Keigo's profile - overview

● Teacher   × 1

• Water-cooled VRF+Boiler do not handle heating load

● Critic   × 1

• Inconsistent Hourly Results Hot Water

● Necromancer   × 1

• Condenser water flow rate with EMS: EnergyPlus

● Supporter   × 1

• When do you actually need a bypass pipe?

● Student   × 1

• Water-cooled VRF+Boiler do not handle heating load

● Organizer   × 1

• Water-cooled VRF+Boiler do not handle heating load

● Enthusiast   × 1

● Editor   × 1

• Water-cooled VRF+Boiler do not handle heating load

● Commentator   × 1

• Secondary Chilled Water Loop Setpoint can't be controlled

● Scholar   × 1

• Water-cooled VRF+Boiler do not handle heating load

● Rapid Responder   × 49

• Does Simple Glazing System include air films ?
• Why is my minimum setpoint not met?
• Does DCV/mechanical ventilation work for occupant count below 1 in EnergyPlus?
• Daylight Saving Time setting based on ASHRAE 90.1 Appendix G
• what is the sky view factor for an isolated building? 0?
• How to model daylighting control in pilotis
• Ideal Loads Air System doesn't meet thermal comfort requirement
• Not able to maintain a Constant Supply air temp of 90 F after reheat coil
• Chiller IPLV Calculation
• CondenserLoop Coincident sizing is larger than NonCoincident sizing
• ASHRAE 90.1-2013 Appendix G baseline heating fuel
• Large Single Story Building HVAC Systems
• Mall entrance infiltration modeling for LEED compliance
• Misc vs plug loads
• Unmet hours according Ashrae 90.1/2010
• Could it be possible to put more than 18 at equipment list?
• Why can the interpolated Timestep demand be greater than the Hourly demand?
• Zone Multipliers with DesignSpecification:OutdoorAir
• ASHRAE 90.1 2010 Baseline systems for a mall building
• Natural and artificial lighting [lux]
• Ground source heat pump system operation
• How to add a preheat coil before heat exchanger?
• window control using Airflow network in Energy Plus
• EnergyPlus CooledBeam
• Fan Operation based on Themal Zone Themperature
• Modeling heat recovery chiller with air-cooled condenser
• How to find the energy transfer rate from walls and windows?
• Modeling DHW recirculation loop in EnergyPlus
• How to model a multiple level air treatment ?
• Severe error: Check the connection to a ZoneHVAC:EquipmentConnections object
• ASHRAE Climate zones and weather files
• table:lookup external file name
• Most impactful VRF object inputs
• Selecting baseline HVAC system (ASHRAE 90.1 2010)
• Water Heater Efficiency per Table 7.8 of ASHRAE 90.1-2010
• Coil:Heating:DX:MultiSpeed - rated waste heat fraction of power input
• Import idf file to designbuilder software
• How to Access the Building Model from Example file
• Additional Lighting Power Allowance in new Appendix G
• LEED IAQ Ventilation Compliance
• If I don't solve this, I can't graduate. Please help me
• Unexplained CO2 dilution with inter-zone air mixing
• Modelling Constraint for Coil:Cooling:WaterToAirHeatPump
• Variable CHW Flow Chillers Operate unexpectedly
• How to Model AHU with DOAS in DesignBuilder?
• control thermal zone temperture by air flow rather than chilled water flow
• EnergyPlus/OpenStudio VAV w/ Reheat Throttling Range Adjustment?
• Energy Managment System
• number of parking spaces per building type in EnergyPlus

● Popular Question   × 14

• Requirements for DCV in ASHRAE 90.1 baseline model
• What is the basis for Air Film Resistances used to calculate U-Factor with Film?
• Multiple secondary pumps of different sizes
• How to model Adiabatic Humidifier
• Infiltration in accordance with ASHRAE 90.1-2013, 2016 and 2019
• How does "Temperature Difference Between Cutout And Setpoint" affect Unmet Hours?
• Optimum Part Load Ratio
• What is the ventilation fan standard for unconditioned zones according to ASHRAE 90.1?
• Chiller IPLV Calculation
• Chiller is ON but Cooling Tower is OFF
• How to input cooling tower efficiency for baseline model as specified in ASHRAE 90.1
• How can DCV and VAV be compatible in both heating and cooling?
• Operation of Parallel Fan-Powered VAV during cooling
• Chiller performance curve adjustment for ASHRAE90.1 Baseline case

● Notable Question   × 5

• Requirements for DCV in ASHRAE 90.1 baseline model
• What is the basis for Air Film Resistances used to calculate U-Factor with Film?
• Infiltration in accordance with ASHRAE 90.1-2013, 2016 and 2019
• Multiple secondary pumps of different sizes
• Optimum Part Load Ratio

● Self-Learner   × 14

• How can HVACTemplate:Zone:VAV ensure Minimum OA Flow Rate?
• Operation of Parallel Fan-Powered VAV during cooling
• Fan:SystemModel power curve does not work
• Zone VRF does not work with Airloop VRF
• Escalator Schedule
• Window frame input option
• Incorrect autosizing of PTHP's heating coil
• Secondary Chilled Water Loop Setpoint can't be controlled
• How to model Adiabatic Humidifier
• "Plant flows do not resolve" with multiple variable primary pumps
• EnergyPlus Crashes with Desiccant System
• Water-cooled VRF+Boiler do not handle heating load
• Chiller IPLV Calculation
• Severe Error: Found Material that is too thin and/or too highly conductive

● Famous Question   × 1

• Requirements for DCV in ASHRAE 90.1 baseline model

● Associate Editor   × 1

• Requirements for DCV in ASHRAE 90.1 baseline model

● Citizen Patrol   × 1

• Fan:SystemModel power curve does not work