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Before construction:
Design analysis of a new home or remodel falls into two categories. In the first, the proposed design in modeled using state of the art computer programs to quickly identify the most cost-effective, energy-saving measures to take in designing a low-energy building.
A whole-building analysis is performed, evaluating the energy and cost savings that can be achieved by applying energy-efficient strategies such as daylighting, passive solar heating, and high-performance windows and lighting systems. Using the software at the early phases of design can result in energy savings of 40% to 70%, with little or no increase in construction cost.
In the second category new building plans are analyzed to identify simple changes that can lead to significant energy savings. These changes include such things as enhanced insulation, avoiding thermal bridges, sealing at key interfaces during construction (for instance between the bottom wall plate and the concreter slab), and details around windows and doors where significant energy can be lost. Even the orientation of the building can be enhanced to save considerable amounts of energy for heating and cooling.
During construction:
We can perform field audits at key points during the construction process to ensure that energy-saving features are being appropriately included. Many of the these features, even though they are relatively simple, are not familiar to members of the building trades. A little guidance along the way can save considerable energy during the life of the building.
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