The Arlington Central Library is one of the County’s energy performance success stories. Since 2000, investments in lighting efficiency retrofits and energy management practices have reduced electricity use at the site by over 40%.
At these Arvada police stations, combining the use of high-performance lighting, envelope, and equipment options yield 32% savings and $6,500 in annual energy cost savings.
By revitalizing the Boisfeuillet Jones - Atlanta Civic Center, the City of Atlanta had the opportunity to turn one of its biggest electricity consumers into an energy-efficient showcase facility. In the face of budget constraints and an outdated building, Atlanta partnered with its utility to implement high-efficiency HVAC, building automation, gas condensing water heaters, and efficient lighting, achieving 37% annual energy savings.
A variety of energy efficiency mechanisms were implemented at the library, including a complete retro-commissioning of the lighting and heating controls, leading to 21% annual energy savings.
Shed Aquarium developed an energy efficiency roadmap to reduce energy consumption by 50% by 2020. Key elements included submetering, enhanced automation systems, energy storage, onsite renewables generation, and various other fixture and system upgrades.
Serving as a replicable model for other fire stations, this project included lighting upgrades, infrared heating in apparatus bays, conservation and employee behavior change, and re-commissioning. Energy savings are 12% annually.
The Alliance Center is a nonprofit multi-tenant office building in a converted century-old warehouse. The Center completed a major renovation to upgrade the failing mechanical systems, mobilize tenant behavior and achieve greater cooperation in reducing unnecessary resource consumption resulting in 17% energy savings annually.
Through a combination of competitive bidding, innovative design, advanced controls sequencing, and attention to hotel guest satisfaction considerations, the Hotel Monaco team compiled a comprehensive suite of impactful retrofit opportunities that save nearly $450,000 in energy costs annually.
This project included lighting retrofits and controls upgrades, solar window film, central plant upgrades, and installation of a facility-wide energy management system. These upgrades significantly improved the indoor environment and save more than $200,000 annually on energy costs.
Fort Worth identified cost-effective efficiency solutions including lighting, air conditioning, enahnced controls, and water system improvements. These measures save 47% energy annually.
The City of Gillette performed a retrocommissioning project at City Hall, identifying opportunities for HVAC system improvement and efficiency as well as boiler upgrades, achieving 24% annual energy savings.
The City of Pittsburgh upgraded its City-County Building in order to reduce operating costs, decrease the City's environmental impact, provide a healthy work envirnment, and maintain the historical integrity of the building. Upgrades included HVAC, steam tunnel, window coverings, repairing the roof's parapet, and replacing existing lighting in corridors. These upgrades are expected to save $190,000 annually.
The City of Hillsboro, Oregon, decided to renovate the Shute Park Library after an assessment identified the need to replace the entire roof, update the insulation, and replace the HVAC system. The renovation resulted in 31% annual energy savings.
The Rose Building made several facility upgrades utilizing the City of Houston's Energy Efficiency Incentive Program to offset 20% of the project costs, including labor and equipment. These lighting, HVAC, and envelope improvements resulted in 23% annual energy savings.
Through lighting, water, HVAC, building automation, variable flow conversion, and energy manager monitoring, this public library saves more than $250,000 annually in energy costs.
Innovating financing models and performance contracting allowed this convention center to undertake a comprehensive energy efficiency upgrade including rooftop solar, new lighting and controls, boiler and HVAC replacements, and an updated energy management system. Altogether the project saves more than $300,000 annually in energy costs.
Advance Paper Box Company incorporated numerous energy efficiency upgrades into its plant renovation, including HVAC, new ductwork, lighting, solar PV array, and a "cool roof." These improvements achieve 16% annual energy savings.
As part of a city-wide energy audit program, the central library was identified for energy efficiency improvements, including conversion of existing pneumatic controls to digital control and installation of new high efficiency chillers, variable frequency drives, and a reflective roof. These upgrades save more than $100,000 in energy costs annually.
Milwaukee's historic Central Library took its first big step toward environmental sustainability with the addition of a 30,000 square foot green roof with a 30KW solar panel system. This effort coupled with the Library's additional energy-efficient facility upgrades are expected to yield $47,000 in annual cost savings.
Through facility improvements to its inefficient mechanical HVAC equipment and lighting systems, Seattle's EMP Museum realized 22% in energy savings and $80,000 in cost savings annually.
Spokane County took a multi-measure approach in creating and implementing its energy efficiency strategy for the Regional Health District Building, which included steam plant decentralization, new boiler and domestic hot water plant, controls and system upgrades, new VAV boxes, garage exhaust control and lighting. Spokane achieved 23% energy savings and $40,000 cost savings annually.
The Sanford-Kimpton Building, housing the Columbia/Boone County Public Health and Human Services Department, received a complete recommissioning of its HVAC systems and lighting retrofits. Upgrades to these systems led to 33% in annual energy savings as well as improved tenant comfort.
The City of Denver implemented comprehensive energy improvements at the Richard T. Castro Building including sealing the building envelope, upgrading the building automation system, installing four new high efficiency boilers, and more. These sustainability improvements yield 36% in annual energy savings.
Spokane County's Community Services Buildings achieved 41% annual energy savings as a result of efficiency upgrades to the building's chiller system and optimizing of the HVAC control systems.
Placer County's Granlibakken Conference Center & Resort identified several cost-effective efficiency measures to implement throughout the conference center and restaurant. The project improved property values with an estimated annual energy cost savings of $44,000.
King County achieved 24% annual energy savings and $107,000 annual cost savings by implementing HVAC and lighting improvements to their aquatic center. Upgrades include heat recovery, a new condensing boiler, energy efficient interior and exterior lighting, and a 100kW solar PV array.
The Boston Public Library’s Central Library in Copley Square was selected to undergo improvements to its significantly outdated energy management system. As a result of these efforts, the facility achieved annual energy savings of 25% and annual cost savings of 11% in less than a year.
In line with the City of Orlando's Mayor’s Greenworks Initiative, the Facilities Management Division decided to retrofit the aging Firehouse 5 to be more energy efficient. Updating the 24-hour facility while it was in operation presented a challenge, but the new insulation, LED lighting and air conditioning units would prove worthwhile in terms of comfort and cost savings.
Identified for Orlando's City-Wide Energy Efficiency Initiative due to its higher energy use Intensity (EUI), upgrades include a solar hot water heater, lighting, HVAC systems, and envelope improvements.
Clark County, NV cut annual energy consumption by 37% at their new fire station with an LED lighting and HVAC upgrade project.
In addition to normal library functions, the South Branch of the Chula Vista Library system provides child literacy programs, tutoring services, passport information, and serves as a County of San Diego Cool Zone for the community. This project included replacing the chillers, upgrading the fan controllers, and replacing the building automation controls, saving the library 26% in energy use.
West Palm Beach retrofitted 6,800 streetlights to more efficient LED and induction technologies, reducing energy use 54% and helping achieve both their Better Buildings Challenge goal and reduce municipal GHG emissions 11%.
On the Georgia Tech Research Institute campus, the TSRB building team implemented a continuous commissioning program to maintain optimum HVAC performance. TSRB reduced it's annual energy cost by 32% and water costs by 9% compared to baseline years, saving more than $123,000 annually.
A cross-functional effort leveraged energy and water efficiency improvements including lighting retrofits, green plumbing and toilet retrofits, fan system upgrades, and the installation of an energy efficient chiller, all of which brought 37% in energy savings and over $1.7 million savings in energy cost.
The Chattanooga Public Library was constructed in 1976, includes 108,500 square feet of conditioned space, and serves over 285,000 patrons annually. The city is executing a three-pronged approach to a major energy-efficiency and revitalization effort for the library, including lighting, HVAC equipment, and digital control upgrades with a 41% projected energy savings.
Arlington County’s Equipment Bureau replaced its HVAC system, performed an LED lighting upgrade, and installed lighting controls to reduce energy consumption. Since implementation, this project has saved nearly 2,500 MMBtu, (34% savings over the baseline), earning $22,000 in annual cost savings.
Placer County, CA has implemented an energy efficiency retrofit to the historic Auburn Courthouse to reduce energy costs and improve occupant comfort. These retrofits have resulted in 30% energy savings through upgrades to lighting, central plant, and window casings.
HVAC and lighting upgrades to the Hall County, GA Courthouse Annex, plus the establishment of a regular maintenance program, showed 47% energy savings, $30,000 in cost savings, and improved building operations control.
As part of an energy savings contract, the Skokie Courthouse in Cook County, IL adopted several energy conservation measures, and is expecting to save approximately 59% in both energy and water costs. Projects included new heat pump systems, VFDs, controls, lighting, and more.
The King County Airport Terminal project is a deep energy retrofit that shows how a modern design approach to mechanical and lighting systems can dramatically reduce energy use, and how older and historic buildings can achieve deep energy reductions and exceed advanced energy code requirements.
Worcester, MA's heating and cooling RTUs in the Department of Inspectional Services were 20 years old and failing. Facing the inevitable cost of replacing non-functioning equipment, the city replaced all four RTUs with energy-efficient units, saving 21% in energy use.
LED lighting retrofits to both court and back of house lighting plus comprehensive HVAC upgrades helped reduce energy use at the first LEED Gold certified NBA facility and achieve nearly $1 million in energy cost savings.
Fault Detection and Diagnostics software performed continuous analysis of the HVAC system, which discovered some operating inefficiencies: simultaneous heating and cooling, over-ventilation of occupied space, and air handlers operating during unoccupied periods. The Facilities Department then developed energy conservation measures (ECMs), and conducted a retro-commissioning of the Public Safety Building, showing 32% energy savings.
Utilizing funding available through the DOE Energy Efficiency and Conservation Block Grant program, Rochester's Sister Cities Municipal Parking Garage upgraded its lighting system resulting in 36% annual electricity savings and $33,000 in annual cost savings.
King County, WA has targeted their trails maintenance complex for zero energy via lighting and HVAC retrofits, plus a rooftop solar PV system, reducing energy use by 35%.