Green Home Building Guidelines For Consumers Help Identify Green Built Homes

Home buyers are enthusiastically embracing green built homes, some altruistically want to protect the planet, most are interested for more practical reasons like energy savings and healthier living environments. The dilemma for consumers is how to identify homes that really are green built.

Green Built Homes by Lexington Luxury Builders Whether you’re a home buyer or a renter looking for a green home, how do you know if a home is truly green built or whether it is green washed? What should you look for? This article, provided by Lexington Luxury Builders will help you identify homes that are truly green, healthier homes, that cost less to operate, and have less of an impact on the environment.

Location: New green homes and neighborhoods must not be built on environmentally sensitive sites like prime farmland, wetlands, and endangered species habitats. The greenest development sites are in-fill properties like former parking lots, rail yards, shopping malls, and factories. Look for compact development where the average housing density is at least six units per acre. Your home should also be within easy walking distance of public transportation – like bus lines, light rail, and subway systems – so you can leave your car at home. Ideally, the home would be within walking distance of parks, schools, and stores. See how many errands you can carry out on a bicycle. That’s healthier for you, your wallet, and the environment. You can investigate the walkability of almost address at Walk Score, a website that promotes the development of walkable neighborhoods.

Size: No matter how many green building elements go into your home, a 5,000-square-foot green home still consumes many more natural resources than a 2,000-square-foot green home. The larger home will also require more heating, air conditioning, and lighting. If you really want a sustainable home, choose a smaller size.

Building Design: The home should be oriented on its site to bring abundant natural daylight into the interior to reduce lighting requirements and to take advantage of any prevailing breezes. Windows, clerestories, skylights, light monitors, light shelves, and other strategies should be used to bring daylight to the interior of the house. The exterior should have shading devices (sunshades, canopies, green screens and—best of all—deciduous trees), particularly on the southern and western facades and over windows and doors, to block hot summer sun. Dual-glaze windows reduce heat gain in summer and heat loss during cold winter months. The roof should be a light-colored, heat-reflecting Energy Star roof, or a green (landscaped) roof, to reduce heat absorption.

Green Building Materials: A green home will have been constructed or renovated with healthy, nontoxic building materials and furnishings, like low- and zero-VOC (volatile organic compound) paints and sealants and nontoxic materials like strawboard for the sub-flooring. Wood-based features should come from rapidly renewable sources like bamboo, but if tropical hardwoods are used, they must be certified by the Forest Stewardship Council. A green home uses salvaged materials like kitchen tiles and materials with significant recycled content.

Insulation: A nontoxic insulation, derived from materials like soy or cotton, with a high R (heat resistance) factor in a home’s walls and roof will help prevent cool air leakage in the summer and warm air leakage in the winter. Another excellent insulation product is Green Cocoon, green fiber insulation, which is recycled cellulose.

Windows and Doors: Windows and exterior doors should be Energy Star rated, and they should seal tightly to avoid heat gain in summer and heat loss in winter.

Energy Efficiency: A green home has energy-efficient lighting, heating, cooling, and water-heating systems. Appliances should be Energy Star rated.

Renewable Energy: Ideally, the home would generate some of its own energy from renewable sources using technologies like photovoltaic systems.

Water Efficiency: A green home has a water-conserving irrigation system and water-efficient kitchen and bathroom fixtures. Look for a rainwater collection and storage system, particularly in drier regions where water is increasingly scarce and expensive.

Indoor Environmental Quality: Natural daylight should reach at least 75 percent of the home’s interior. Natural ventilation (via building orientation, operable windows, fans, wind chimneys, and other strategies) should bring plentiful fresh air inside the house. The HVAC (heating, ventilation, and air conditioning) system should filter incoming air and vent stale air outside. The garage should not have any air-handling equipment or return ducts, and it should have an exhaust fan.

Landscaping: Vine-covered green screens, large canopy trees, and other landscaping should shade exterior walls, as well as the driveway, patios, and other hardscape features, to minimize heat islands. The yard should be landscaped with drought-tolerant plant materials which are native to the geographical area – a practice called xeriscaping – rather than water-guzzling plants and grass.

Learn More. For extensive guides on green building and sustainable development, Lexington Luxury Builders provides Green Initiatives on its website as a resource which is available to its customers and the public alike.

Scott Schaefer, Certified Green Building Professional


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