Designing for Comfort & IAQ: Air distribution per ASHRAE 55 and 62.1

Photo © BigStockPhoto/Pavel Losevsky

The goal of a room air distribution system is to provide thermal comfort and a healthy living environment for occupants in the space. This article looks at designing such assemblies for comfort and indoor air quality (IAQ) per ASHRAE 55 and 62.1. It examines the common method of overhead distribution, but focuses on partially mixed (i.e. most under floor air distribution [UFAD]) and fully stratified (i.e. displacement ventilation) systems.

Read More

Discover the Best Tools for the steel frame trade

MarinoWare-118

Marino\WARE® helps build America. As a 100 percent wholly U.S.-owned and operated steel framing manufacturer, the company produces a complete line of steel construction products and services used in commercial building across the country.

Read More

The State of HVLS Technology

Images courtesy MacroAir

Since the original high-volume, low-speed (HVLS) fan prototype came to market more than 15 years ago, there have been significant technology and design developments improving the way they function. Confidence in the product has grown with architects and engineers through the establishment of an Air Movement and Control Association (AMCA)-approved method of measuring the fan’s performance and, more recently, updated safety guidelines through the National Fire Protection Association (NFPA) 13, Standard for the Installation of Sprinkler Systems.

Read More

Circulating good indoor air quality

All images courtesy Big Ass Fan Co.

What is invisible to the eye is often still prevalent to the other senses. Indoor aquatic facilities, despite being open and vast, often harbor poor indoor air quality (IAQ), which can result in occupational asthmatic-related issues, throat, nasal, and eye irritation, and other health-related symptoms.

Read More