Every time you adjust your thermostat, you're using the genius of a forgotten Black woman inventor.

In 1919, while America still heated homes with dangerous coal stoves and wood fires that killed thousands each year, Alice H. Parker had a revolutionary idea. Her patent for a gas-powered central heating system would become the foundation of every modern HVAC system?yet her name was deliberately erased from history.

HEAT OF GENIUS reveals the extraordinary story of the woman whose innovation transformed how the world stays warm.