Thousands of people have turned on their air conditioning to battle the extreme heat as a heat wave grips the East Coast. But ...

Linde (LIN) announced that it has signed agreements to de-captivate two air separation units, or ASUs, and expand its existing supply of industrial gases to Tata Steel Limited in Odisha, India.

Linde is investing over $400 million for an air separation unit in Louisiana to support low-carbon ammonia production.

BTUh (British Thermal Unit per hour) is a measurement of an air conditioner’s cooling ability in an hour, also known as “tons”. One ton of air conditioning removes 12,000 BTUs of heat each hour.

The best window air conditioners are powerful, quiet, energy efficient and easy to install. Our top picks for 2025 include models from LG, TCL, Whirlpool and more.