Construction.pdf

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This section features construction details from some of the more
typical examples of the passive systems we have described. This
information should give designers, builders, and homeowners a
much better knowledge of how each system is designed and built,
with a focus on those details needing special attention. Since full
sets of construction drawings are not included here, you may wish
to seek professional assistance before actually building your own
system.
The details shown here are from four designs developed in two
federally-sponsored demonstration projects to promote solar
design, research, and construction. They include a solar window,
solar chimney, and a solar room from Project SUEDE, and a solar
wall from the Brookhaven House.
Project SUEDE, "Solar Utilization, Economic Development, and
Employment," was part of a nationwide effort to train solar
installers and to build solar applications into existing houses.
Sponsored by the U.S. Community Services Administration,
Department of Energy, and Department of Labor, SUEDE was
carried out in New England by a four-member consortium: the
Center for Ecological Technology in Pittsfield, Massachusetts; the
Cooperative Extension Service of the University of Massachusetts
in Amherst; Southern New Hampshire Services in Manchester,
New Hampshire; and Total Environmental Action Foundation in
Harrisville, New Hampshire. Together, these groups trained 30
installers who built one of three types of low-cost solar systems
onto nearly 100 New England homes. A major goal in Project
SUEDE was to demonstrate that solar designs can be simple, can be
built at reasonable costs from readily-available building materials,
and can be attractive and work well.
Examples of the New England SUEDE systems illustrated here
also appear in the color section. The added solar windows, the
thermo-siphoning air panel retrofit were each constructed by the
Center for Ecological Technology. The attached greenhouse was
constructed by Southern New Hampshire Services. Design for
New England SUEDE were developed by Total Environmental
Action, Inc., (TEA), of Harrisville, New Hampshire.
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Construction Details
The Brookhaven House is the result of a research and design
effort carried out by TEA, Inc., under contract to Brookhaven
National Laboratory, and built at the Lab site on Long Island as a
demonstration house to be monitored for its performance.
The work was sponsored by the Building Division of the Office of
Buildings and Community Systems, Office of the Assistant
Secretary of Conservation and Solar Applications, U.S. Department
of Energy.
The goal of the Brookhaven project was to develop an attractive,
energy-conserving, single-family home of conventional design,
using thermal storage materials in combination with heavy
insulation and passive solar systems to significantly cut heating
costs without reducing comfort. The construction details shown
here are from the triple-glazed storage wall located next to a large
sunspace and serving as the structural south wall of the dining
room. This storage wall also contains a set of windows for direct
gain, natural lighting, and a view from inside.
A photograph of the Brookhaven House appears in the color
section.
The drawings here were prepared by and adapted by the authors
from Total Environmental Action, Inc. designs for the Brookhaven
and SUEDE projects. As neither the authors, publisher, TEA nor
any of its employees, nor any of the original SUEDE and
Brookhaven project participants, have any control over the final use
of these revised drawings, all warrantees, expressed or implied, for
the usefulness of these drawings and all liabilities which may result
from the use of these drawings are voided by their use in
construction.
It is good practice to have all dimensions, quantities, and
specifications reviewed by a competent local architect, engineer,
and/or building official prior to construction to assure compliance
with individual requirements, and local codes and conditions.
Construction Details
129
Solar Rooms
This solar greenhouse uses stock size insulated glass patio door
unit
s the solar aperture. These units are field-mounted in the
wood-framed structure which rests on an added foundation wall of
poured concrete or block and which is attached to the existing
house wall by 2x4 braces and a 2x4ledger strip bolted to the wall.
The side wall can be either clapboard or other siding to match the
house. In this design, the two-inch beadboard foundation insulation
is located on the inside of the foundation wall to make a
weatherproof exterior with no additional finishing required. All
optional roll-down insulating curtain is included at the sloped
glazing. (Construction details, New England SUEDE.)
Construction Details
131
Solar Windows
These details were developed for a low-cost addition of direct gain south
glazing in standard 2x4 stud wall construction. A section of the south
wall is removed and new framing added as shown to prepare for the
addition of standard-sized insulated glass units. These fixed units are
installed using standard glazing techniques including setting blocks,
glazing tape and weep holes for condensation. The rough framing is
finished with trim pieces and glazing stops. Note that cutting into the
framing of a stud wall house can be a major structural alteration to the
house, and should only be undertaken after professional
verification that the new structure is adequate and that existing
floor and roof loads can be carried safely during and after the
renovation project. (Construction details, New England SUEDE.)

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