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Next Generation Machine-Roomless Elevators

Format On Demand: Article/Print
Offered by McGraw Hill Construction
Category Other

Vertical transportation, which has been part of the building environment since the 1850s, has recently seen some significant advancements. One of the most recent, introduced in the 1990s, is machine-roomless (MRL) technology, named for its ability to dispense with the traditional elevator machine room. Based on the first major breakthrough in lifting technology in nearly 100 years, MRL technology continues to evolve, offering even greater design freedom for architects, revenue-producing building space, and savings in construction and operational costs.

As owners increasingly demand energy savings, lower carbon footprints, and U.S. Green Building Council LEED certifications, architects should understand how MRLs can contribute to those goals as well. This article will explain the latest advances in MRLs, their advantages over conventional elevators, and highlight the features that make for the greenest MRLs. Escalators will also be discussed in terms of what elements architects should look for in specifying the most energy efficient systems.


1. Explain the features and benefits of the latest machine-roomless elevators.
2. Discuss the greenest technology options for elevators and escalators.
3. Evaluate the differences in energy efficiency between green and conventional products.
4. Recognize the contributions MRL technology can make to LEED credits.

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CE Hours 1.0
AIA/CES (LU) 1.0