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The M18™ Job Site Fan is designed to circulate air more than 40 feet and provides enough runtime for a full day’s work on a single battery charge. 

Engineered based on California’s Title 24 requirements for economizer fault detection and diagnostics (FDD), EconomizerPro uses wireless sensors installed in air passages to measure inside air, outside air, and current. 

Many professionals are wondering exactly what’s involved in this test, the equipment that’s needed, third-party testing, and how to pass these tests. Let’s take a look at some of the basics for residential duct-leakage testing.

Commercial building codes are mandating higher volumes of fresh-air intake than ever before. To help meet these ventilation requirements, more and more HVAC contractors and building owners are turning to dedicated outdoor air systems (DOAS). 

What if they cause more harm than good? Let’s look at the potential impact these smartphone-controlled dampers can have on the typical duct systems found across the country.

This AKSD axial fan delivers up to 5,585 cfm with an improved mix of airflow and static pressure. 

A series of round-shaped, spring-loaded 4 ¾-inch home-décor circular panels are now available in 7- and 9-inch commercial sizes. 

MBI Centrifugal In-Line Fans are designed for residential and light commercial ventilation applications. 

The Dr. PTAC option is available in Islandaire’s EZ Series DR product line and in the EZ Series VR (vertical unit).