Older, inefficient commercial rooftop unit (RTU) air conditioning systems are common and can waste from $1,000 to $3,700 per unit annually, depending on the building size and type. By replacing or retrofitting them, you can save money, improve your energy efficiency, make your building more comfortable, and help the environment. The Advanced RTU Campaign (ARC) encourages commercial building owners and operators to replace their old RTUs with more efficient units or to retrofit their RTUs with advanced controls in order to take advantage of these benefits. This website shows updates to the campaign including resources and progress towards the campaign's goal.
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Presentation slides from Design Team Commitment: An Architect's Perspective presentation given at the NASA Net-Zero Energy workshop June 5-6, 2012.
This presentation offers strategies for commissioning and ongoing comissioning of zero energy buildings.
Webinar from March 18, 2010, on how to achieve net-zero energy performance through a performance-based design/build process.