Architecture Engineering

Leadership in Arizona Architecture & Engineering

At GLHN, we believe our success comes from helping others succeed. Since 1963, we’ve been delivering a full range of innovative, integrated design solutions to clients throughout Arizona and beyond. We thrive on complex design challenges that allow us to apply our creativity and work in partnership with our clients.

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Rainwater Harvesting in Tucson

Implementing Rainwater Harvesting in Tucson By Madeline McCaskill + Joyce Kelly, RA, NCARB, CCP Here in Tucson, water is a sacred resource. Rain often serves as relief for the dry Sonoran Desert but unfortunately Tucson only has two seasons: a monsoon in the summer and smaller scattered storms in the winter. The summer season lasts from July to September and the winter one is in December and January. The driest…

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The Art & Science of Building Enclosure Design Reviews

The Art & Science of Building Enclosure Design Reviews By Joyce Kelly, RA, NCARB, CCP, GLHN + Kelly Rice, Intertek Successful commissioning of a project’s building enclosure requires an intentionally executed design review phase.  This crucial first step in the construction process establishes and reinforces owner expectations. Control layer performance, energy efficiency, indoor air quality, environmental impact, security, operability, durability, and cost are all addressed. The skills required “to establish”…

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Strategic Leadership Transitions

GLHN Marks Anniversary with Strategic Leadership Transitions GLHN proudly announces a series of leadership changes designed to propel the organization into its next chapter of growth and innovation. Dynamic leadership is pivotal in navigating today’s evolving AEC landscape. GLHN is pleased to announce the following executive leadership changes:  Donna Mertes, PE, LEED AP, is promoted to President William Koller, PE, moves into Director of Mechanical Engineering Stanley Yellowhair, PE, moves…

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