28 days of Black Inventions: Hvac System Designs

28 days of Black Inventions

February 23rd, 2017

Hvac System Designs

As we normally do this time of year, we’re going to celebrate Black History Month by acknowledging 28 of the most influential, world changing inventions by Black People. Our goal is to shed light on some inventions that most people probably didn’t know about, some of the lessor known inventions as well some of the more notable inventions. So, join us on our 28-day journey and you might learn a thing or two.

Hvac System Designs


One of his many HVAC related Inventions.


The Term HVAC is a widely-used acronym for Heating Ventilation & Air Conditioning. The very reason we have Modern uses of these systems. They provide the comfort essentials for the modern world. Air Conditioning for the summer & Heating for the Winter. There were many people involved in the creation of HVAC. Knowing how the HVAC system works allows many other to piggy back off the design and improve upon it as they desire.

Beginning with Willis Carrier, the modern HVAC system was born with its central objective to keep warehouses cool, especially in a Printing Plant where Mr. Carrier worked. However, for this blog were referencing another individual who made great strides and additions to the HVAC Industry. With so many moving parts and areas of expertise it takes a dedicated person to master this trade.

David Nelson Crosthwait Jr


David Crosthwait was an African American Engineer, Journalist & Inventor among his many titles. He was an exceptional mind and a master of HVAC technology. Starting out as a researcher tech. & Director at C.A. Dunham Company, he excelled in his studies and lab work. He’s probably most renowned for his HVAC system installation at the World-Famous Radio City Music Hall in NYC. As the lead designer of the Theaters state of the art HVAC System he garnered recognition everywhere.

He Invented many advancements in the HVAC field at he won awards from the National Technological Association in the 1930s. He stayed on as Technical advisor for Radio City Music Hall for almost 40 Years before retiring in 1969. He would write many articles and Testimonies regarding his mastery of HVAC. He is the owner of over 30 U.S Patents and a collection of 119 total Patents worldwide. He ended his Professional Career as a Professor at Purdue University in Indiana.

Editor’s Note:

It should be noted that Mr. Crosthwait did not Invent the HVAC system in general, only his specific way of implementing it which garnered many of his Patents. Nonetheless, he was a very accomplished man with several Degrees in Engineering. #Thankyou




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