Environmental Control Units Explained                                                

                 Quartet features many top of the line products for the physically impaired.

                                       Comparison Chart

Quartet Technology, Inc. is the world leader in Environmental Control Unit technology and offers a wide array of products to suit the needs of its clients. All Environmental Control Units perform most of the same functions but vary by the method of control that best suits the client.

Voice Control Your World!  Independence, Security, Entertainment, & Communications using only your voice for Complete Environmental Control!

                                  Voice IR Environmental Voice Control