BEDES Dictionary

Version 2.5

You can explore the BEDES dictionary in several ways: use the search box to search for a particular term; filter the list of terms by category using the checkboxes below; click on each term for more details. You can also download all the terms and list options in CSV or XML format using the buttons below.

All Terms:
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HVAC
Term Term Definition Lists Unit of Measure
Return Duct Percent Conditioned Space

Percentage of return duct surface area, including the air handler, that is located within conditioned space (0-1).

percent
Sequencing

Sequencing availability of HVAC system

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Static Pressure

The expected or installed internal static pressure of the system at full supply fan speed including all filters, coils, and accessories.

Pa
Supply Duct Percent Conditioned Space

Percentage of supply duct surface area that is located within conditioned space (0-1).

percent
Supply Fraction Of Duct Leakage

Fraction of total duct leakage that is on the supply side. Remainder is assumed to be on the return side (0-1).

None
System Performance Ratio

Ratio of annual system load to the annual system energy consumption (similar to a whole system COP). A higher value indicates less heating and/or cooling energy use to meet the loads, and therefore represents a more efficient HVAC system. SPR can be used to describe the heating, cooling, and overall HVAC systems.

None
Ventilation Rate

Installed flow rate for mechanical ventilation system.

cfm
Ventilation Type

Type of ventilation, and use of heat recovery

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Water Side Economizer

Presence of water-side economizer to provide free cooling.

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Water Side Economizer Type

Type of waterside economizer providing free cooling.

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Loads
Term Term Definition Lists Unit of Measure
Audio Visual Characteristics

Audio and visual equipment characteristics or features installed standard or post-manufacturing.

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Average Effluent Biological Oxygen Demand

Average Effluent Biological Oxygen Demand (BOD5) is the BOD5 concentration of wastewater after it is treated and is leaving a Wastewater Treatment Plant. The concentration should be an average concentration, estimated over a 12-month period. BOD is the measure of the amount of oxygen required by bacteria for stabilizing material that can be decomposed under aerobic conditions. BOD5 is a commonly used determinant of the organic strength of a waste, recording the oxygen demand over a five-day period.

mg/L
Average Influent Biological Oxygen Demand

Average Influent Biological Oxygen Demand (BOD5) is the BOD5 concentration of wastewater when it is entering a Wastewater Treatment Plant to be treated. The concentration should be an average concentration, estimated over a 12-month period. BOD is the measure of the amount of oxygen required by bacteria for stabilizing material that can be decomposed under aerobic conditions. BOD5 is a commonly used determinant of the organic strength of a waste, recording the oxygen demand over a five day period.

mg/L
Ballast Type

A ballast is a piece of equipment required to control the starting and operating voltages of electrical gas discharge lights.

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Battery Charger Type

A device intended to replenish the charge in a rechargeable battery. A battery charger connects to the mains at the power input and connects to the battery at the output. The charger may be comprised of multiple components, in more than one enclosure, and may be fully or partially contained in the Battery Operated End-use Product.

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Battery Device Type

A type of battery device.

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Cabinet Configuration

Configuration can include refrigeration cases and walk-ins, not central refrigeration systems.

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Case Door Orientation

Orientation of refrigerated case doors used for display cases at stores, food-service establishments.

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Clothes Dryer Drum Capacity

This is the drum capacity of the clothes dryers in cubic feet as measured by the U.S. Department of Energy test procedure, Code of Federal Regulations, Title 10, Section 430, Subpart B, Appendix D2. Products with a drum capacity less than 4.4 cubic feet are considered compact.

ft3
Clothes Dryer Type

The type of clothes dryer appliance.

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Clothes Washer Integrated Modified Energy Factor

The quotient of the cubic foot (or liter) capacity of the clothes container divided by the total clothes washer energy consumption per cycle, with such energy consumption expressed as the sum of the machine electrical energy consumption, the hot water energy consumption, the energy required for removal of the remaining moisture in the wash load, and the combined low-power mode energy consumption.

ft3/(kBtu/cycle)
Clothes Washer Modified Energy Factor

Modified Energy Factor, MEF, is the energy performance metric for ENERGY STAR qualified clothes washers and all clothes washers as of February 1, 2013. MEF is the quotient of the capacity of the clothes container, C, divided by the total clothes washer energy consumption per cycle, with such energy consumption expressed as the sum of the machine electrical energy consumption, M, the hot water energy consumption, E, and the energy required for removal of the remaining moisture in the wash load, D. The higher MEF, the more efficient the clothes washer. The equation is: MEF = C/(M + E + D).

ft3/(kBtu/cycle)
Coffee Maker Components

Components of a coffee maker for brewing coffee.

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Computer Type

A device which performs logical operations and processes data. For the purposes of this specification, computers include both stationary and portable units, including Desktop Computers, Integrated Desktop Computers, Notebook Computers, Small-Scale Servers, Thin Clients, and Workstations.

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Conveyance Load Type

Type of load that the conveyance system usually transports.

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