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Oct 30th 2025
IESVE Summer School

IES is delighted to announce our online IESVE Summer School will be returning from 2nd - 11th December. The Summer School is comprised of six lecture-style sessions, with our IES...

Oct 1st 2025
Mastering Heating & Cooling Loads Calculations With IESVE

Join us for an in-depth session on how to harness IESVE for accurate and efficient heating and cooling load assessments. This webinar will guide you through multiple...

Sep 25th 2025
IESVE Learning Academy: Answering Your Questions

This summer, IES ran a series of live lecture-style sessions for our audiences in North and South America, covering key analyses that can be undertaken using IESVE software. Over...

Sep 4th 2025
Designing for Resiliency with IESVE at Greenbrier Village

In our latest guest blog, Tim Kohut, Director of Sustainable Design at National Community Renaissance (National CORE), explores the challenges of designing for resilience, sharing...

Aug 22nd 2025
EMEA Summer School: Answering Your Questions

This summer, IES ran a series of lecture-style sessions covering key analyses that can be undertaken using IESVE. With over 1300 questions submitted across the five sessions,...

Jun 12th 2025
HGA Uncover 54% Carbon Emissions Savings for MetroHealth's Glick Center with IESVE

HGA used IESVE in this award winning project to help MetroHealth’s Glick Center achieve LEED Silver certification, identifying $434,500 in energy cost savings, 54% carbon...

Feb 12th 2025
Accurate Load Calculations: Importance in Designing High-Performance Buildings in Canada

Have you ever stepped into a building that felt freezing in the summer or overheated in the winter, despite a seemingly sophisticated HVAC system? More often than not, this stems...

Jan 29th 2025
IESVE Australasia Summer School: Answering Your Questions

Late last year, IES ran a series of lecture-style sessions covering key analyses that can be undertaken using IESVE. With over 100 questions submitted across the sessions,...

Jan 24th 2025
Fundamentals of ApacheHVAC Airside Controllers

Understanding the intricate workings of HVAC systems is essential for achieving accurate building performance simulation. In IESVE software, ApacheHVAC airside controllers play a...

Aug 7th 2024
How to Calculate Peak Cooling Loads in Humid Climates

Peak cooling coil loads can often occur during either the Monthly Design Dry-Bulb conditions or the Monthly Design Wet-Bulb conditions. As a continuation of ASHRAE Heating and...

May 7th 2024
VE User of the Year Europe: Riccardo Armari, RISE

Congratulations to Riccardo Armari, who impressed the IES judges with his in-depth use of modelling to help design a hospital HVAC system, using dynamic energy simulation IESVE...

Apr 23rd 2024
How to Control Fuel Switching between Electric Heat Pumps and Fossil Fuel Boilers or Use CO2 refrigerant Heat Pumps for low ambient building and DWH heat

During the recent webinar, "Using IESVE for Loads, Sizing and Heat Pump Modeling to Achieve Decarbonization" I was asked an intriguing question by an engineer who was attempting...

Apr 11th 2024
VE User of the Year: Akief Hakim bin Azman, Malaysia

Congratulations to Akief, who won the academic category for VE User of the Year. An academic project for the Green Building graduate course The objective was to model KKTM Sri...

Jan 31st 2024
ASHRAE Heat Balance Method Versus Radiant Time Series

The calculation of cooling loads in building and HVAC system design is a critical task that requires precision and understanding of thermal dynamics. This article presents a...

Oct 23rd 2023
IES signs up to support MEP 2040 Challenge

IES has officially signed up as a supporter of the MEP 2040 challenge. Initiated by the Carbon Leadership Forum, the challenge aims to eliminate embodied carbon in mechanical,...

Jun 6th 2023
UMC delivers outstanding energy modeling and analysis with IESVE

In the past three years, IESVE users at UMC have delivered some impressive results for their clients. By delivering a calibrated model for a large medical center to identify 45%...