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7 HVAC FACTS/Carrier, Bryant, Goodman, Lennox, Rheem,Trane

Posted 12/07/2023 By Jim Froman

1. The New York Stock Exchange was the first building to have air conditioning in it.

2. The first record of the idea of air conditioning was attributed to British Scientist Michael Faraday. He discovered in 1820 that by compressing and liquefying ammonia gas, one could chill an adjacent substance when ammonia was allowed to evaporate.

3. Closing air conditioning unit registers (air vents) on unused portions of the home or building to save electricity and money is a myth. It can actually cause the unit to have problems due to excess pressure on the compressor.

4. Before HVAC units, it was thought that summers were too hot for children to learn, which is why we have “summer break” now.

5. The Romans were the first to use any kind of air heating system. They also had heated floors in the winter.

6. The first modern air conditioning unit was invented in 1902 by Willis Carrier, with the intent of keeping temperatures and humidity low for a publishing company in New York. It made their paper a more consistent product.

7. Ceiling fans are good for cooling your skin and keeping a higher temperature room comfortable, but they don’t actually help the unit. Turn your fans off in the unoccupied rooms to decrease the utility bill.

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