KANSAS CITY, Mo. - Ruskin Co. has announced price hikes for three of its brands, citing significant increases in the cost of raw steel and aluminum, as well as higher freight costs and employee medical expenses.

Swartwout steel and fiberglass control dampers and aluminum and fiberglass louvers for the industrial HVAC and process markets will go up 1 percent to 2.5 percent.

Ruskin Co. announced a 1 percent to 2.5 percent price increase on its line of commercial and industrial control dampers, fire/smoke dampers, louvers, grilles and sunshades for the HVAC and architectural market.

Ruskin Sound Control raised prices 1.5 percent on all acoustical products.