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BobVila.com > Channels > HVAC > All Tips > Adding Insulation Adding InsulationInstall additional attic insulation at right angles to the previous layer. You don't have to use the same type of insulation - it's fine to use batts or blankets over loose-fill, or vice versa. Upgrading from three inches to 12 inches can cut heating costs by 20 percent, and cooling costs by 10 percent. Related Showrooms• Cadet - Zonal heating solutions for your home from Cadet• WholeHouseFan.com - Cool Your Home with a Whole House Fan • Radiantec - Radiantec Solar heating systems for home heat • Sears - Heating & Cooling Repair | |
