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Why King?

Since 1958 King Manufacturing Company has been the premier North American manufacture of smart heating solutions including Industrial, Commercial and Residential Electric Heaters and Thermostats, Hydronic Heaters, Electric Heating Cables and Accessories– making us a one-stop solutions provider. We build smarter, more reliable and efficient electric heating products that offer an unparalleled user experience of temperature control, while reducing energy waste.

As a family owned company that was founded in Seattle and thrives manufacturing heaters here every day, we have been inspired by our customers to advance our industry through technology. Technology designed to make our products more efficient and offer more precise control.

With products like our new electronic ECO2S series 2 stage heaters that automatically adjust the heat output, minimizing the electricity spend and maximizing customer comfort and the ATMOZ Series Thermostat, a new generation of WIFI connected room controls, our products simply Work Smarter Not Harder.

In this age of conglomeration, big business, and a global economy, King is still proudly family-owned and continuously based out of Seattle, Washington. Our products are made right here in the good ol’ U.S.A.

Residential or commercial electric heat: at King we anticipate your needs and provide you with the best!


Making the BEST Heaters in the World. Right Here at Home.


Made in USA Since 1958.



Read about how King Electric's new automated turret press speeds up productivity and reduces materials usage.