What's The Deal: A Brief History of Air Conditioning
For this week's What's The Deal, let's take a look at the world's most effective anti-perspirant: air conditioning.

For this week's What's The Deal, let's take a look at the world's most effective anti-perspirant: air conditioning.

Source: EIA

Source: Smithsonian
Air Conditioning

Source: Energy.gov

Source: Smithsonian

Source: Smithsonian

Source: Energy.gov

Source: Smithsonian

Source: Energy.gov

Source: Smithsonian

Source: EIA