A variable air volume package is now being offering with the DP40 and DP50 MoistuRe-Mover outdoor air units for applications where the amount of outside air must be varied to match demand. The VAV package allows the unit to decrease the amount of outside air being supplied to as low as 15 percent of the full air flow, according to the company. Other features include internal bypass damper with electronic modulating actuator, adjustable frequency drive, air flow measuring station, static pressure sensor for the supply duct and microprocessor control of the unit.

Outside Air Solutions Co., 8900 Glebe Park Drive, Easton, MD 21601; (410) 822-8763; fax (410) 822-9200; www.outsideairsolutions.com.