Frequently asked questions

How do you open a baseboard register?

Place the unit on a firm surface. Press down on the back of the unit with one hand and use the other hand to grip the handle. Pull down and away from the back of the unit. The faceplate will snap away from the top of the edge and release. The back of the unit is now ready for installation. Close the register by snapping the faceplate back into position.


What is ABS Plastic Resin?

ABS plastic resin is a heavy-duty thermoplastic derived from acrylonitrile, butadiene, and styrene.  This material is designed to withstand temperatures up to 180°F. Accord registers made of ABS are dishwasher-safe, scratch-resistant, and capable of withstanding forces in excess of 300 lbs.


What is a damper?

A damper is a tool to control the volume of airflow. Damper types vary based on application.


What is a diffuser?

A diffuser is an air flow tool designed to control and release air supply air in a circular or partially-circular spreading pattern.


What is a grille?

A grille is simply a cover for an opening through which supply or return air passes.


What is a register?

A register is a grille with an attached damper through which supply air passes. Registers are commonly referred to within the residential markets of the HVAC Industry.


What is a "supply-air" & "return air"?

Supply air is conditioned air meant for delivery to an occupied space. Return air is the air taken from the occupied space that travels through return ducts and back to the air handling unit.


What is a t-bar?

T-bar refers to a common type of suspended or drop ceiling and commonly found in commercial locations.



As always, if you have any questions or issues concerning our products, feel free to call us at 1 800 906 9223.



Providing our customers with the largest selection
of registers, diffusers & grilles.



Phone:    1 800 906 9223



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