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Whole Building Systems

  • Planted Roof - EPA | Using Green Roofs to Reduce Heat Islands

    https://www.epa.gov/heat-islands/using-green-roofs-reduce-heat-islands

  • HVAC - System Overview

    Heating, ventilation, and air conditioning (HVAC) systems are responsible for providing thermal comfort and fresh air to building occupants. This is...

  • Water - Green Globes for Existing Buildings

    Does the building have high-efficiency water heating equipment?

  • Planted Roof - SSc3

    Heat Island Reduction

  • Planted Roof - SSc5

    Heat Island Reduction

  • Planted Roof - C4.9

    Reduce urban heat island effects

  • Planted Roof - LEED O+M: Existing Buildings (v4)

    LEED Operations and Maintenance (O+M) for Existing Buildings addresses many of the benefits that planted roofs provide. Planted roofs have a positiv...

  • 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)...

  • Planted Roof - The Sustainable Sites Initiative (SITES)

    SITES is an interdisciplinary partnership to transform land development and management practices through voluntary guidelines and rating system...

  • 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. ...

  • 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...

  • Lighting - Green Tips

    Reduce electrical lighting consumption and associated waste heat by pairing harvested daylight with automated dimmers and photosensors.

  • Lighting - Green Tips Impact

    Control uncomfortable glare and heat gain using internal shading devices such as louvers, shades, or blinds and exterior shading strategies such as ...

  • HVAC - Green Tips and Strategies

    At a minimum, comply with American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) Standard 55 Thermal Environmental Condi...

  • HVAC - Example Questions

    Is the building sited and oriented to optimize the effect of microclimatic conditions for heating and cooling?

  • Planted Roof - System Bundling

    Planted roofs have synergistic benefits that result in energy saving and stormwater management; they are an attractive alternative to traditional ro...

  • Lighting - Optimize Building Energy Efficiency

    Some water system components, when bundled together, can significantly reduce overall building energy consumption as over eight percent of total ene...

  • 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 ...

  • Water - Energy Use

    Water efficiency measures do more than conserve water; they conserve a significant amount of energy as well. Federal facilities use sixty billion Bt...

  • Water - Water and Energy Consumption

    Water and energy go hand-in-hand in a relationship often referred to as the "water-energy nexus." Financial cost savings are achieved through not on...

  • Submetering - Green Globes NC

    Is there sub-metering installed for the following systems: light and lighting controls by floor or by zones, plug loads by floor or by zone, major e...

  • Water - Boilers/Steam Systems

    Boiler and steam system equipment consume varying quantities of water within large heating systems depending on the size of the equipment, the amoun...

  • IEQ - Lighting Engineer

    The lighting engineer, in cooperation with the rest of the integrative team, should ensure as much natural daylight permeates the space as possible....

  • HVAC - System Adjustments

    The most frequently cited measures/opportunities are: Adjust reset and set-back temperatures and temperature settings – Settings are often adjust...

  • 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...

  • HVAC - Did You Know

    Moderate conservation measures could save the government over 40% on water and sewage utility costs.Source: NREL, Implementing Water Conservation ...

  • Water - DYK2

    Moderate conservation measures could save the government over 40% on water and sewage utility costs.Source: http://www.nrel.gov/docs/fy02osti/3130...

  • 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 ...

  • 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...

  • Water - Occupant

    The behavior and well-being of the intended users of the water system – the occupants – should be considered at the integrative table. W...

  • 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...

  • 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...

  • 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...

  • Lighting - Energy Policy Act of 2005

    The Energy Policy Act of 2005 (EPAct 2005) established a number of energy management goals for federal facilities involving components of a sustaina...

  • 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 ...

  • 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...

  • 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...

  • 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...

  • Solid Waste - System Overview

    Cost Savings The national average landfill tipping fee was $45 per ton in 2012. Diverting waste from landfills can lower total waste disposal cos...

  • HVAC - Energy Use

    HVAC consumes an average of 30% of a facility’s energy use.1 Much of that use is wasted, at times right through the front door. Other times t...

  • HVAC - Utility Demand Charges

    Your electricity bill tends to have several line items, such as costs for generation, distribution, and taxes. Some of these are related to consump...

  • HVAC - Energy Policy Act of 2005

    The Energy Policy Act of 2005 (EPAct 2005) amends EPAct 1992 and establishes a number of energy management goals for federal facilities involving co...

  • Submetering - Impact on Indoor Environmental Quality (IEQ)

    Submetering systems help to improve resource efficiency and conservation practices in a building, which can be used to improve indoor environmental ...

  • 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...

  • Lighting - Energy Use

    By consuming 17% of the building’s total electricity consumption and further influencing overall energy demand by the waste heat it emits, lig...

  • HVAC - Human Behavior on HVAC

    Human behavior and interaction with the building space plays a critical component in achieving holistic sustainability. Desired gains in energy effi...

  • 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...

  • Planted Roof - Human Behavior on Planted Roofs

    Human behavior and interaction with the building space plays a critical component in achieving holistic sustainability. Benefits can only be achieve...

  • Submetering - O&M

    One of the best ways to save energy is to measure and manage it. There are two basic methods for managing resource use: through improved resou...

  • Water - Plumbing Fixtures

    High efficiency plumbing fixtures (toilets, urinals, faucets, and showers) can lead to significant water savings. FEMP BMP #6 gives some guidance on...

Materials

  • 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...
  • Soup Station

    Soups are kept at a constant temperature in urns that use electricity to heat coils around a container, or heat water into steam. Make sure units c...
  • Deep Fryer

    Deep Fryers require energy to heat oil to high temperatures. They also require ventilation directly above the equipment and specialized suppression ...
  • Gas Burner

    Natural gas is often used in cook-top equipment similar to a residential range. Electric burners can be used in lieu of gas. Coo...
  • Grill and Griddle

    A grill and griddle uses heat elements under a metal surface to cook food. The heat elements can be powered by natural gas or el...
  • Microwaves

    Microwaves are used in commercial food service for a variety of applications.
  • Oven

    Convection ovens are common in food service. Look for equipment that carries the Energy Star label for energy efficiency.Pasta cookers use a large vat of boiling water to cook individual portions of pasta in small metal baskets. These units use ener...
  • Occupant Sensor

    Occupant controls use sensors to deter...
  • Glass - Tinted / Colored / Fritted

    Although clear glass is the most common glass component of a window system, tinted glass may be used to reduce solar heat gain. Multiple colors are ...
  • Glass - Single Pane

    Single pane windows are not typical in new commercial buildings as they resist the transfer of heat poorly and have an insulating value (R-value) of...
  • Glass - Low Emissivity

    A Low-E coating is a microscopic thin layer of metal or metal oxide deposited on window glass to prevent heat and ultra-violet (UV) rays from passin...
  • Skylights / Solar Tubes

    Skylights/light tubes allow daylight to penetrate into a space. They are typically located in the roof/ceiling and can vary in size. Certain solar...
  • Paper Composite

    Paper Composite is a type of solid surfacing countertop made from paper, fibers and resin. The resin typically does not come from recycled source...
  • Laminate

    Laminate is created from layers of decorative paper and kraft paper - a strong, moisture-resistant product. These papers are treated with melamine...
  • Aluminum Frame

    Window frames are one component of a window assembly. In naturally ventilated buildings window frames allow the window to be opened to bring in fre...
  • Skylights / Solar Tubes

    Skylights/light tubes allow daylight to penetrate into a space. They are typically located in the roof/ceiling and can vary in s...
  • Perimeter Units

    Known by a number of commons terms such as "induction units," "window units," and "floor units," perimeter HVAC units bring conditioned air out to t...
  • Hot to Order Food

    Certain food items are often prepared to-order in front of patrions. These stations are often composed of cooking equipment behind a counter that i...