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1960s
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- By the late 1960s, most new homes had central air conditioning, and window air conditioners were more affordable than ever, fueling population growth in hot-weather states like Arizona and Florida.
www.energy.gov/articles/history-air-conditioning
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2015年7月20日 · By the late 1960s, most new homes had central air conditioning, and window air conditioners were more affordable than ever, fueling population growth in hot-weather states like Arizona and Florida. Air conditioning is now in nearly 100 million American homes, representing 87 percent of all households, according to the Energy Information ...
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The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air.
2019年6月24日 · Today, almost 75 percent of U.S. homes have air conditioning, but for an appliance that has become a near necessity for Americans, one of the first of its kind was surprisingly unconcerned...
2022年9月9日 · So at first, air conditioning was just about good times and macaroni. But pretty soon it went from luxury to necessity. The real shift happened after World War II. Air conditioners were becoming more affordable. And in the ’50s, there were a lot of new houses
2015年1月1日 · 1950s: In the post-World War II economic boom, residential air conditioning becomes just another way to keep up with the Joneses. More than 1 million units are sold in 1953 alone.
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Today, 87% of American households, roughly 100 million homes, have air conditioning. The popularity of air conditioners has also led to rapid improvements. They continue to evolve to be more energy-efficient, for example. HVAC technicians, including your .
2017年8月4日 · Aug. 4, 2017. Air-conditioning has been remarkably good at creating demand for itself. It enabled the sweeping postwar development of the South, where all new single-family...
