So you're building a new home and want to make it supremely green. Think you know what it takes to construct a house that can get earn LEED certification? Take our quiz and find out!
Which of the following is NOT one of the nine areas of green practices that LEED covers?
carbon footprint reduction
LEED guidelines focus on reducing carbon footprint, but they include carbon reduction under the "energy and atmosphere" category. Along with water efficiency and regional priority, the guidelines cover sustainable sites, materials and resources, indoor environmental quality, locations and linkages, awareness and education, and innovation in design.
Which of these states has its own regionally specific credits for green practices, as defined under the new LEED v3?
all of the above
Each of the 50 states has its own regionally specific credits, which are selected depending on special environmental needs for those states. Puerto Rico, the U.S. Virgin Islands and international territories also have their own credits. So no matter where you live, your house can qualify under the LEED program.
True or False: The LEED program covers the indoor air quality of a building.
It might seem to be outside of the purview of a program focused on helping the environment, but LEED offers certification credits for buildings that keep internal air clean and comfortable. Healthy air equals healthy homeowners, according to the USGBC.
an area on a property where plants and trees cannot be cut down
Under LEED guidelines, a "no disturbance zone" is a special part of the property where no trees or plants can be removed. For new construction, the zone can be an area where new foliage is planted. Luckily for wildlife, though, LEED does award points for buildings that steer clear of endangered habitats.
an area on a property where wildlife cannot be hunted
What percentage of the yard must be dedicated to a "no disturbance zone" to get a credit under the LEED guidelines?
at least 80 percent
at least 40 percent
At least 40 percent of a yard needs to be set aside for plants and trees to grow to take full advantage of LEED certification credits. Areas underneath the roof and eaves of the house cannot count toward the 40 percent.
How close should a LEED home be to existing water and sewer lines to claim certification credit?
within one-half mile
To claim this particular credit, LEED homes need to be built within one-half a mile of existing water and sewer infrastructure. Building houses close to existing water lines reduces the amount of disruption to the soil and plant life required to put in new utilities.
As a prerequisite for certification, all LEED homes must meet minimum requirements under which other energy standard?
The EPA's ENERGY STAR standards award a special status to homes that are 20 to 30 percent more energy efficient than the average home, and LEED uses those energy standards as the baseline for its own efficiency requirements. Homes can earn additional points when they exceed ENERGY STAR.
True or False: A builder can earn LEED points for a building when he or she educates its tenants or buyers on green living.
True. The USGBC doesn't want to award a certification for a building, only for it to be sold to someone who leaves the water running all day, cancelling out the environmental benefits of the property. So, builders or owners who sell or rent a certified property can claim points for making efforts to teach the new residents how to use a LEED home to its full green potential.
What is the maximum percentage of a new construction's budget that can be spent on wasted materials, under LEED guidelines?
Out of all the money spent on building materials, 8.3 percent -- at most -- can be spent on materials that go to waste. Of course, LEED credits are available for builders who go above and beyond that maximum in their attempt to limit wasted construction materials.
the tendency of urban areas to be hotter than rural areas, because of heat absorbed by stone, concrete, roofing material and metal
Because urban areas tend to absorb more sunlight and heat up quickly, LEED guidelines provide credits for builders who make efforts to reduce the effect on their green properties. The increased heat of urban areas results in more energy being used to keep the inside of buildings cool during the summer.
the tendency of urban areas to be hotter than rural areas, because of the concentrated body heat of city residents
It refers to a material that reflects more sunlight than it absorbs.
"High-albedo" is a term that describes any substance that reflects most of the light that hits it. High-albedo materials are useful in green construction and LEED certification, because they reduce the urban heat island effect.
It means that the water coming from a home's pipes is too toxic to be consumed.
It describes a LEED building that has the highest certification level.
Green is not always good when it comes to the environment. Conventional turf, or any typical grass lawn, requires a large amount of mowing and water to maintain. So, LEED guidelines award points for homes that use less grass than materials like mulch and plantings. The less grass, the more points are awarded.
a synthetic type of grass
a type of grass that is more environmentally friendly
water that is recycled from drains, washing machines and showers
Gray water, or re-filtered water that is recycled from showers, sink drains and gutters, can be reused for irrigation. LEED guidelines award points for homes that have gray-water recycling systems installed.
True or False: LEED gives no points for environmental improvements that aren't outlined in the standards.
False. LEED guidelines provide up to six bonus certification points for green design features that go above and beyond the standards the USGBC has outlined. Many builders hire LEED experts to help them score these bonus points.
How many gallons per flush must a LEED home's toilets use?
There is no firm requirement.
Unlike businesses, which must meet strict water use thresholds for all toilets they install, homes don't need to meet any requirements for toilet water consumption to get LEED certified. But the program does have credit points that can be awarded when homes use toilets and other fixtures that conserve water.
True or False: To be certified, LEED homes must be subjected to a process called "commissioning" to make sure they are using energy efficiently.
False. The intense commissioning process is only necessary for businesses, which have much more extensive energy use needs than the typical home. Homes need only meet ENERGY STAR requirements to be eligible for LEED certification.
True or False: LEED-certified homes cannot contain fireplaces.
While home builders can take credit points for not installing fireplaces into homes, having a fireplace is not a deal breaker for LEED certification. Even if a home does have a fireplace, it can still qualify for some additional points if it meets certain emissions standards.