Who invented the first air conditioner? a) W. G. GRACE b) Willis H. Carrier c) Albert Einstein d) Robert Hook Willis Carrier invented first air conditioning unit in 1901 when he was just 25 years old. 》𝐃𝐎𝐖𝐍𝐋𝐎𝐀𝐃《 This Page in PDF File NOW!!! Read more articles Previous PostWhat is the white part of the eye called? Next PostWho invented the light bulb in 1879? Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ You Might Also Like The lifespan of Red Blood Cells is ____ days. January 18, 2023 What is the scientific study of heredity called? March 5, 2023 Ozone depletion in the upper atmosphere caused by the release of _____ gases. August 2, 2023 The study of earthquakes is known as May 9, 2020 Medicines used to kill weeds are known as: July 13, 2023 What is the scientific study of soil called? March 5, 2023