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Results 1 to 25 out of 168
| Name | Type | Description | Download |
|---|---|---|---|
| Add Overhangs by Projection Factor | Ruby measure | Add overhangs by projection factor to specified windows. The projection factor is the overhang depth divided by the window height. This can be applied to windows by the closest cardinal direction. If baseline model contains overhangs made by this measure, they will be replaced. Optionally the... Repo: NREL/openstudio-ee-gem |
download Add Overhangs by Projection Factor |
| Improve Fan Belt Efficiency | Ruby measure | The assessment team observed opportunities for fan belt improvements on HVAC fan drives. These motors are asynchronous induction motors.
Improvements in belt efficiency result in energy savings at the motor. The three common belt efficiency measures are belt tightening (1%-5% savings... Repo: NREL/openstudio-ee-gem |
download Improve Fan Belt Efficiency |
| Improve Motor Efficiency in Selected Fans and Pumps | Ruby measure | The assessment team observed opportunities for motor efficiency improvements on HVAC systems. These motors are asynchronous induction motors.
There are currently motors on the market that are far superior to standard efficiency motors. These come in both premium efficiency and ultra-efficiency... Repo: NREL/openstudio-ee-gem |
download Improve Motor Efficiency in Selected Fans and Pumps |
| Reduce Electric Equipment Loads by Percentage | Ruby measure | Reduce Electric Equipment Loads by Percentage
Repo: NREL/openstudio-ee-gem |
download Reduce Electric Equipment Loads by Percentage |
| Reduce Lighting Loads by Percentage | Ruby measure | The lighting system in this building uses more power per area than is required with the latest lighting technologies. Replace the lighting system with a newer, more efficient lighting technology. Newer technologies provide the same amount of light but use less energy in the process. Repo: NREL/openstudio-ee-gem |
download Reduce Lighting Loads by Percentage |
| Reduce Night Time Lighting Loads | Ruby measure | Many buildings have lights that run unnecessarily at night. Turning these lights off at night can provide energy savings without impacting the day-to-day operation of the building occupants. Implementing this change may require coordination with after-hours cleaning and maintenance crews. Repo: NREL/openstudio-ee-gem |
download Reduce Night Time Lighting Loads |
| Fan Assist Night Ventilation | Ruby measure | This measure is meant to roughly model the impact of fan assisted night ventilation. The user needs to have a ventilation schedule in the model, operable windows where natural ventilation is desired, and air walls or interior operable windows in walls and floors to define the path of air through... Repo: NREL/openstudio-ee-gem |
download Fan Assist Night Ventilation |
| Add Daylight Sensor at the Center of Spaces with a Specified Space Type Assigned | Ruby measure | This measure will add daylighting controls to spaces that that have space types assigned with names containing the string in the argument. You can also add a cost per space for sensors added to the model. Repo: NREL/openstudio-ee-gem |
download Add Daylight Sensor at the Center of Spaces with a Specified Space Type Assigned |
| Enable Demand Controlled Ventilation | Ruby measure | The facility currently does not have a demand controlled ventilation system or CO2 sensors in the air delivery system. Outside air is introduced and conditioned at a fixed rate based on the maximum design. Since the building occupancy fluctuates and is often less than the maximum design... Repo: NREL/openstudio-ee-gem |
download Enable Demand Controlled Ventilation |
| Enable Economizer Control | Ruby measure | There is currently not a functioning air side economizer enabled in the building. Air side economizers use cold outside air to either assist the mechanical cooling system, or if the air is cold enough, provide all of the cooling for a facility.
In order for an air side economizer to... Repo: NREL/openstudio-ee-gem |
download Enable Economizer Control |
| GLHEProExportLoadsforGroundHeatExchangerSizing | Ruby measure | Exports a .gt1 file that can be imported into GLHEPro as part of determining the size of a vertical ground heat exchanger borefield. This file contains the monthly heating and cooling energy and peak heating and cooling rate for district heating and cooling plants in the model. These numbers... Repo: NREL/openstudio-ee-gem |
download GLHEProExportLoadsforGroundHeatExchangerSizing |
| GLHEProGFunctionImport | Ruby measure | After running GLHEPro to size the GLHE and export the G Function .idf file, use this measure to import these GLHE inputs back into the model. In order to export the loads necessary to size the bore field, see the Reporting measure called 'GLHEPro Export Loads for Ground Heat Exchanger Sizing.' Repo: NREL/openstudio-ee-gem |
download GLHEProGFunctionImport |
| GLHEProSetupExportLoadsforGroundHeatExchangerSizing | Ruby measure | Requests that EnergyPlus output the district heating and district cooling rates at an hourly interval. These rates will be used by the Measure called "GLHEPro Export Loads for Ground Heat Exchanger Sizing" to create a .gt1 file that is used by GLHEPro to help designers size ground heat... Repo: NREL/openstudio-ee-gem |
download GLHEProSetupExportLoadsforGroundHeatExchangerSizing |
| Increase R-value of Insulation for Exterior Walls to a Specific Value | Ruby measure | Set the R-Value of exterior wall insulation to a specified value. Higher R-Values provide better insulation, lowering heat loss and heat gain through the exterior walls. Costs for a construction can be adjusted Repo: NREL/openstudio-ee-gem |
download Increase R-value of Insulation for Exterior Walls to a Specific Value |
| Increase R-value of Insulation for Exterior Walls By a Specified Percentage | Ruby measure | Increase the R value of the insulation layer in wall constructinons by a percentage. Repo: NREL/openstudio-ee-gem |
download Increase R-value of Insulation for Exterior Walls By a Specified Percentage |
| Increase R-value of Insulation for Roofs by a Specified Percentage. | Ruby measure | Increase the R value of the insulation layer in roof constructinons by a percentage. Repo: NREL/openstudio-ee-gem |
download Increase R-value of Insulation for Roofs by a Specified Percentage. |
| Reduce Night Time Electric Equipment Loads | Ruby measure | Many buildings have electric equipment that runs unnecessarily at night. Turning this equipment off at night can provide energy savings without impacting the day-to-day operation of the building occupants. Before implementing this change, make sure that equipment can be brought back online... Repo: NREL/openstudio-ee-gem |
download Reduce Night Time Electric Equipment Loads |
| ReduceSpaceInfiltrationByPercentage | Ruby measure | This measure will reduce space infiltration rates by the requested percentage. A cost per square foot of building area can be added to the model. Repo: NREL/openstudio-ee-gem |
download ReduceSpaceInfiltrationByPercentage |
| ReduceVentilationByPercentage | Ruby measure | This measure will reduce space ventilation rates by the requested percentage. A cost per square foot of building area can be added to the model. Repo: NREL/openstudio-ee-gem |
download ReduceVentilationByPercentage |
| Add Variable Speed RTU Control Logic | Ruby measure | This measure adds control logic for a variable-speed RTU to the model. The control logic is responsible for staging the fan in response to the amount of heating/cooling required. It is meant to be paired specifically with the Create Variable Speed RTU OpenStudio measure. Users enter the fan flow... Repo: NREL/openstudio-ee-gem |
download Add Variable Speed RTU Control Logic |
| Create Variable Speed RTU | Ruby measure | This measure examines the existing HVAC system(s) present in the current OpenStudio model. If a constant-speed system is found, the user can opt to have the measure replace that system with a variable-speed RTU. 'Variable speed' in this case means that the compressor will be operated using... Repo: NREL/openstudio-ee-gem |
download Create Variable Speed RTU |
| NZEHVAC | Ruby measure | This measure replaces the existing HVAC system if any with the user selected HVAC system. The user can select how to partition the system, applying it to the whole building, a system per building type, a system per building story, or automatically partition based on residential/non-residential... Repo: NREL/openstudio-ee-gem |
download NZEHVAC |
| Replace Water Heater Mixed with Thermal Storage Chilled Water | Ruby measure | This measure is a quick fix for GUI issue that prevents putting thermal storage on two plant loops. Repo: NREL/openstudio-ee-gem |
download Replace Water Heater Mixed with Thermal Storage Chilled Water |
| Increase R-value of Insulation for Roofs to a Specific Value | Ruby measure | Set the R-Value of roof insulation to a specified value. Higher R-Values provide better insulation, lowering heat loss and heat gain through the roof. Repo: NREL/openstudio-ee-gem |
download Increase R-value of Insulation for Roofs to a Specific Value |