Open or close windows and blinds

National Grid U.S., which serves upstate New York as well as New York City, tells its customers to take advantage of cool, breezy nights by opening windows rather than running air conditioning. Conversely, on sunny and warm days, blinds and window shades can be shut to keep inside rooms cooler without using electricity.
National Grid U.S., which serves upstate New York as well as New York City, tells its customers to take advantage of cool, breezy nights by opening windows rather than running air conditioning. Conversely, on sunny and warm days, blinds and window shades can be shut to keep inside rooms cooler without using electricity.

National Grid U.S., which serves upstate New York as well as New York City, tells its customers to take advantage of cool, breezy nights by opening windows rather than running air conditioning. Conversely, on sunny and warm days, blinds and window shades can be shut to keep inside rooms cooler without using electricity.

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