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Integrative design makes big savings cheaper than small savings

Switching to integrative design requires architects, engineers, contractors, and owners to collaborate more effectively. It demands that designers make end runs around entrenched practices. Asking different design questions in a different order--while still applying standard engineering principles, often leads to a better answer.

One of the most common and valuable consequence of integrative design is shrinking or even eliminate mechanical equipment—an idea called “right-sizing.” Coupled with right-timing, it can yield even more surprising economics.

Energy use savings for integrative design cases (new residential)

The savings achieved through integrative design vary by case, but all are significant. The performance and baseline for 13 new construction residential case studies are included here and can be compared to the average physical energy use intensity for new residential buildings in the EIA’s Annual Energy Outlook 2010.

 

Energy use savings for integrative design cases (existing residential)

The savings achieved through integrative design vary by case, but all are significant. The performance and baseline for six residential retrofit case studies are included here and can be compared to the average physical energy use intensity for new residential buildings in the EIA’s Annual Energy Outlook 2010.

 

Energy use savings for integrative design cases (new commercial)

The savings achieved through integrative design vary by case, but all are significant. The performance and baseline for 11 new commercial construction case studies are included here and can be compared to the average physical energy use intensity for new residential buildings in the EIA’s Annual Energy Outlook 2010.
 

Energy use savings for integrative design cases (existing commercial)

The savings achieved through integrative design vary by case, but all are significant. The performance and baseline for 11 commercial retrofit case studies are included here and can be compared to the average physical energy use intensity for new residential buildings in the EIA’s Annual Energy Outlook 2010.

 

Ranges for integrative design energy efficiency potential in buildings sector

Our analysis revealed that leveraging the best practices in integrative design in new construction and retrofits for both commercial and residential buildings can generate savings that range from 42% to 87% below business-as-usual energy demand.

 

Integrative design cases: performance and costs

The costs of saving energy via integrative design vary widely. This scatterplot compares the physical energy use intensity of integrative design cases to the cost of conserved energy for these projects. In some cases, integrative design yields greater savings than standard design with no (or sometimes negative) incremental cost. In other cases, the building may have a significant cost premium. 
 

10xe case studies

Integrative design video

Integrative design: a disruptive source of expanding returns to investments in energy efficiency

 
 
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