A quiet learning environment, consistent comfort, and energy efficiency topped the list of requirements at Northbrook Junior High School in selecting chillers as part of a $1.88 million life-safety improvement renovation project. The two-story, 135,000-sq- ft school was originally built in 1958 and now serves 650 students in grades six through eight. The renovation project included replacement of all heating and cooling system components.
Although it’s the second-oldest college in America, the College of William & Mary boasts the oldest college building in the United States, the Sir Christopher Wren Building, which was built in 1695 before the founding of nearby Williamsburg, VA. Now fast-forward to the 1960s, when the college expanded to accommodate Baby Boom students.
Wood pellet boilers were a key innovative component of the recent $4.7 million upgrade at the Ketchikan Federal Building in Ketchikan, AK. The 1930s-era, six-story building had a 47-yr-old steam boiler system that was at the end of its useful life and was providing inconsistent heat to the building.
Whether at work or in our personal lives, we all try to be smart shoppers. We’ll go that extra mile to save a few percent on upfront purchase costs but every so often miss the big picture by not taking total cost of ownership (TCO) into account.
Last September, on what would normally have been a mild autumn day, Southern California was blasted by a record-breaking heat wave with temperatures spiraling upwards to 116°F in the Los Angeles basin. The heat was far above the normal highs, which would typically be in the mid-70s.
Located in this city’s famous Loop commercial center, the 600-foot-tall Chicago Board of Trade Building (CBOT) houses the world’s oldest futures and options exchange. Until recently, the building also housed a pair of aging built-up systems that were beginning to worry management.
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue