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, supported by exceptional customer service.

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.

We believe 60 years of Experience Matters.


Electrical Equipment


Contact Person:

Ron Motto
206-762-0400 (x115)

For more information or any questions about Made in Washington, please contact Jessica Ingle at (425) 438-1146 x109 or

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