Green Building: What it is and why it matters
Tuesday, June 1st, 2010Green building, sustainability and high-performance homes are now part of the vocabulary of new home construction. We welcome the attention brought to these important issues. As professional builders, however, we take the subject with a grain of salt. Green building is a far more complex topic than that portrayed in the media. News spots or magazine articles typically focus on specific areas like insulated windows, high-efficiency furnaces, roof-mounted solar panels, or recycled-content flooring.
Certainly, those products provide measurable benefits in terms of energy savings and improved use of natural resources, but genuine green building is much more complex. A green builder uses a systematic approach to design, construction, and on-going operational durability in which the sum of the benefits are far greater than the individual components. A green builder also knows how to personalize the green building approach to each homebuyer’s needs and budget, carefully balancing the value that the client places on the benefits of green building as opposed to other choices available for new home construction.
It is true that all homes (and all buildings) leave an environmental "footprint." The materials we builders use in new construction use natural resources, such as trees and metal ores, even oil. The important goals of green building are to reduce the amount of natural resources required to build a house, and then to lessen the amount of energy used by the house. Energy efficiency over the life of the house further reduces the natural resources needed to produce electricity and natural gas.
To achieve those goals, we look for building materials, products, and systems that make the most (or best) use of every resource harvested while also performing better than traditional products. For example, an engineered beam uses smaller, fast-growing trees. Twice as much of each log can be used to make an engineered beam as compared with a comparably sized "glue-lam" beam created in a sawmill. An engineered beam can also span longer, open spaces and resist warp better. A house that is free of even the smallest gaps does not waste energy.
Various green building certification programs are now available to help builders create more sustainable and resource-efficient homes. As we review them, however, we often find that the building practices we already have in place meet or exceed those standards. That’s good news for our homebuyers and owners because it means we’re already providing a high-performance home — i.e., a home with many green features — without adding to the cost or price. Of course, a client may choose to add additional features as budget, needs, and passion for the environment dictate.
With a systematic approach to green or sustainable building, we can build a new home that not only leaves as small an environmental footprint as possible, but also delivers convenience, comfort, safety, and a high level of value.
Does it seem to you that new homes are generally bigger than older ones? If so, your observation is correct. The average new home today is nearly 500 square feet (or 25%) larger than the average house built 20 years ago, and 12% larger than those built in the late 1990s.
"We set out to create a parade home that was both noticeably livable and extremely sustainable, not just a ‘flash in the pan’ for the parade event. Quality of execution and durability of construction were very important in our project programming, providing our homeowner with a functioning building system for years to come. From the very beginning, with site selection, we insisted on a north-facing home site that would allow for the best quality day lighting from the large front windows of the home. Our home site also allowed for the inclusion of a three-kilowatt array of solar panels on the southeast roof plane, which has already offset our electricity usage by 25%. Not only did we achieve the same 5-star rating from Austin Energy Green Building as the other parade homes, but also ours was the only home to be rated for LEED Platinum. From an interior design perspective, the most rewarding feedback we received on our home from parade-goers was constantly and consistently that it ‘felt like home’ or ‘was very comfortable’ right when they walked across our front door threshold. We hope our home proved that contemporary design could still be very inviting, not just minimalist."
Durrett Interests received the coveted "Best Kitchen" award at the 2009 Parade of Homes tour in Mueller presented by the Home Builders Association of Greater Austin. Original design elements such as a concealed butler’s pantry coupled with the inviting slight curve of the sheetrock ceiling created a kitchen that was unique to the parade. Marshall Durrett said that the focus of the kitchen designed by Barley & Pfeiffer Architects was not to simply wow people with all the bells and whistles but for people to truly feel like they are at home.