The Challenge and Potential of Solar Power

The Challenge and Potential of Solar Power

From the Chinese using mirrors to reflect light to ignite torches for religious purposes in 20 A.D., to the Anasazi people in North America building their cliff dwellings on the south-facing cliff to capture the winter sun in the 1200’s A.D., people have looked to the sun as a source of power and warmth, and… Read More

Engineering Options for Designing Chilled Water Pumping Schemes

Options for Designing Chilled Water Pumping Schemes

The system for delivering chilled water to end users has changed significantly since the introduction of central chilled water plants. Drivers of this change have included increased cooling demands, improvements in technology and requirements for more energy efficiency. This blog will examine how chilled water pumping schemes have evolved and discuss the pros and cons… Read More

Understanding Five HVAC Performance Measures

Understanding Five HVAC Performance Measures

Energy efficiency is an important consideration for users of all types of HVAC equipment. In order to compare equipment and systems, there are five ways to measure the energy efficiency of HVAC units, including air handlers, chillers, roof top units (RTUs) etc. The various methods typically apply to different types of systems and provide HVAC… Read More

Four Steps to Sizing Roof Drains

Getting water off a building’s roof is important, but how do you know what size drain to use to provide adequate drainage? Using tools from the International Plumbing Code (IPC) it’s not that hard. IPC provides four steps to size the roof drains on a building: * Determine 100-year, 1-hour rainfall rate used for location… Read More