• " The team at Carolina Green were able to make recommendations with supporting explanations that were easy to understand. They were only interested in providing solutions that would benefit my family the most. "
    - Antoine T., North Charleston, SC
  • " Carolina Green Energy Systems improved air quality and lowered our energy consumption, to the tune of a 40% reduction in the first several months. "
    - Nick Holmes, James Island, SC
  • " CGES did an excellent job evaluating, programming, encapsulating, and preserving the integrity of the construction of my 2-year old house and protect it against the high humidity and cold winter. "
    - Sam, Mt. Pleasant, SC
  • " I immediately noticed a difference in the comfort level of my home, less noise, no variations in temperatures of the rooms and improved air quality. The best part is, I have seen average monthly decrease in my power bill of $50/month. "
    - C.O., James Island, SC

Foundation Vents


Flood vents protect homes and buildings in floodplains by preventing hydrostatic pressure buildup that can destroy walls and foundations.

Smart Vent foundation vents can protect your home.

About Smart Vent

Smart Vent offers a full line of models to fit any application, residential or commercial. Models range from the Dual Function SMART VENT Series, offering flood protection and natural air ventilation, to the Insulated FLOOD VENT Series. SMART VENT offers a wide range of sizes and configurations to accommodate different building elements and square footage.


MODEL 1540-510

This Dual-Function SMART VENT FOUNDATION model provides flood protection along with natural air ventilation. Louvers inside the vent door pivot open and closed with temperature. Fully open around 75° F, and fully closed around 35° F.

This model is certified for 200 sq. ft. of flood protection per vent and is 16 in. x 8 in. (standard CMU or block size). Constructed of marine grade 316 stainless steel, and is 3 in. in depth. Powder coat paint options are available.


MODEL 1540-520

This Insulated FLOOD VENT FOUNDATION model seals out cool or warm air with a solid door and weather stripping. The 2 in. styrofoam core inside the vent door has an 8.34 R-value.

This model is certified for 200 sq. ft. of flood protection per vent and is 16 in. x 8 in. (standard CMU or block size), Constructed of marine grade 316 stainless steel, and is 3 in. in depth. Powder coat paint options are available.


MODEL 1540-524

This Insulated OVERHEAD GARAGE DOOR model seals out cool or warm air with a solid door and weather stripping. The 2 in. styrofoam core inside the vent door has an 8.34 R-value.

This model is certified for 200 sq. ft. of flood protection per vent and is 16 in. x 8 in. making it ideal to retrofit into an existing garage door. This model installs with supplied back plate and bolts, constructed of marine grade 316 stainless steel, and is 3 in. in depth. Comes standard in white powder-coated stainless steel.


MODEL 1540-570

This Insulated WOOD WALL FLOOD VENT model seals out cool or warm air with a solid door and weather stripping. The 2 in. styrofoam core inside the vent door has an 8.34 R-value.

This model is certified for 200 sq. ft. of flood protection per vent and is 14.5 in. x 8.5 in. It is designed to fit between wood studs on 16 in. centers. Available in Insulated-style only. This model is constructed of marine grade 316 stainless steel and is 3 in. in depth. Powder coat paint options are available.

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