Your air conditioner isn't designed for extreme heat. Tips to keep cool : NPR

Extreme temperatures present a significant challenge to AC systems, which engineers and installers say are really only designed to keep indoor temperatures about 20 degrees cooler than outside.

Sales of heat pumps are rising. We answer your heat pump questions. : NPR

How to stay safe and cool in a heat wave : NPR

Florida architects refer back to 'passive cooling' home designs

Heat waves are dangerous during pregnancy, but doctors don't often mention it

Tips for Surviving a Heatwave with No Air Con

Your air conditioner isn't built for this heat. 5 tips to boost performance – WABE

11 more heat hacks on how to stay cool without an A/C, shared by NPR's readers : Goats and Soda : NPR

Year Long Air Conditioning Tips - Modern Plumbing, Heating, Cooling, & Electrical

Your guide to staying safe and cool during extreme heat : Life Kit : NPR