The Retro Damperâ„¢ is a low-cost retrofit zone control damper that can easily add zone control to any existing home, the manufacturer says. Also, it is an alternative to pneumatic systems that ...

Zone Oneâ„¢ is a zone control damper assembly designed to solve overheating and overcooling problems. It can be used to control a single room or, by using a number of dampers, it can zone multiple ...

THIS column provides information about the use of outdoor air dampers in hot and humid climates and during hot and humid seasons in temperate climates in commercial buildings. Terms used in this ...