A full line of fire dampers and ceiling radiation dampers is available for use wherever air distribution system duct-work penetrates fire-rated barriers. The line of dampers includes both gravity and dynamic models that are available in a wide variety of sizes for specific requirements, including hard ceilings.

Providing aerodynamically superior performance, the FHRV Fiberglass Hooded Roof Ventilators are ideal for corrosive environments or contaminated airstream applications, claims the manufacturer. The roof ventilator features an FRP airfoil axial impeller, which has a factory-set blade pitch for precise performance matching.

The HPG3845 extreme weather grille offers designers a ventilation solution for their near-absolute life safety requirements, the company said. Tested to FEMA 361, this severe-duty grille can be mounted internally, externally, or in conjunction with other louvers.

Model Geni 6xr is an easy-to-install through-the-wall fan that increases airflow from room to room or level to level, enabling consumers to enjoy the warmth from their fireplace or pellet stove in any room. Also it can be used to enhance a home’s existing HVAC system.

The HPG3845 extreme weather grille offers designers a ventilation solution for their near-absolute life safety requirements, the company said. Tested to FEMA 361, this severe-duty grille can be mounted internally, externally, or in conjunction with other louvers.

Providing aerodynamically superior performance, the FHRV Fiberglass Hooded Roof Ventilators are ideal for corrosive environments or contaminated airstream applications, claims the manufacturer. The roof ventilator features an FRP airfoil axial impeller, which has a factory-set blade pitch for precise performance matching.

A brochure explaining a cost-effective way to mechanically circulate fresh outdoor air within the crawl space to eliminate excess moisture is available to builders, remodelers, and homeowners. The brochure includes installation, number-of-ventilators-required calculator, performance, and dimensions.

Over the last 10 years, there has been a growing trend toward using insulated products like fiberglass duct board and flexible duct, especially in the new construction market. Today this trend is continuing because of the emphasis on the whole-home approach to energy conservation and home performance contracting.

Teamwork and ingenuity helped contractors at Dynamic Systems Inc. turn a major shipping and handling problem into an innovative and award-winning duct rack system. Two employees located in the Phoenix office worked together to create a solution for shipping ductwork that saved over 1,000 man-hours.

When Virginia contractors Southern Air Inc. and Kirby-Vass Insulation Inc. joined the project team for the construction of the expansive Greenbrier Casino Club, an addition to the historic, luxurious Greenbrier Resort in White Sulphur Springs, W.Va., they knew they would be put to the test.