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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 Academic Winner: Akief Hakim bin Azman, Graduate from Kolej Kemahiran Tinggi MARA Sri Gading, 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%...

Aug 4th 2022
ASHRAE Headquarters exemplifies Net-Zero Energy building design

ASHRAE are one of the foremost industry pioneers in the decarbonization of the built environment and their new global Headquarters building in Atlanta, renovated to operate as a...

Mar 25th 2022
Understanding and Minimizing Unmet Load Hours – A User Guide - Part 4: Identifying problematic HVAC zoning and control issues using manual UMLH tests

Part 4: Identifying problematic HVAC zoning and control issues using manual UMLH tests This article describes the use and application of manual unmet load hour (UMLH) checks and...

Feb 23rd 2022
Understanding and Minimizing Unmet Load Hours – A User Guide - Part 3: How Unmet Load Hours are determined in the IES Virtual Environment

Part 3: How Unmet Load Hours are determined in the IES Virtual Environment   As described in Part 1 of this guide, an unmet load hour is any hour of any day of the year when...

Feb 11th 2022
Understanding and Minimizing Unmet Load Hours – A User Guide - Part 2: Spaces, Dates, and Hours subject to Unmet Load Hours tests

Part 2: Spaces, Dates, and Hours subject to Unmet Load Hours tests    As described in Part 1 of this guide, an unmet load hour is any hour when one or more zones in the...

Jan 14th 2022
Case Study: Thermal & Airflow Modelling in IESVE

ASHRAE BEAP certified freelance consultant, Rade Djukanovic, has used IESVE extensively on a range of public and private sector buildings in Serbia, primarily focusing on thermal...

May 24th 2021
Understanding and Minimizing Unmet Load Hours – A User Guide - Part: 1 Understanding Unmet Load Hours (UMLHs)

Part 1: Understanding Unmet Load Hours (UMLHs)  In this, Part 1 of our Unmet Load Hours series, we dive into the fundamentals of UMLHs—much more so than the...

Apr 7th 2021
VE User Award: Tampa International Airport - Cory Duggin, TLC

Credit: image above provided by HNTB, the prime consultant for the Tampa International Airport Curbside expansion project. As we continue to highlight the excellent entries...

Mar 12th 2021
IES Consulting develop fabric analysis tool for Serge Ferrari to assess heating & cooling loads

IES Consulting used python scripting to develop the bespoke Soltissim Tool, enabling Serge Ferrari customers to quickly assess and optimise the impact of their various fabric...

Feb 24th 2021
VE User of the Year Award, North American Winner – Miles Martschink: ASHRAE Loads, Automation by Python, and Airflow with CFD

Meet Miles Martschink; the North American regional winner of our 2020 VE User of the year competition.  To celebrate Miles’ winning entry, we wish to highlight the impressive...