IES Virtual Environment 2025
IES Virtual Environment 2025: Building Performance Analysis Software IESVE 2025 is the latest release of IES’s integrated building performance analysis software, launched in June 2025 with two Feature Packs (FP1 in October 2025, FP2 in March 2026). It delivers smarter HVAC modelling, thermal bridging analysis, PCM ceiling simulation, parametric analysis, and enhanced decarbonization tools . Key New Features in 2025 Building Envelope & Thermal Bridging Psi/Chi Thermal Bridging: Model thermal bridges using Psi and Chi values alongside existing Y-value and % increase methods; supports NECB, ASHRAE 90.1, UK Part L Armstrong PCM Ceilings: Exclusive simulation of Templok® Phase Change Material ceiling tiles for passive thermal energy storage; up to 15% energy cost reduction validated HVAC & Central Plant HARC System...