Image A ducted central return brings air from central return registers back to the air handler through insulated, air-sealed ducts Publication Date Thu, 03/09/2017 - 12:00
Compact Air Distribution Description Guide describing design and installation of compact duct systems for central heating and cooling systems.
Air Sealing the Air Handler Closet Description Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.
