The ACHR NEWS Centennial Anniversary

RSS

Their first experience with a/c left fairgoers “struck with wonder.”

Heating, cooling, and humidifying air wasn’t new when Willis Carrier came on the scene. What was groundbreaking was the attempt at precise air control in a manufacturing environment. 

Check out our timeline for a visual snapshot of HVAC history — from Frigidaire's "Hot-Kold" home a/c system in 1931, to the advent of frozen dinners in 1953,  to the first smart thermostat, and beyond.

From iceboxes to intelligent systems, ACHR NEWS marks 100 years of documenting the people and technologies that shaped HVACR.