About United Enertech

Our History Helps Us To Understand The Needs of The Industry

United Enertech is American owned and operated.

As a customer or potential customer you are invited to tour our facility at any time. We enjoy giving tours and are proud to show what United Enertech has become. We are proud of our history and welcome the opportunity to present an overview below.  Our history helps us to understand the needs of the industry and allows us to always be at the forefront of your needs.

United Enertech - Chattanooga Plant

The History Behind The Company

A Timeline of Events

The Beginning

The dream began in a small cinder-block building in the 1940’s. A small boy watched as his father built the building and then compiled materials needed to begin his own refrigeration business. The boy was William (Bill) Tate, and it was his father Paul that inspired the dream to continue in Bill.

1940’s – Paul’s Influence
1969 – Bill Completes Studies
1980’s – United Air Products
1988 – United Enertech Corporation
1991 – Inventor’s Award
1998 – United Enertech Thrives

1940’s – Paul’s Influence

Paul had graduated in the early 1940's from the Chicago School of Engineering. Soon after graduating Paul was drafted into the war, and his dream was put on hold. When he returned, he built the small cinder-block building and began getting ready to open his business. Everything was ready to start when tragedy struck. Paul suddenly fell ill and passed away. Bill was determined to carry on his father's dream...

1969 – Bill Completes Studies

By 1969 Bill had completed his studies at the University of Tennessee at Chattanooga and had earned additional certificates in hvac.

1980’s – United Air Products

He was ready to open his own business. He named it United Air Products. He liked the team work and American patriotism that the name "United" symbolized. It was in these early days of United Air Products that Bill was an original founder of the Chattanooga American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Chapter. In the spirit of hard work and determination, he built United Air Products into...

1988 – United Enertech Corporation

He decided it was now time to go to the next level and fulfill the dream. He formed United Enertech Corporation in 1988.

1991 – Inventor’s Award

Now Bill was finally in his element. The engineering side of him was able to come out. In 1991 Bill was awarded Inventor of the Year by the Chattanooga Engineers Club for the patented personalized control system, Private Aire. United Enertech manufactured this wireless remote controlled temperature zone control system until the patent was sold.

1998 – United Enertech Thrives

In 1998 Bill sold United Air Products to focus all of his energy on United Enertech. It was at this time that United Enertech was able to begin to thrive. The company moved to a larger facility and began really making its mark in the industry. The facilities have been expanded three times since 1998 to keep up with the company's growth.

Our Partners

We are proud to be working with the following partners


Texas Department of Insurance (DPI)

The State of Texas is part of the U.S. insurance regulatory framework which is a highly coordinated state-based national system designed to protect policyholders and to serve the greater public interest through the effective regulation of the U.S. insurance marketplace.


California State Fire Marshal

The Office of the State Fire Marshal provides support through a wide variety of fire safety responsibilities including: regulating buildings in which people live, congregate, or are confined; by controlling substances and products which may...


AMCA International, Inc.

The Air Movement and Control Association (AMCA) is an international, not-for-profit association of the world’s manufacturers of fans, louvers, dampers, air curtains, air flow measurement devices, ducts, acoustic attenuators and other air system components.


Miami Dade County

The Florida Building Code (FBC) is a set of standards designed by the US state of Florida for buildings. Many regulations and guidelines distributed are important benchmarks regarding hurricane protection. Miami-Dade County was the first in...


Underwriter Laboratories (UL)

As a global company with more than 120 years of expertise, UL works with customers and stakeholders to help them navigate market complexity. UL brings clarity and empowers trust to support the responsible design, production, marketing and purchase of the goods, solutions, and innovations of today and tomorrow



Leadership in Energy and Environmental Design (LEED) is one of the most popular green building certification programs used worldwide. Developed by the non-profit U.S. Green Building Council (USGBC) it includes a set of...

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