Mechanical Engineering Department Promotions

GLHN is pleased to announce some exciting changes in our Mechanical Engineering Department.  Effective May 4th, Douglas Stingelin, PE, QCxP, LEED AP, has taken over the position of Director of Mechanical Engineering from Henry Johnstone.  Doug has been with the firm for 14 years and has led the development of an exceptional Commissioning team.  Henry […]

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Good Scout Awards Luncheon

The Construction Industry’s 19th Annual Good Scout Awards Luncheon was held on April 26th at the Tucson Convention Center to celebrate exemplary members of the community. This year the event honored Buck O’Rielly with a Lifetime Achievement Award, Shelene Taylor with a Distinguished Citizen Award and Fletcher McCusker with the Good Scout Award.  Cloriza Lomeli, […]

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APPA to Form Arizona State Chapter

APPA, the International Association for Facilities Professionals, has recognized the need to bring its educational sessions, training and networking opportunities to the local level.  Chris Kopach, APPA President, is spearheading the formation of a new Arizona branch.  “One of my goals as APPA President is harnessing and transferring the knowledge of our senior leaders.  Facilities […]

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Addressing Fluctuations in Campus Heating Requirements

The University of Arizona operates and maintains a campus steam production and distribution system serving over 130 buildings, with a generating capacity of over 320,000 lb/hr of saturated 100 psig steam. The campus is comprised of many building types and uses including a Level I trauma hospital, research laboratories, classroom/office buildings, large auditorium spaces, student […]

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Festival of Books Celebrates 10 Year Anniversary

INDUSTRY EVENT On the second weekend of March, the Tucson Festival of Books celebrated their 10 year anniversary. Held on the University of Arizona campus, the event brings a bounty of authors, books, and activities for readers of all ages. GLHN has been a supporter since the beginning, providing clean up volunteers and then developing […]

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Spending for Utility Development Plan Pays Off

A Utility Development Plan (UDP) is a comprehensive and interactive long range planning process encompassing some or all campus utilities.  It is a living document with the purpose of establishing an effective method to identify, prioritize, and define projects and estimated costs for immediate and future needs.  Stage 1 of the process is Problem Definition […]

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GLHN Supports Tri-U Event

GLHN was invited to present at the Tri-University Facilities Meeting held February 7-8 in Tempe and hosted by Arizona State University. Mechanical Engineers Henry Johnstone, Davin Wang, and Jon Ziegler, along with Electrical Engineer Ted Moeller, shared information regarding the importance of developing a campus-wide Utility Development Plan (UDP). Their talk covered the purpose and […]

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Delivering Smiles On Valentine’s Day

In what has become an annual tradition, GLHN delivered flowers to our local clients and partners on Valentine’s Day.  Armed with more than 65 bouquets, Associate Director of Business Development, Cloriza Lomeli, and retired president Bill Nelson, spent the morning visiting and providing a little dose of happiness.  The tradition began in 1998 when presenting […]

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Carl Kilgore Promoted to Department Manager

We are proud to announce that effective February 1, 2018, Carl Kilgore, AIA has been promoted to Architectural Department Manager. Carl has been with GLHN since 2013 and is highly regarded for his forward thinking and early adoption of new technologies.  He is Chair of GLHN’s BIM/CADD User Group and the moderator for several LinkedIn […]

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GLHN Welcomes New Architect

GLHN is thrilled to announce the addition of Erin Price to our team! Erin is a graduate of the University of Arizona and a registered architect. She brings 14 years of design and management experience with a strong background in commercial and healthcare projects.  Erin is focused on designing with the end in mind, combining […]

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Getting the Full Picture

GLHN thrives on embracing new technologies in the design industry. For example, we were one of the first local firms to implement BIM 3-D technology for the benefit of our clients. Our firm recently purchased a Matterport 360 degree camera that can scan and photograph any space. Particularly helpful during renovation projects, we use it […]

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Designing HVAC Systems to meet the Climate of the Future

How significant are recent and forecasted climate trends to the practical design of HVAC systems in the Southwest? That is a mouthful and a good question! Henry Johnstone, PE, President and Director of Mechanical Engineer at GLHN presented on this topic to the ASHRAE Tucson Chapter. He shared historical data that included trends dating back […]

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Ready Set Smile! PCC Dental Clinic Opens

Pima Community College’s renovated Dental Clinic is up and running, providing low-cost dental hygiene services to adults and children of all ages during the fall and spring semesters. GLHN provided design services to the college to update and expand the clinic from 13 dental chairs to 23 while adding a comfortable waiting room that “looks […]

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GLHN Supports Community Diaper Bank

This year our GLHN family collected enough diapers to cover over 1,000 bottoms and donated them to the Diaper Bank of Southern Arizona. The diaper need in Southern Arizona is roughly 2 million diapers annually. In addition to diapers of all sizes, the organization also accepts cash donations. For every dollar donated, they are able […]

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Making it All Work at Rillito Park

GLHN was thrilled to be selected to improve one of Pima County’s most interesting parks. Founded in 1943, Rillito Park was originally built as a Quarter Horse racing venue and is listed on the National Register of Historic Places. Sometime later soccer fields were built on adjacent property along with restrooms and a small parking […]

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Jolly + Jolly + Kelly Win Lighting Award

GLHN is proud to announce that John Jolly, Justin Jolly, and Joyce Kelly were presented with Awards of Merit by the Illuminating Engineering Society (IES) for their lighting design for the University of Arizona’s Environment and Natural Resources 2 (ENR2). The LEED Platinum facility is configured as two, five-story rectilinear buildings united by an open […]

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Selecting the Right Turf for Your Field

Selecting the proper turf for a field

It would seem artificial turf would be a no-brainer in the desert southwest where water is a limited resource. However, in addition to higher installation costs, artificial turf has some disadvantages that might make natural grass fields more sustainable. Natural turf fields are less expensive to install and provide a cooler playing surface. However, that […]

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GLHN Welcomes New Architect

GLHN is pleased to announce the addition of Sharon Lew to our expanding Architecture Department.  Sharon is an award-winning architect with a diverse international background. As an Architect Assistant at Taoho Design, she was part of the team that won the Hong Kong Institute of Architects Award of Merit.  Sharon also traveled to Kenya to […]

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GLHN Presents at Lunch + LEED

A team of GLHN sustainability experts presented at the U.S. Green Building Council AZ Lunch + LEED program held at the Environment and Natural Resources 2 building on the UA campus.  Henry Johnstone, PE, Stanley Yellowhair, LEED-AP, BESA, and Joyce Kelly, LEED BD+C discussed the LEED Platinum building as a case study for sustainability.  The […]

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Holiday Kid’s Party Fun for All Ages

On Saturday, December 16th, GLHN’s special projects meeting room was transformed into Santa’s Bakeshop during a holiday children’s party.  Young and old alike enjoyed decorating cookies with rich icing and candied sprinkles.  After covering themselves in frosting, many of the guests chose to build their own ornaments from kits provided by their hosts.  Those with […]

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