Mass Save Roof Vent Nfa

Each vent offers a full 60 sq.

Mass save roof vent nfa.

Nfa plastic slant back roof louver static vent in weatherwood sold in carton of 2 only 14 in. The fully enclosed hood deters rodent and insect infiltration and leaf and pine needle clogging. The lrv50 louvered roof vent is a great heavy duty vent for use on pitched roofs. This slant back roof vent is one of the best built and most reliable on the market.

Of nfa to allow cool fresh air to enter the attic. Net free area nfa net venting area adjusting for insect screen louvers and weather coverings. Screened aluminum soffit undereave vents provide 26 50 sq. This vent works best when used with soffit or gable end venting.

Eave vent gable vent roof jack. Constant comfort comfort is essential for every home and our products offer it with a constant and clean current of fresh air. Screen factor sf adjusts for airflow obstructed by screens and louvers. Nfa for roof ridge vent systems varies.

The master flow aluminum slant back roof louver is designed for attic ventilation. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. The net free area is always less than the actual area. It features 50 square inches of net free area louvers on three sides slant back and a low silhouette.

Mass save is an initiative sponsored by massachusetts natural gas and electric utilities and energy efficiency service providers including berkshire gas company blackstone gas company cape light compact columbia gas of massachusetts eversource liberty utilities national grid and unitil. Refer to manufacturer s specifications. Nfa weatherwood resin high impact slant back roof louver static vent carton of 6. Save up to 50 90 on a c related costs so you can get a return on your investment in as little as 1 2 years.

Located at the lowest portion of the roof these easy to install vents are a critical part of the attic ventilation system allowing the flow of fresh air into your attic. White powder coated aluminum static roof vent no moving parts wind turbine. Of net free ventilating area nfa.