored in
the crawl space for use during the night or on cloudy days. Consequently, most double envelope
houses require minimal backup heat.
Envelope home residents also enjoy pleasantly stable humidity through the winter, since
moist greenhouse atmosphere is continually circulated through the air space and can be admitted
to the living quarters by cracking a door or window. Furthermore, the constant but gentle and
silent circulation of air prevents stagnation and lends a balmy feeling to the interior environment.
Garage-Carport: Yes
Garage-Carport Type: Garage-Attached
Number of Cars: 3
Garage Area (Sq. Ft.):
Heating: Solar Passive
Cooling: Passive Cooling
Energy Source: Other
Water Source: Well
Windows: Other
Insulation: Other
Seller Contact Info:
Name: Deborah A Meek - REALTOR® - Keller Williams Realty
Address: 50 Sewall Street, 2nd Floor
City: Portland
State: ME
Zip Code: 04102
Country: USA
Phone: 207.553.2662
Fax: 207.879.9801
E-Mail:
Click here to contact
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