10 20 40 80 -20 40 100 60 120 50 I. Winter winds eat up cold cash Before the mercury dips, follow these tips to minimize your heating costs: Seal air leaks around windows and doors. Caulk or seal entry points where ductwork, wiring, and plumbing are installed. Add insulation to the foundation and attic. For more energy-saving tips, visit otpco.com/SaveNow. OTTER TAIL POWER COMPANY 201.30/ 0p |-40 50 -30 / 20 10 20 40 80 -20 40 100 60 120 50 I. Winter winds eat up cold cash Before the mercury dips, follow these tips to minimize your heating costs: Seal air leaks around windows and doors. Caulk or seal entry points where ductwork, wiring, and plumbing are installed. Add insulation to the foundation and attic. For more energy-saving tips, visit otpco.com/SaveNow. OTTER TAIL POWER COMPANY 201.30/ 0p |-40 50 -30 / 20