Most students never knew that unit not only provided heat but also introduced outside air for ... the-window unit ventilators are still used in both new construction and renovation. However, they are ...

An enhancement to the Sentinel vertical unit ventilator, the new High Humidity unit was designed particularly for those geographic areas in the United States that must import humid make-up air into ...

With a dedicated outside air pretreatment coil ... While our regular Airedale Sentinel® Vertical Unit Ventilator is a great all-around product for classrooms across the nation, the Sentinel ...