About Us

Warren Electric Heating Technologies is the most reliable manufacturer for high-quality standard and custom electric process heaters. That's something we've proven each business day since our beginning in 1962.

Serving diverse industries, we provide a comprehensive source for electric immersion heaters, accessories, and services. We have a long track record of satisfying customer requirements with application, expertise, quick turnaround, and value. Whether you need to heat water, oil, chemicals, liquids, or gases, we can make a heater to fit your application.

The culture at Warren Electric is based on a family owned customer centric belief that as a team we can meet the heating needs of almost any application. We take pride in our ability to design, engineer, and build quality electric process heaters from small flanged immersion heaters to seven foot circulation heaters and everything in-between.

We are here to help

Michael Mattox
General Manager
Troy Enos
Director of Engineering
Dave Sousa
Director of Manufacturing
Peter Nacu
Director of Operations
Douglas Machado
Design Engineer
LuAnn Harris
Customer Service / Inside Sales
Kerry Guimond
HR / Inside Sales
Patti Phillips
Administration / Finance
Meesh Correira
Administration / Finance



Many of Warren's products are UL (Underwriters Laboratories) Listed. When you choose Warren, you know that your heaters have been built, inspected, and tested in accordance with UL standards and backed by a 15 month warranty.


Warren has been accredited with the ASME “U” and “UM” Stamps for construction of Pressure Vessels and with The National Board of Boiler and Pressure Vessels “R” Stamp for the repair and alteration of pressure vessels, and to register vessels under Warren Electric Heating Technologies.

ISO 9001:2015

Warren is an ISO 9001 registered manufacturer. As an ISO 9001 registered company, Warren has established and been audited to meet the high quality standards necessary to meet or exceed the expectations of our customers and continuously strive for excellence.


Our application engineers and technical specialists review and approve all our designs to the latest edition of the National Electric Code. Only heaters, which pass our rigorous electrical tests in addition to many other inspections, are approved for shipment to our customers.


Warren can provide “CE” conformance for your export products. “CE” safety requirements are required for products sold into the European Union of countries. These requirements declare that the product has been tested and conforms to applicable safety standards and specifications.


As an ASME certified manufacturer, Warren is able to obtain CRN (Canadian Registration Numbers) in the Provinces and Territories of Canada to meet pressure vessel requirements of our customers.

"Buy America Act"

All our heaters and casings meet the requirements of the "Buy America" Act.