alaTest has collected and analyzed 245 user reviews of HEARTLAND 21000 Dryer Vent Closure from Amazon.com. The average user rating for this product is 4.7/5, compared to an average user rating of 3.5/5 for other Digital Video Recorders (DVR) on Amazon.com. People are impressed by the image quality and size. The design and price are also mentioned favorably. Some have doubts about the reliability.

This vent is the best on the market; bar none.! It seals out all outside air, no draft is possible; no outside bugs or birds, no rodents or varmitts can enter your home. Also it's so easy to clean the lint out, just remove the top-cap, and you're able...

These were a very well made product and they work very well Not difficult to install, but I do wish they had come with the extender part that is sold seperately.

Marketing makes it seem like it is easy install. It is not. I have a brick foundation--install takes time and is very precise. Don't even begin without a hammer drill, sharp masonry bit, new metal ducting, plastic anchors. All of the parts (vent...

Easy to install and works as advertisec. One small problem--the six mounting screws that were indicated as contained in the package were indeed not. So that caused me to go the the hw store and get some. Still, good product

This product is perfect for my application. I am in an open area with high winds. I wanted a vent that would not leak cold air into the house and this is the product to do it!

Gluing of the seams in the vent is a bit coarse. Some catch-22 involved in this vent's installation is that installing requires caulking, while the need for a new vent arises usually when it is cold. Otherwise, over the few months of vent's use, the...