Procure Products
in the Green Procurement CompilationLearn & Plan Topics
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Indoor Environmental Quality (IEQ)
Indoor Environmental Quality (IEQ) is most simply described as the conditions inside the building. It includes air quality, but also access to da...
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Energy & Atmosphere
Buildings and facilities rely on the operation of mechanical systems and electrical systems to maintain a high level of indoor environmental qual...
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Water Efficiency
Buildings are significant users of the Earth’s freshwater supply. The goal of a responsible building operator should be to encourage a sma...
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Sustainable Sites
Choosing a building's site and managing that site during construction are important to ensure a project's sustainability. Environmentally responsibl... -
Building Heating, Ventilation, and Air Conditioning (HVAC)
Heating, ventilation, and air conditioning (HVAC) accounts for approximately 44% of commercial building energy use.Source: U.S.... -
Materials, Furniture, and Furnishings Replacement
Daily wear and tear means that materials, furniture and furnishings require periodic replacement.
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Building Systems Upgrades
This page details Sustainable Strategies to consider as your space undergoes a building system upgrade to improve energy, water use, and occupant co... -
Building Operations and Maintenance Services
Follow these sustainable strategies as your space renovations are complete and the building and interiors are operated in an environmentally sustai... -
Best Practices & Case Studies
One of the best ways to learn and make the case for high-performance building innovations is to point to others’ experience in implementing th... -
Enhancing Health with Indoor Air
Four key levers to enhance health and performance by improving indoor air. -
Building Selection
A variety of physical building characteristics and operations policies should be evaluated for compliance with and support of the spaces’ heal...
Green Products
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Fertilizers
in Landscaping Products -
Industrial Process Air Conditioning
in HVAC/Mechanical -
Light Commercial Heating and Cooling
in HVAC/Mechanical -
Air Conditioning, Room
in Appliances -
Air Conditioning, Room
in HVAC/Mechanical -
Air Conditioning, Central
in HVAC/Mechanical -
Cooler, Indirect Evaporative
in HVAC/Mechanical -
Ductless Heating and Cooling
in HVAC/Mechanical -
Liquid Applied Solar-control Films
in Construction Materials -
Heat Pumps, Air-Source
in HVAC/Mechanical -
Ceiling Fans
in Lighting and Ceiling Fans -
Commercial Ice Makers
in Appliances -
Commercial Ice Makers
in Cafeteria Products -
Commercial Ice Makers
in Building Furnishings -
Fluid-Filled Transformers
in Miscellaneous -
Commercial Gas Water Heaters
in HVAC/Mechanical -
Heat Pumps, Geothermal or Ground-Source
in HVAC/Mechanical -
Heat Transfer Fluids
in Lube, Oil, Hydraulic Fluid, & Grease -
Light Commercial Heating and Cooling
in HVAC/Mechanical -
Metalworking Fluids: General Purpose Soluble, Semi-Synthetic, and Synthetics Oils
in Lube, Oil, Hydraulic Fluid, & Grease -
Metalworking Fluids: High Performance Soluble, Semi-Synthetic, and Synthetics Oils
in Lube, Oil, Hydraulic Fluid, & Grease -
Metalworking Fluids: Straight Oils
in Lube, Oil, Hydraulic Fluid, & Grease -
Fluid-Filled Transformers: Synthetic Ester-Based
in Miscellaneous -
Fluid-Filled Transformers: Vegetable Oil-Based
in Miscellaneous -
Metalworking Fluids
in Lube, Oil, Hydraulic Fluid, & Grease -
Commercial Ice Makers: Air-Cooled
in Building Furnishings -
Commercial Ice Makers: Air-Cooled
in Cafeteria Products -
Commercial Ice Makers: Air-Cooled
in Appliances -
Commercial Ice Makers: Water-Cooled
in Appliances -
Commercial Ice Makers: Water-Cooled
in Cafeteria Products -
Commercial Ice Makers: Water-Cooled
in Building Furnishings -
Air Conditioning, Central
in HVAC/Mechanical -
Chillers: Air-Cooled Chillers
in HVAC/Mechanical -
Chillers: Water-Cooled Chillers
in HVAC/Mechanical -
Wireless Sensor Networks
in Office Electronics -
Clothes Dryers
in Appliances -
Ductless Heating and Cooling
in HVAC/Mechanical -
Photovoltaic-Thermal (PV-T) Hybrid Solar Systems
in Construction Materials -
Photovoltaic-Thermal (PV-T) Hybrid Solar Systems
in Renewable Energy -
Liquid Applied Solar-control Films
in Construction Materials
Search by these terms
Whole Building Systems
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Water - DOE | Cooling Tower Water Efficiency Fact Sheet
https://www1.eere.energy.gov/femp/pdfs/waterfs_coolingtowers.pdf
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Water - Single Pass Cooling Equipment
Single-pass (or once-through) cooling equipment uses water for only one cycle before subsequently discharging it. Examples of this equipment include...
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Water - Cooling Tower
Water leaves the cooling tower system through evaporation, blow-downdrift, and basin leaks and overflows, and therefore has to be replaced. Since co...
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HVAC - Green Tips and Strategies
Test, adjust, and balance airside systems to ensure that your system is not over-cooling or under-cooling certain spaces due to improper air volume ...
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HVAC - Green Tips and Strategies
Prevent scale formation in cooling towers.
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HVAC - WEc3
Cooling Tower Water Use
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HVAC - WEc3
Cooling Tower Water Use
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Water - WEc3
Cooling Tower Water Use
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Water - WEc3
Cooling Tower Water Use
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Water - Example Water-specific Questions from Green Globes New Construction
If cooling towers are to be used, will they have water-conserving features?
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Water - Green Globes for Existing Buildings
Does the building use once-through water-cooled units?
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HVAC - Water Use
HVAC components, particularly cooling towers, steam systems, and humidifiers, are responsible for large amounts of water consumption in our building...
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HVAC - Example Questions
Is the building sited and oriented to optimize the effect of microclimatic conditions for heating and cooling?
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Water - Green Tips
Use alternate non-potable water sources such as gray water, rainwater, air handling unit condensate, cooling tower blow-down or discharge from other...
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IEQ - Green Globes for Existing Buildings
Are air intakes located far from sources of pollution such as parking areas, bus stops, cooling towers or stagnant water?
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IEQ - Green Globes for Existing Buildings
Is there a program of regular maintenance and cleaning of the cooling towers that includes monthly inspection for evidence of mold or slime?
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Lighting - Mechanical Engineer
The mechanical engineer will size the heating and cooling equipment based on both internal heat loads and heat loss through the building envelope. ...
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Water - Corrosion and Water Quality
Water contaminants in mechanical process equipment can form deposits, scales, or carryover if not properly expelled through blow-down. These deposit...
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Water - Case4
Finding: $30,000 in reduced wastewater fees from reclaiming cooling pond water.Scope: Pacific Northwest National Lab: BMP 4/5Source: http://energy.g...
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Water - LEED O+M: Existing Buildings (v4)
Leadership in Environmental and Energy Design (LEED) for Building Operations and Maintenance (O+M) dedicates certification credits to reducing the b...
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Planted Roof - Energy Use Reduction
Planted roofs reduce building energy use by cooling roofs and providing shading, thermal mass and insulation. Building-Level Energy Reduction The ...
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Water - Conservation Measures
Commercial buildings have significant opportunities to conserve the quantity of water needed for daily operations through thoughtful design of the b...
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HVAC - System Adjustments
The most frequently cited measures/opportunities are: Adjust reset and set-back temperatures and temperature settings – Settings are often adjust...
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Water - System Overview
Typical Federal Office Building Potable Water UseA typical Federal office building with 200 employees uses about 3,000 gallons of water in one day...
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HVAC - Mechanical Engineer
The mechanical engineer is responsible for sizing the heating and cooling equipment based on both internal heat loads and heat loss through the buil...
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HVAC - Lighting Engineer
The lighting engineer ultimately determines the power used by the lighting system. The engineer’s equipment selection also affects how much of this ...
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HVAC - System Specific Maintenance
The Federal Energy Management Program’s guide Operations & Maintenance Best Practices has detailed guidance and checklists on the maintena...
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HVAC - Green Globes for Existing Buildings
Green Globes for Existing Buildings encourages the proper maintenance of not only HVAC equipment but also building elements that have an impact on h...
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Water - Green Globes New Construction
A sustainable water system is directly addressed in Green Globes New Construction certification system in the categories of project management, site...
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Water - Green Globes for Existing Buildings
Green Globes for Existing Buildings encourages cognitive implementation and metering of water heating equipment for energy efficiency measures. With...
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IEQ - Green Globes for Existing Buildings (EB)
Green Globes for Existing Buildings addresses a healthy indoor environment through questions pertaining to the ventilation system, filtration system...
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Planted Roof - Air Cleansing
Planted roofs contribute to improved air quality by capturing greenhouse gases, particulates, pollens, and molds. The vegetation on a planted roof c...
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Lighting - Optimize Daylighting
Large windows can provide daylight to interior spaces, but the daylight can be best used when complementary technologies are employed. Lighting cont...
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HVAC - Architect
The architect has as much or more impact on the HVAC system than any other member of the integrative team. An architect’s decisions - the building ...
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HVAC - HVAC Impact on Humans
Providing high quality thermal and ventilation comfort as part of Indoor Environmental Quality (IEQ) in commercial offices is a high priority for fe...
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Water - Water Harvesting (Water Catchment Systems)
Harvesting systems capture alternate water sources, provide adequate treatment typically for non-potable applications to offset the consumption of p...
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Planted Roof - System Overview
A “roof over our heads” is an essential part of a building envelope, protecting occupants and building structures and systems from the e...
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Planted Roof - Urban Smog
Fewer emissions and the cooling of ambient air temperatures reduce the potential for ground-level ozone production. Reduced concentrations of pollut...
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Water - Alternate Water Sources
Alternate water sources are not from freshwater such as surface or groundwater. Alternate water is typically collected and stored on-site and then ...
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Water - Health
Leaks in the water system, if left unidentified and untreated, can serve as a catalyst for mold growth within the building space. Prolonged exposure...
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Water - Leaks
On average, ten percent of the total water supplied by utility companies is lost due to leakage within the building.1 Identifying leaks early preven...
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Planted Roof - LEED BD+C: New Construction (v4)
While there is no unique credit that specifically addresses the construction of planted roofs, LEED for Building Design and Construction (LEED BD+C)...
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Planted Roof - Ocean Acidification and Sea Level Rise
If all of the ice located at the poles were to melt today, global sea levels would rise by 220 feet. Although this is unlikely to occur soon, scient...
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Lighting - Lighting Impact on Occupants
Lighting Ecosystem Lighting in the workplace can be better understood as an ecosystem that includes lighting design as just one component of a netw...
Materials
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Overhead Air Distribution
Overhead air distribution is the most common approach to mixing and delivering conditioned air to a space, though the delivery method can vary from ... -
Under Floor Air Distribution
Under floor air distribution systems supply conditioned air to an occupied space via diffusers in a raised floor. This system effectively maintains... -
Thermostat
A thermostat is a component of the HVAC controls system. Detection and communication of the space temperature is a critical component of overall HV... -
Reach in Refrigeration
Refrigerated cooler units can house chilled beverages, salads, and other pre-packaged foods. Units with doors are more efficient than those that ar... -
Salad Bar
Open display counters often house salad components, pre-made items, and ingredients for made-to-order items (see also Hot Food Service). Select equ... -
Cool Food Prep Area
Surfaces used for food preparation should be easy to clean and anti-microbial. A sink should be within close proximity for both ... -
Under Counter Refrigeration
Under-counter refrigeration units should have fully-gasketed doors to fully contain the cold air within, and walls should be adequately insulated. W... -
Freezer
Walk-in and reach-in freezers should have fully-gasketed doors to fully contain the cold air within, and walls should be adequat... -
Refrigerator
Walk-in and reach-in refrigeration units should have fully-gasketed doors to fully contain the cold air within, and walls should... -
Ceiling Fans
Ceiling fans can offer occupants the ability to control ambient comfort without making adjustments to the room, zone, or building mechanical system....