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Whole Building Systems

  • Water - Green Tips

    Replace standard plumbing fixtures with high efficiency fixtures.

  • Lighting - LED Downlight Lamps for CFL Fixtures

    Finding: LED downlight lamps for existing CFL ballasts can produce energy savings between 40-50%, matching light levels and quality, and have a...

  • 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...

  • Water - Fixture Performance

    Water components can eventually drift out of spec and begin to not perform up to standards. Automatic sensor faucet valves, if not functioning prope...

  • Water - Green Tips

    Check faucet and fixture washers and gaskets for wear and replace them if necessary.

  • Lighting - Green Tips Impact

    Couple indirect and direct lighting fixtures to create a well-balanced illuminated work environment without uncomfortable shadows.

  • Lighting - Example Survey Questions

    Is there a planned schedule of cleaning light fixtures? Is there a group-relamping program?

  • Water - Green Tips Behavior

    Place placards or signs on water efficient plumbing fixtures and systems to highlight and remind occupants of their purpose.

  • 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...

  • Lighting - Green Globes Continual Improvement of Existing Buildings (CIEB)

    The lighting system is primarily addressed in the Energy and Indoor Environment categories of Green Globes CIEB. Incorporating high-efficiency light...

  • Water - The Guiding Principles for Sustainable Federal Buildings: New Construction and Modernization

    As per EISA 2007, thirty percent of the hot water demand should be met using the installation of solar hot water heaters when lifecycle cost-effec...

  • Water - Case1

    Finding: Plumbing fixture replacements yield a saving of over 25 million gallons or $271,000 annually, providing a payback of only three years.Scope...

  • Water - Case5

    Finding: Reduced plumbing fixture water use by thirty percent.Scope: NASA Marshall Space Flight Center – BMP 6Source: http://energy.gov/sites/...

  • Water - CIEB

    Are there the following water-conserving fixtures: high-efficiency toilets that use less than 1.6 GPF? Ultra low flush urinals that use less than 1....

  • Lighting - Materials

    Choosing lamps and fixtures with long lives not only saves on maintenance costs but reduces waste that might otherwise go to the landfill. Fluoresce...

  • Water - Facility Manager

    Facility managers have a unique opportunity to dramatically impact water use in existing buildings. By measuring and monitoring water use, evaluatin...

  • 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 - Plumbing Engineer

    The plumbing engineer takes on the responsibility of ensuring that water, whether potable or non-potable, provides its intended benefit throughout t...

  • Water - O&M

    An environmentally conscious water upgrade can reduce potable water, wastewater discharge, and energy bills by lowering resource consumption. These ...

  • Water - LEED ID+C: Commercial Interiors (v4)

    LEED for Interior Design & Construction (ID+C): Commercial Interiors employs a number of sustainable water system best practices in its certific...

  • Water - LEED BD+C: New Construction (v4)

    Leadership in Environmental and Energy Design (LEED) for Building Design and Construction (BD+C) addresses components of a sustainable water system ...

  • Water - Occupant Behavior on Water Consumption

    Occupants have a direct impact on water use and are key to a building’s water conservation program. Significant water can be wasted from occu...

  • 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....

  • 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...

  • 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...

  • Lighting - O&M

    A lighting upgrade can cut energy bills, improve the look of a facility, and boost employee morale, but all those benefits can fade away if the new ...

  • Water - Conservation Measures

    Commercial buildings have significant opportunities to conserve the quantity of water needed for daily operations through thoughtful design of the b...

Materials

  • Conventional Toilets

    Conventional toilets are those that pre-date Energy Policy Act of  1992 (EPAct 1992) and use 3.5 or more gallons of water per flush.
  • Pressure-Assisted Toilets

    Pressure-assisted toilets use the pressure from the main water line to more efficiently empty the bowl and use less water.
  • Low-Flow Faucet

    Low-flow faucets are based upon the Energy Policy Act of 1992 (EPAct 1992) and use aerators to restrict the flow of water to 2.2 gallons of wate...
  • Metering / Sensor-operated

    Metering faucets dispense water for a pre-determined period of time. Combined with a high-efficiency aerator, metering faucets deliver a pre-d...
  • Conventional Shower

    Conventional showerheads are those that pre-date Energy Policy Act of 1992 (EPAct 1992) and use 3.5 or more gallons of water per minute gpm.
  • Low-Flow Shower

    Low-Flow showerheads are based upon the Energy Policy Act of 1992 (EPAct 1992) and use 2.5 gallons of water per minute gpm. Relative to earlier ...
  • Dual-flush Toilets

    Dual-flush toilets have two levels of flushing - a full for solid waste and a reduced flush for liquid waste. Typically full flushes range f...
  • Composting Toilets

    Composting toilets use an aerobic process to break down waste by using little or no water. There are two types of composting toilets: [self-con...
  • Conventional Urinal

    Conventional urinals are those that pre-date Energy Policy Act of  1992 (EPAct 1992) and use 1.5 or more gallons of water per flush.
  • Low-Flow Urinal

    Low-flow urinals are based upon the Energy Policy Act of 1992 (EPAct 1992) and use 1.0 or less gallons of water per flush (gpf). Relative to ear...
  • Waterless Urinal

    Waterless urinals are touch-free fixtures that are designed to be entirely water-free. Instead of using water to clean the bowl, urine travels...
  • Low-Flow Toilets

    Low-flow toilets are based upon the Energy Policy Act of 1992 (EPAct 1992) and use 1.6 or less gallons of water per flush (gpf).  Relative to...
  • Direct Down Lighting

    Direct down lighting with 2-by-4 or 2-by-2 fluorescent fixtures are common in office buildings and are usually recessed into a dropped ceiling. The...
  • Low-flow Faucet

    Low-flow faucets are based upon the Energy Policy Act of 1992 (EPAct 1992) and use aerators to restrict the flow of water to 2.2 gallons of wate...
  • Decorative / Accent Lighting

    Decorative / accent lighting is designed to illuminate special architectural features or artwork. Decorative / accent lighting fixtures typically u...
  • Overhead Direct / Indirect

    A direct-indirect light fixture has down light passage areas in the bottom of the housing through which the direct lighting component is produced. ...