As the Earth warms due to human-caused climate change, billions of people in the developing world will face life-threatening heat waves, raising the demand for air conditioning. But powering all of that cooling is going to take more...

Refrigeration and air conditioning are among the largest sources of carbon, and the refrigerants we use are greenhouse gases, too. But green refrigerants are on the way, from elastocaloric cooling to a method a bit like salting an icy road.

When you think about the impact of climate change on the circle of life, you likely picture polar bears or Bengal tigers struggling in new conditions. But the impacts on the world go all the way down to the tiniest creatures who do some...

The way we cool things down is heating the planet even more, says sustainable development expert Rachel Kyte -- and the solutions go well beyond just fixing air-conditioning. She identifies four major areas with transformative solutions...

Paul Andersen explains how stability and change are regulated in systems through controls and feedback. Controls are used to regulate matter and energy flowing into a system. Feedback mechanisms within the system are used to regulate...

When you think about the impact of climate change on the circle of life, you likely picture polar bears or Bengal tigers struggling in new conditions. But the impacts on the world go all the way down to the tiniest creatures who do some...

Accepting his 2005 TED Prize, photographer Edward Burtynsky makes a wish: that his images -- stunning landscapes that document humanity's impact on the world -- help persuade millions to join a global conversation on sustainability.

All humans want to be comfy, but the first air conditioner wasn't built for us--it was for a printing press!

Howcast - Learn how to make a pollution catcher out of vaseline and a paper plate with the instructions in this Howcast science project video.

Howcast - Keep your house cool and save money on utility bills by choosing an air conditioning unit with these features.

Howcast - With monthly savings on your electric bill, and maybe even a tax credit, buying an energy-efficient A/C unit is sure to be a good deal in the long run.

Many ways to help the environment are costly, but using less electricity is one measure that will save you money.

You can't study if you're sweltering. Stay cool with this handy, dorm-legal AC.

Refrigerants in heat pumps and air conditioners help move heat, but if they leak, they can cause much more global warming than carbon dioxide. A company called Tradewater collects old refrigerant canisters and safely destroys them to...

In this video, Munchie the Moose shares a heartwarming story about forgiveness. Through the tale of Daria and Kalia, viewers learn the importance of accepting apologies, letting go of anger, and giving second chances. Munchie reminds us...

The cold air produced by ACs is not inherently harmful. However, you may start to see symptoms of air conditioning sickness if your AC fails to restrain the bacteria, mold, fungi, dander, etc., that are thriving in the air-conditioned...

In this video, we will cover the process of making and adjusting air conditioners in architectural drawings. You will learn how to accurately represent air conditioners and their placement in different rooms of a building to ensure...

What's inside a filter drier and how do they work. In this video we'll be cutting open a hermetic filter drier from a refrigeration system to look at the internal components and learn how the unit works and where it is used to help you...

Learn the Basics of HVAC controls in this video on HVAC control basics. Covering heating and cooling system from switches, sensors and control strategies.

Danfoss has made it easy to match the right on/off, modulating, or digital...

How do air conditioning units work? Air conditioning system basics. We learn basic refrigeration cycle, compressor, condenser, evaporator and different types of expansion valves.

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06:08 The bulb refrigerant expands...

“Cooling Systems” examines refrigerators and air conditioners to highlight the importance of systems that keep temperatures cool.

John Lewis, Orion ECLS (Environmental Control and Life Support) system manager, discusses how the Orion spacecraft will keep the crew inside comfortable – and more importantly, alive – during a mission into deep space. HWHAP Episode 79.

My Home In Korea - Moving To Korea // We moved to Korea! Check out our super big house and its funny quarks and enjoy some drone aerial footage or our "backyard".

HVAC systems used in supermarkets & food retailers. In this video we look at different HVACR systems used in supermarkets & food retail outlets to understand the basics of how they work.