🌬️ Stay cool, save energy, and upgrade your foundation game effortlessly!
The Bestvents 315CBL Foundation Vent is a lightweight, plastic vent designed to fit standard 8x16 inch openings. It operates automatically without electricity, opening at 70°F and closing at 40°F to optimize airflow. Featuring a simple snap-in installation with color-matched set screws and a removable back for easy maintenance, it’s perfect for both new construction and replacement projects.
| Manufacturer | Witten Automatic Vent |
| Part Number | 315CBL |
| Item Weight | 1.6 pounds |
| Product Dimensions | 19 x 15 x 6 inches |
| Item model number | 315CBL |
| Is Discontinued By Manufacturer | No |
| Material | Plastic |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
K**Q
Perfect for out garden shed
Installed these in the garden shed/greenhouse my husband built. They are great. They automatically open and close to vent hot air without the need for electricity. Almost like magic. Easy to install. A super value!
B**E
Wish they used phillips head screws
I replaced my vents with these foundation vents around my house. They look nice as a finished project. The only suggestion I have for the manufacturer is to use phillips head screws rather than slotted screws
D**E
I purchased 8 of these vents. and 4 of ...
I purchased 8 of these vents. and 4 of them did not close when the weather got cold, causing my pipes to freeze, Amazon did nothing for me, said my 30 days were up. We had very warm days , so I did not check them out. spend a lot of money on amazon, and I think they would have taken them back. Sorry to say I will spend my money somewhere else. Shame on you amazon
L**A
I like the looks of these vents
I like the looks of these vents. But I had to make some adjustment for some of them to open and close. Two of the vents still wouldn't close. I think there can be some improvement, in the making of these vents. They say's that theses vents supposes to close at a temperature of 40, I don't think that is accurate. Some of these vents are still open at 35 degree. Some don't closes all the way either. Buy at your on risk.
T**N
They work exactly as advertised -- open at 70 degrees ...
They work exactly as advertised -- open at 70 degrees, closed at 40 degrees. They close tightly enough that I don't feel drafts.
E**J
Working as promised.
I bought these because, with the constantly changing weather here I get tired of having manually open and close the vents all the time. I installed 4 of these 2 on either side of the house. I have thermostatically controlled fans on one side I have them set to.turn on of as the vents open and close. Keeps the air moving on warm days and closed on cold. They are working great so far. Easy to install.
T**Y
Does not work
Put 4 of these in my freezer overnight. Only 1 partially closed. Good concept but poor craftsmanship.
A**J
Easy to install and works now
This was very easy to install with some cement caulk and appears to work very well opening and closing. Fit right in where the old vent hole was. Cool.
Trustpilot
3 days ago
1 week ago
