The $40 Billion Hiding in US Buildings inside the lights, AC, thermostats, furnaces and fans of our offices, stores, hospitals and schools.

A pretty big wad of money — $40 billion — is hiding somewhere inside the lights, AC, thermostats, furnaces and fans of our offices, stores, hospitals and schools.
That’s the amount of money the federal government estimates we can save annually by reducing energy use in commercial...The $40 Billion Hiding in US Buildings inside the lights, AC, thermostats, furnaces and fans of our offices, stores, hospitals and schools.