Tjernlund: Powered Register Booster Fans, 2012-07-23

Designed for use in residential applications where homeowners’ rooms are uncomfortably hot or cold because their forced-air furnace/air conditioner blower cannot provide adequate velocity, the Duct Booster® register booster fans can now increase comfort. The register fans feature an energy-efficient, high-velocity cross-flow blower that is ultra-quiet (1.4 sones) and uses 20 W of electricity. Fans are available in two sizes to fit into standard 10- and 12-inch-wide register boots, plug into a 120-vac outlet and are compatible with SCP speed controls. A commercial-grade, paintable steel . . .
Designed for use in residential applications where homeowners’ rooms are uncomfortably hot or cold because their forced-air furnace/air conditioner blower cannot provide adequate velocity, the Duct Booster® register booster fans can now increase comfort.

Tjernlund RB10 Register Booster Fan, Fits 4 x 10 Register, Brown: Built In Household Ventilation Fans: : Tools & Home Improvement

Duct Booster Fans : Crawl Space Ventilation : Dryer Boosting : Tjernlund Products, Inc.

Tjernlund Duct Booster 4 in. x 12 in. Steel Register Booster Fan, Brown with Silent Blower RB12 - The Home Depot

Tjernlund Duct Booster 4 in. x 12 in. Steel Register Booster Fan, Brown with Silent Blower RB12 - The Home Depot

Tjernlund P-4 Plastic High Pressure in-Line Duct Booster Fan, 4

Tjernlund CBBL Register Booster Fan Steel Black, CM-300, CM-300B: : Industrial & Scientific

Tjernlund M-49504351 In-Line Fan with Current Sensor Switch Dryer Duct Booster M

Tjernlund 325 CFM 8 Duct Booster Fan

Tjernlund RB10 Register Booster Fan, Fits 4 x 10 Register, Brown

Tjernlund Duct Booster 7.5 in. x 6 in. x 6 in. Fan EF-6 - The Home

Tjernlund Register Fits 15 in. x 7.1 in. x 6 in. in White Booster Fan RB12X6W - The Home Depot

Tjernlund Retail Store—Dryer Duct Booster (Model LB1), 5 Year No-Clog Guarantee