Beginning as manager trainee and crewperson, respectively, Tom and Candace Spiel have risen within the ranks of the McDonald’s system to own and operate nine restaurants in southern California. In 2010, they rebuilt their first McDonald’s, which originally opened in 1966. They chose to rebuild it to LEED® Gold standards, incorporating eco-friendly and energy-efficient features.
Rockefeller Center is one of the most recognized commercial properties in the world. Defining midtown Manhattan, Rockefeller Center encompasses the six square blocks between Fifth Avenue and the Avenue of the Americas from 48th to 51st Streets. The landmark property consists of approximately 8 million rentable sq ft in ten buildings with unique, internationally recognized architectural features.
After reviewing basic design options, the next steps for potential geothermal designers are to challenge the common concerns and myths, study how different choices have different cost impacts, and be aware of the ways a good design can yield bad performance if the installation isn’t done well. Add the habit of turning a retrofit’s circumstances to your advantage, and this underground approach can rise above client expectations in short order.
Leakage caused by modern cleaning techniques, evolving codes, increased airflow requirements ... kitchen ventilation design has become more complicated than the old sizing and design challenges. Of course, they’re still around, too. Grease is the word, so review these tips to keep it from popping up in the wrong places.
For the massive 235,000-sq-ft Merrimack County Nursing Home in New Hampshire, the geothermal source available nearby may not have been the fountain of youth, but it did prove key to the center’s “uber-green” mechanical system retrofit. See how the companies involved brought together 16 wells, over 300 water-to-air heat pumps, and the rest of the 615-ton system to serve this 290-bed facility.
Two engineers mine their collective experience for tips on designing, modeling, and operating hydronic radiant heating and cooling systems. From conceptual basics to control nuances, on to goals like maximizing deadband operation or deploying a hybrid system, the article circulates plenty of practical information for an array of radiant opportunities.
Critchfield Mechanical, Inc. an HVAC engineering firm in Menlo Park, CA needed a cost-effective and energy-efficient perimeter zone ventilation solution.
Word of mouth is a potent ingredient in craft brewing, the fastest-growing segment of U.S. beer making. Defined as producers of fewer than 6 million barrels annually, craft brewers tend to share best-practice tips with the same enthusiasm that beer lovers have for the unique brands and flavors they create.
In which the author lays out the path from earlier data center design to a more recently discovered airflow challenge. Read on for his insights on how to keep positive differential pressure from being a negative for your facility’s energy budget.