Nearly 400 Missourians died from an extreme heat wave in 1980. The effects are still felt across St. Louis, Missouri and the nation.

Roughly 40% of heat comes in through windows. Use fans strategically. Fans circulate air, creating a windchill effect, so position them to draw in cooler air or exhaust hot air.

Roughly 40% of heat comes in through windows. Use fans strategically. Fans circulate air, creating a windchill effect, so position them to draw in cooler air or exhaust hot air.

Roughly 40% of heat comes in through windows. Use fans strategically. Fans circulate air, creating a windchill effect, so position them to draw in cooler air or exhaust hot air.