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Read moreYes. Look for locally-produced, VOC-free furnishings and finishes Both carpeting and furniture can degrade indoor air quality if they are manufactured or finished with materials that emit noxious chemicals, a process called off-gassing. Common sources of indoor air pollution are particleboard, medium-density fiberboard and other panel products manufactured with a resin called ureaformaldehyde. The resin is inexpensive but it off-gasses […]
Read moreLandscapes that thrive without water In a nutshell, xeriscape is an approach to landscaping and gardening that conserves water and otherwise uses site resources appropriately. The phrase, coined by Denver’s municipal water department, combines the Greek word for “dry” with landscape. Among other things, xeriscape encourages careful planning, efficient irrigation, soil improvements, the use of mulches and choosing appropriate plants […]
Read moreAnyone can build green, but better builders find the transition easier In theory, any contractor could build a green house because the step-by-step process isn’t dramatically different from the ones used for building any other kind of house. It’s not like asking a lawyer to dig clams.But in practice, there is a learning curve. Builders need an appreciation for at […]
Read moreNo — A single feature cannot make a house green. Solar panels—which can provide electricity or hot water—are essential components of renewable energy systems and epitomize the goals of sustainable building. But they are not prerequisites for green building. Remember that green building covers dozens of areas, touching on everything from site selection and heating systems to interior finishes and […]
Read moreTo a point, yes. Some parts of the structure are going to be tough to change. The foundation, framing, wiring and plumbing all are components integral to the house. Although an unlimited renovation budget opens all kinds of doors, altering these parts of the house can be very expensive and beyond the means of many homeowners. That said, there are […]
Read moreOne word: Waste. It would be ridiculous to suggest that every house constructed in advance of the green-building boom is substandard, although some of them clearly are.There are many New England farmhouses entering their third century of service that are still sound, even if they are a little drafty. There also are houses 10 or 20 years old that have […]
Read moreA contentious issue with a definitive answer: “It depends.” There’s no doubt that houses have been getting bigger. The U.S. Census Bureau reports that 26 percent of all new single-family houses built in 2007 were 3,000 square feet or larger. In some prosperous markets a 10,000-squaref-foot house doesn’t raise any eyebrows. Even with all the sustainable features known to man, […]
Read moreAbsolutely. Green houses are tighter than regular houses, so indoor air quality can be compromised by products and materials that off gas. Here are a few suggestions: Paints and stains with high levels of VOCs(volatile organic compounds). Generally speaking, oil-based finishes have higherVOC levels than do water-based products. Carpeting that that does not carry the Carpet and Rug Institute’s Green Label or Green Label […]
Read moreKnowing something about building science helps, yes. Builders who are just starting to dive into green building will need a grasp of basic techniques: how to make sure the building envelope is tight, the pitfalls of sloppy HVAC installations, how much insulation to install and which types work best, how to install windows and doors so they don’t leak, what kind of roofing […]
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