Green Building Guidelines
Green building guidelines involve many different approaches in design, building and waste management. The 90/10 rule applies here in that about 90% of what can be accomplished is set by the initial 10% of work in the design stage. Even minimal changes can achieve significant energy savings and reduced material waste. It’s best to do what you can rather than think that to be “green” you must apply every principle to every job.
Six Important Green CategoriesThe NAHB’s National Green Building Standard (see below) references six categories that are important:Although there are more than 60 local organizations that have established their own criteria for green building, the two main guidelines are those used by the U.S. Green Building Council’s LEED Program (Leadership in Energy and Environmental Design) and the National Association of Home Builders (NAHB) National Green Building Standard. Both of these set out design and green building guidelines to ensure maximum energy efficiency, air and water quality and responsible use of resources. Of the two, the NAHB’s National Green Building Standard is reported to be a little easier to negotiate as far as paperwork and is quite flexible. Three years ago the NAHB released their Model Green Home Building Guidelines and used this to test approaches for their National Green Building Standard which has been updated to include changes in the International Residential Code. Energy Star Program
The federal government has the
Energy Star
for homes program. It’s a voluntary energy performance certification based on reducing energy use by 15% from the 2004 International Residential Code. The Energy Star for Homes program is very useful although it is limited to energy use and doesn’t address many of the other categories that the LEED and National Green Building Standard involve.
Two Primary ApproachesThe two main approaches addressed by the green building guidelines that yield maximum results are:
Be sure your appliances, fixtures and mechanical systems are Energy Star rated. For a comprehensive reference check out the book “Green Building Products: The GreenSpec Guide to Residential Building Materials”. It’s important to realize that the house is a complete, linked environment and all its components interact with each other. By changing one thing you will affect others and you must design and select items with this in mind. Air infiltration is one big area where builders may try to build a tighter house but in the process reduce air changes that are necessary for healthy indoor air quality.
Design Areas for EfficiencyReferring back to the 90/10 rule: Some significant areas that are determined early on in the design are:
Four Main MistakesExperts say the four mistakes that have the most effect on energy consumption are:
Addressing water usage can be as simple as selecting dual flush toilets, front-load washing machines which use less water and low-volume dishwashers. More information can be obtained from the
Green Building Initiative.
As you can see, following green building guidelines does not mean necessarily cutting-edge, expensive changes. The best building practices create a
high-performance home
which is comfortable, doesn’t squander resources and takes a long-distance view of energy efficiency. Return from Green Building Guidelines to Green Building page |
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