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Results 1 to 50 out of 10000

Name Type Description Download
Build Simple Residential Model Ruby measure This measure creates a simple residential building model similar to ResStock/HPXML approach. It generates geometry, constructions, HVAC systems, and other building components for a single-family home.
Repo: Ski90Moo/OpenStudio_Measures_HEPLLC
download Build Simple Residential Model
Replace Chiller with Air Source Heat Pumps Ruby measure This measure removes the condenser water loop and cooling tower, replaces the water-cooled chiller with an air-source heat pump for cooling, and adds an air-source heat pump for heating in series with the existing boiler.
Repo: Ski90Moo/OpenStudio_Measures_HEPLLC
download Replace Chiller with Air Source Heat Pumps
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
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 Reduce electric equipment loads. This will affect equipment that have a, power, power per area (LPD), or power per person value. This can be applied to the entire building or a specific space type. A positive 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
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
Window Enhancement Python measure Make existing window better by adding film, storm window, or something else.
Repo: NREL/openstudio-ee-gem
download Window Enhancement
Thermal Bridging and Derating - TBD Ruby measure Derates opaque constructions from major thermal bridges.
Repo: rd2/tbd
download Thermal Bridging and Derating - TBD
Add and Apply ScheduleInterval or ScheduleFile From File Ruby measure This measure adds a schedule object from a file of interval data and can replace an existing schedule in the file with it. It also lets you specify which column from the CSV should be read so you can store multiple columns of data in one file. Allows beginning rows to be ignored in case there is...
Repo: AMBER-Group-CSM/openstudio-amber-measures-gem
download Add and Apply ScheduleInterval or ScheduleFile From File
Add and Apply Load and Schedule from File Ruby measure This measure imports electric or lighting load data from a CSV file and applies it to a selected load in the OpenStudio model as a ScheduleInterval. The measure offers options to normalize the data by floor area, invert the data if it represents energy consumption as negative values, and replace...
Repo: AMBER-Group-CSM/openstudio-amber-measures-gem
download Add and Apply Load and Schedule from File
Choose Constructions for SurfaceProperty:HeatTransferAlgorithm Ruby measure Presents a checkbox for each Construction in the model so you can pick which ones to tag with a SurfaceProperty:HeatTransferAlgorithm:Construction and which algorithm to use.
Repo: AMBER-Group-CSM/openstudio-amber-measures-gem
download Choose Constructions for SurfaceProperty:HeatTransferAlgorithm
Add EMPD Material Properties PreDefined Ruby measure Adds effective moisture penetration depth (EMPD) Heat Balance Model properties for a selected material in the model.
Repo: AMBER-Group-CSM/openstudio-amber-measures-gem
download Add EMPD Material Properties PreDefined
Create and Configure Internal Mass Definitions Ruby measure Create a new internal mass definition using a layered construction and assign to matching spaces.
Repo: AMBER-Group-CSM/openstudio-amber-measures-gem
download Create and Configure Internal Mass Definitions
TimeSeries Objective Function Ruby measure Creates Objective Function from Timeseries Data
Repo: NREL/openstudio-calibration-gem
download TimeSeries Objective Function
Timeseries Plot Ruby measure Creates an interactive timeseries plot of selected variable.
Repo: NREL/openstudio-calibration-gem
download Timeseries Plot
Generic QAQC Ruby measure This measure extracts key simulation results and performs basic model QAQC checks. Each category of checks provides a description of the source of the check. In some cases the target standards and tollerances are adjustable.
Repo: NREL/openstudio-common-measures-gem
download Generic QAQC
Envelope and Internal Load Breakdown Ruby measure Report provides annual and monthly views into heat gains and losses for envelope and internal loads.
Repo: NREL/openstudio-common-measures-gem
download Envelope and Internal Load Breakdown
HVAC Psychrometric Chart Ruby measure A psychrometric chart shows the relationship between air temperature and humidity conditions.
Repo: NREL/openstudio-common-measures-gem
download HVAC Psychrometric Chart
OpenStudio Results Ruby measure This measure creates high level tables and charts pulling both from model inputs and EnergyPlus results. It has building level information as well as detail on space types, thermal zones, HVAC systems, envelope characteristics, and economics. Click the heading above a chart to view a table of...
Repo: NREL/openstudio-common-measures-gem
download OpenStudio Results
Example Report Ruby measure Simple example of modular code to create tables and charts in OpenStudio reporting measures. This is not meant to use as is, it is an example to help with reporting measure development.
Repo: NREL/openstudio-common-measures-gem
download Example Report
Create and Configure ZoneCapacitanceMultiplier Ruby measure Creates ZoneCapacitanceMultiplier fully configurable objects for the requested zones. If you a user needs different capacitance multiplier values for different zones, use multiple measures in a workflow and request objects for the different zone names.
Repo: AMBER-Group-CSM/openstudio-amber-measures-gem
download Create and Configure ZoneCapacitanceMultiplier
Calibration Reports Ruby measure Reports modeled energy consumpiton and peak demand by fuel per utility billing period.
Repo: NREL/openstudio-calibration-gem
download Calibration Reports
Cooling Coils DX Single Speed Multiplier Ruby measure This is a general purpose measure to calibrate DX Cooling Coils with a Multiplier.
Repo: NREL/openstudio-calibration-gem
download Cooling Coils DX Single Speed Multiplier
Cooling Coils DX Two Speed Percent Change Ruby measure This is a general purpose measure to calibrate DX Cooling Coils with a Percent Change.
Repo: NREL/openstudio-calibration-gem
download Cooling Coils DX Two Speed Percent Change
Cooling Coils Water Multiplier Ruby measure This is a general purpose measure to calibrate Water Cooling Coils with a Multiplier.
Repo: NREL/openstudio-calibration-gem
download Cooling Coils Water Multiplier
Cooling Coils Water PercentChange Ruby measure This is a general purpose measure to calibrate Water Cooling Coils with a PercentChange.
Repo: NREL/openstudio-calibration-gem
download Cooling Coils Water PercentChange
Hard Size HVAC Ruby measure Run a simulation to autosize HVAC equipment and then apply these autosized values back to the model.
Repo: NREL/openstudio-calibration-gem
download Hard Size HVAC
Change R-value of Insulation Layer for Construction By a Specified Percentage Ruby measure Change R-value of Insulation Layer for Construction By a Specified Percentage
Repo: NREL/openstudio-calibration-gem
download Change R-value of Insulation Layer for Construction By a Specified Percentage
Roof Thermal Properties Multiplier Ruby measure Change Roof by altering the thermal resistance, density, and solar absorptance of the wall constructions by a Multiplier
Repo: NREL/openstudio-calibration-gem
download Roof Thermal Properties Multiplier
Roof Thermal Properties Percent Change Ruby measure Change Roof by altering the thermal resistance, density, and solar absorptance of the wall constructions by a Percent Change
Repo: NREL/openstudio-calibration-gem
download Roof Thermal Properties Percent Change