Smart Buildings Engineering Studio

Animated walkthrough — 8 calculators · 5 simulators · 5 design tools · 19 articles

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Smart Buildings Engineering Studio
BACnet DDC ASHRAE 135 Guideline 36 Digital Twin FDD ENERGY STAR
🧮 Calculations 8
🎮 Simulators 5
📚 Articles 19
BACnet MS/TP Segment SizingLIVE
Max devices per MS/TP segment from baud rate and token pass timing. Cable length and termination check per ASHRAE 135.
BACnetMS/TPASHRAE 135
VAV Box Airflow SetpointsLIVE
Minimum/maximum CFM from zone area, occupancy, ASHRAE 62.1 ventilation rate procedure, and cooling load. Validates against Guideline 36 minimums.
ASHRAE 62.1CFMGuideline 36
Chiller Plant Optimization IndexLIVE
System kW/ton from chiller, cooling tower, and pump data. Part-load efficiency curves at varying PLR to quantify savings from chiller sequencing and tower free-cooling.
kW/tonPLRChilled Water
Control Valve Cv SizingLIVE
Required Cv from design flow (GPM), pressure drop, and fluid properties for chilled and hot water coils. Validates against installed valve authority (authority > 50%).
CvGPMValve Authority
BAS AHU Sequence SimulatorLIVE
Simulate ASHRAE Guideline 36 AHU control sequences in real time. Adjust OAT, zone demands, and occupancy mode to see economizer logic, SAT reset, coil control, and fan speed respond.
Guideline 36EconomizerSAT Reset
Demand Response Event SimulatorLIVE
Simulate a utility DR event for Office, Hospital, Hotel, or Retail buildings. Configure DR strategies, set event time, and see 24-hour load curves with peak reduction and cost savings.
Demand ResponsePeak DemandPre-Cooling
PID Control Loop TunerLIVE
Tune PID parameters for HVAC control loops — VAV box, chilled water valve, supply air temperature — and visualize step response, overshoot, and settling time.
PIDControl LoopTuning
HVAC Fault Injection SimulatorLIVE
Inject common HVAC faults (stuck damper, sensor offset, simultaneous heat/cool) into a virtual AHU and observe BAS alarm response and FDD detection logic.
FDDFault DetectionAHU
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BACnet Explained: The Building Automation Protocol Every Engineer Needs to Know
8 min
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Smart Buildings and BMS: How Modern Buildings Think for Themselves
7 min
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ASHRAE Guideline 36: High-Performance Sequences of Operation for HVAC Systems
7 min
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Fault Detection and Diagnostics (FDD) for Building Systems
7 min
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Demand Response for Buildings: How to Cut Peak Energy Costs with Smart Controls
7 min
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MQTT and IoT Protocols in Smart Building Automation
7 min
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BMS and OT Cybersecurity: Protecting Building Automation Systems from Cyber Threats
9 min
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Digital Twins for Buildings: What They Are, How They Work, and What Engineers Need to Know
8 min
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Predictive Maintenance Using BMS Data and Machine Learning
11 min
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