Air vents for doors can be purchased online through retailers such as Buy Vents Direct, Grainger and Home Decor Hardware. The Buy Vents Direct website carries over 1,000 different types of air vents and grilles for doors, as of March 2015.
The vents range in price from around $30 for an aluminum v-blade door vent to over $1,000 for a aluminum v-blade telescoping frame vent that is 96 inches wide and 36 inches tall. Buy Vents Direct also offers customers the option of purchasing custom made vents and grilles for doors by calling the customer service number located on the website.
Grainger carries over 30 different kinds of door vents that are priced between $48.15 for a steel vent that is 6 1/8 inches tall and 12 1/4 inches wide, and $230 for an aluminum door vent that is 26 1/4 inches tall and 26 1/8 inches wide. Door vents that are purchased through Grainger come with a one year limited warranty. Grainger also provides customers with a 30 day return policy for items purchased through the website.
Home Decor Hardware stocks six different kinds of door vents including Dome, Flat, Scroll and Return-Air vents. Many of the vents that are listed on the website also include different material and finish options as well. Home Decor Hardware also offers customers free shipping on orders over $200.