Going Net-Zero in Santa Fe

Homebuilders across the country will soon be lookingtemperatures.
to Santa Fe, NM as a guide and inspiration for newSanta Fe is the birthplace of the Architecture 2030
levels of excellence in green and low-enviro-impactChallenge, which encourages builders nation-wide and
building. Santa Fe is emerging as the national leader inglobally to achieve 100% carbon-neutral construction
green building standards, in large part with the help ofof homes and buildings by the year 2030.
Santa Fe homebuilder Faren Dancer.The City of Santa Fe and The Santa Fe Home
Dancer and the Santa Fe Area Home BuildersBuilders Association are the first in the country to
Association (SFAHBA) are raising the bar on greenadopt the 2030 challenge and are seeking to
building standards. They were instrumental in themandate it through policy and codes.
city's adoption of green building codes that are basedThe new Santa Fe building codes establish minimal
on a challenge to build only carbon-neutral homes byand optimal standards in 6 categories:
the year 2030. The SFAHBA has 800 membersSite Impact, which reflects the degree of disturbance
throughout Northern New Mexico.to the land where the home is built. This also includes
Earlier this year Dancer broke ground on a net-zerohow much the site is renewed after construction.
home that will achieve the highest designationsEnergy Efficiency, which factors the net energy use
awarded for green home design and performance.of the house (how much produced minus how much
The Emerald Home, as it is called, is a pilot projectused). A net-zero house produces all its own energy.
that will embody the highest level of the new SantaA higher performing house will produce an abundance
Fe building codes.of electricity, which can be sold back to the gird.
Dancer's design and construction blends the best ofEnergy efficiency is improved by insulation,
new technology and traditional conservation buildingenergy-efficient appliances, energy-saving lighting,
principles in a high-end custom home. (See artist'spassive heating and cooling, renewable energy
rendering.)sources (geothermal, wind, solar), and various energy
Here are but a few design features of The Emeraldconservation techniques.
Home:Resource Efficiency refers to the amount of energy
* All cabinets, wood flooring, tiles and interior doorsused to build the house. This can be ameliorated by
are supplied from salvaged materials.using recycled and salvaged materials, purchasing
* Tiles are made of 100% recycled glass.materials locally (reducing transportation fuel usage),
* Windows are triple glazed heat mirror windowsand using construction methods that minimize energy
with insulated frames.use and environmental impact.
* The home's heat is provided by a geo-thermalWater Efficiency, which can be improved with water
(ground source) heating system.catchment systems, low-flow faucets and shower
* The home features an impressive photovoltaic (PV)heads, low-flow or dual-flush toilettes,
solar electric system including a PV tracker thatdrought-resistant landscaping, and low-water use
follows the sun's trajectory.evaporative cooling systems.
* Skylights are constructed with a solar and gelHealthy Indoor Air Quality, which is influenced by the
technology that will increase the insulating from thetoxicity of building materials used within the house
typical R2 rating to R20.(carpets outgas chemical fumes and cabinets often
* Cellulose wall insulation, made from recycledcontain formaldehyde). Long-term, an air filtration
newspaper, will be used throughout the home.system will ensure that the air inside a well-insulated
* In construction, Dancer will only use framing studshouse will not get stale.
made from recycled scrapwood.Homeowner Education is the final category of building
* The interior walls will themselves be compressedstandards and quite essential. As Dancer says, "You
earth blocks using dirt that is excavated andcan build a zero-energy home, but if the homeowner
manufactured on-site.doesn't understand it, they will quickly lose the
* Wood beams and vigas (often fashioned frombenefits." Homebuilders are required to provide
newly cut Canadian timber) will be made fromspecific instructions to homeowners so that they can
salvaged, hand-hewn beams from Minnesota.understand and properly maintain the home's design
* Cisterns for water catchment will deliver water byfeatures, and most importantly, incorporate
a gravity-feed method, augmented by solar pumps.conservation techniques into their lifestyle.
* Bathrooms will be furnished with dual-flush toilettes,The construction of Dancer's Emerald Home is being
which offer the choice of a lighter or heavier flush.videotaped as part of an online zero energy building
* A hybrid evaporative cooling system will use 1/2course made possible by a United States Green
the water of an ordinary system and divert itsBuilding Council (USGBC) educational grant. This course
back-flush water for outdoor irrigation.will be offered by the Santa Fe Community College
* Absolutely no use of toxic or outgassing materials.will offer in 2009. The city of Santa Fe will also
That includes paint, caulks, sealants, finishes,incorporate the video in an educational program to
adhesives and carpet.teach builders about green building techniques.
* A filtered air exchange system will continuouslyThis home is featured on the internet radio show
bring in fresh air without compromising interiorThe Renewable Minute.