Housing Devices

Connect the ADA 121 audio/visual Remote Alert System to a doorbell or intercom and never miss a visitor again! As an assistive device for individuals with visual and/or hearing impairments, the ADA 121 is compliant with the Americans with Disabilities Act (ADA). The ADA-IS and ADA-IS-UL are designed to provide maintenance free, highly visible AREA OF REFUGE ASSISTANCE message under all lighting conditions. These signs use high brilliance, high reliability L.E.D.s as their internal light source. Power consumption is less than.

Housing Devices, Inc. (HDI) was established in 1978 to serve the building communications and security needs of commercial and multi-unit building developers, owners and managers. Since introducing our first vandal proof 16 gauge stainless steel building intercom system, Housing Devices has expanded it's range of products and services to help architects, engineers and building developers meet the "Area of Refuge" Emergency Call System requirements and specifications of the U.S. Government's American Disabilities Act (ADA).

We make replacements for ALL manufacturers stations, EXCEPT Nutone for which we make a replacement system (you cannot just replace the stations). A flush panel sits flat on the wall and necessitates cutting a hole in the wall for the components on the back of the panel to fit through. A surface panel is attached to the wall surface and sticks out 2″ from the wall. No cutting is necessary. You need an amplifier cabinet if you are connecting the system to an existing fire alarm system and utilizing that system's battery backup system or if you are using a separate UL listed battery backup system.