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Comparison table

 

Features 
   
Standard
     
Expert

Multi-zone, whole-building energy and carbon emission analysis

       

Dynamic cooling and heating load calculation 

       

System and plant sizing 

       

Thermal comfort analysis using view factors (PPD, operative temperature, EN16798-1)

       

Light computation (radiosity) for heat balance, thermal comfort and daylight level

       

Solar penetration and shading animation

       

Natural and mixed mode ventilation (bulk air flow model)

       

Hydronic radiators, chilled beams and panels 

       

3D visualization of input and results 

       
3D animation of results (scalars and fields)        

Adaptive timesteps (even sub-second resolution if needed)

       

Fully transparent models (log any variable)

       

Multiple natural languages 

       

Early Stage Building Optimization (ESBO) wizard with renewable energy components such as solar collectors, stratified tanks, boreholes, heat pumps, PV, wind turbines, CHP etc.

       

Free standing AC PV-systems (PV module + micro inverter)

       
Building-integrated PV-systems (AC modules, and DC modules in string configuration with different levels of DC optimizers)        

Air stratification based on flow elements such as jets, plumes, and wall currents

       

Build free schematics of HVAC, control and envelope objects

       

Editable AHUs and plants

       

Parallelization (multi-core processor support)

       

Parametric runs

       

Phase Change Materials

       
Finite-difference underground duct model with wall condensation        
Passage opening control model        
Output report of calculation of total weight of materials for, e.g., LCA studies        
Real-time simulation feedback and 3D animation        

Write your own models using NMF, Neutral Model Format (similar to Modelica)

       

Version handling system (manage multiple case versions with automatic batch updates)

       

Full scripting language and easy-to-use graphical scripting

       

Application Programming Interface

       

Model difference listing 

       

Model search 

       

File comparison functions 

       

Outline view

       

Editable GUI forms

       

IDA Simulation Environment (write your own component models)

       
Extensions
 
 
 
 

BIM Import

 

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Daylight

 

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ASHRAE 90.1

 

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Boreholes

 

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Ice Rinks and Pools

 

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 1 Extension can be purchased separately

  

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