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Emerson was founded in 1890 in St. Louis, Missouri, as a manufacturer of electric motors and fans. We’ve established a reputation around the world for technology innovation and industry leadership. Our game-changing technologies have served to transform whole industries – and that’s exactly what we set out to do with ComfortGuard technology.


As a top provider of heating and cooling solutions for both residential and commercial applications, Emerson has been keeping you comfortable for decades. Our unique perspective helped us understand that you can feel defenseless when faced with heating and cooling problems. More importantly, it helped us design a solution that empowers you to take control of your home comfort.