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DTMB upgrades two historic buildings and receives Energy Star Certification
November 30, 2020
The Michigan Department of Technology Management & Budget (DTMB) has shown that old buildings can be energy efficient, adding Cadillac Place and the George W. Romney Building its list of Energy Star certified facilities.
An Energy Star certification is the gold standard for assessing a building’s energy efficiency. It can be difficult to meet the rigorous standards, especially with historic buildings, which may be using outdated electrical systems, as well as heating, venting, and air conditioning (HVAC) systems.
The changes made at the two state-owned properties are part of an overall effort to reduce energy consumption in DTMB-managed facilities across the state. So far, these facility improvements have resulted in an estimated decrease of $4.3 million dollars per year in utility expenses.
Plans to modernize Cadillac Place, a 1.4 million square foot building in downtown Detroit that was built in 1920 as the headquarters for General Motors, began in spring 2017. Achieving Energy Star certification meant upgrading the 100-year-old building’s HVAC systems, replacing 5,000 steam traps, and increasing energy storage capacity. Additionally, common areas were outfitted with motion sensors to minimize the use of 18,000 new LED lightbulbs.
HVAC units, which contribute to 40 percent of a building’s energy costs, are one of the first areas where energy efficient improvements can be made. Another is to exchange older lightbulbs with new LED lights. A relatively simple transition, these types of bulbs use at least 75 percent less energy and last 25 times longer than traditional incandescent bulbs. Currently, 20 DTMB facilities are completely lit with LED lighting.
The George W. Romney Building in downtown Lansing originally opened in 1926 as a hotel and was sold to the state in 1988. It houses the offices of multiple state agencies. It has undergone various improvements through the years, but the recent addition of variable-frequency drives to regulate the flow of water and air throughout the building will cut energy costs by up to 50 percent. The infrastructure of the Romney Building has also been updated with energy saving controls. The updated network enables the remote monitoring and management of the building’s HVAC, lighting, elevators, and energy metering into one smart computing and network-supported system.
The efforts to make state facilities more energy efficient is an example of state government leading by example to meet Gov. Gretchen Whitmer’s goal of having Michigan become fully carbon neutral by 2050.
Photo Credits:
Photo#1, Cadillac Place (Exterior):
1st Row
Darrin Futch
Dan Harris
Zach Cooper
2nd Row
Maurice Johnson
Bob Walker
John Richmond
Mike Blair
Al Vettese
3rd Row
Mark Montgomery
Glen Sevek
Marge Bustillo
Larry Beck
Photo #2, Cadillac Place (Interior):
1st Row
Marge Bustillo
Dan Harris
Zach Cooper
2nd Row
John Richmond
Mike Blair
Al Vettese
3rd Row
Bob Walker
Glen Sevek
Larry Beck
4th Row
Mark Montgomery
Darrin Futch
Maurice Johnson
Photo #3, Romney Building (Interior):
(L to R) Steven Fox, Vince Warolin, Brady Ruhl, Jeff Howell, Bob Bierwagen, Keyna Court, Ryan Dush, and Brandon Pattison