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Oct 30th 2023
Energy Cost Analysis in IESVE using the Tariff Tool

“Time-of-Use” (TOU) Electricity Rates Most of the electricity utilities in North America use the “Time-of-Use” (TOU) rate schedules for commercial and industrial sectors. In the...

Mar 29th 2023
A Deep Dive into the Water-Energy Nexus

The Water-Energy Nexus considers the interrelationship between water and energy. E.g. Power plants consume water for cooling systems, and Water plants consume power for treatment...

Feb 2nd 2023
VAV Systems in ApacheHVAC

A Variable Air Volume (VAV) system is one of the most common HVAC systems used in buildings. The basic concept is that the volume of the air entering the thermal zone changes as...

May 9th 2022
Meet the IES Team: Birajan Bhandari, Senior Building Performance Engineer

Next up in our 'Meet the Team' series, we sat down for a quick Q&A with Birajan Bandhari, a Senior Building Performance Engineer, based in California, to share his experience...

Apr 1st 2020
Multiple Cooling Tower Control Strategies in IESVE

This technical article compares the predicted energy consumption of different cooling tower control strategies when the building cooling load is known, and the chiller(s) design...

Nov 1st 2018
Solar Hot-Water Preheating Systems in IESVE

Solar Water Heating systems are commonly used to (pre)heat water, using solar energy for the purposes of reducing the building’s heating loads, energy, costs and carbon emissions....