It's also trying to use its conditioning technology to come up with dyes that don't dry out hair.

FORBES: A Fresh Face

Before you rush out and order a geothermal system, remember that furnace and air-conditioning technology has advanced as well, with new units 20% more efficient than a decade ago.

FORBES: Fort Knox's Buried Treasure

Much of the work is to update old infrastructure (heat, air conditioning, electrical, room technology), but the Ritz is also reducing the number of rooms and combining some of the smaller ones to add and enlarge suites.

FORBES: Ritz, Paris

The story of the American West is in part the story of advances in technology and transportation, including air conditioning and the highway system, which made it possible for people to live comfortably in more places.

CNN: Highways unleash America's wandering, restless spirit

Chua told CNN that she and Tan had taken technology and processes commonly used in air conditioning and air purifying units and adapted it for an alternative use.

CNN: Ioning your way to cleaner clothes

The report by AEA technology said emissions of the gases, used in refrigeration, air-conditioning and heat pump systems, were "relatively small" at 3.9% of the total but were increasing.

BBC: Guernsey greenhouse gas decrease continues