St. Louis Character: How Allen Coggins went from tinkerer to inventor of new furnace technology
March 31, 2022 at 10:53 AM EDT
After a lifetime of tinkering around to figure out how to make things work better, Allen Coggins began to notice how older fellow union HVAC tradesmen limped with injuries after a lifetime of carrying heavy furnaces up and down stairs. He spent years developing a better furnace.
