Billionaire Profile
Norman Asbjornson
Global Rank
#2933

Image: Public domain | via Wikimedia Commons

Norman Asbjornson

CEO, AAON, Inc.
US
Real-Time Net Worth
$1.2B
As of December 2025
Age
89
Source
HVAC
Industry
manufacturing
Citizenship
US

Biography

Norman Asbjornson, a self-made billionaire and U.S. Army veteran, is the founder of AAON, an HVAC manufacturing company. Born in Winifred, Montana, in 1935, Asbjornson, now 89, built his fortune through strategic business decisions and a keen understanding of the HVAC industry. He founded AAON in 1988, taking it public in 1991. Asbjornson served as CEO until 2020 and retired as executive chairman in 2022, but continues to serve on the board. His net worth is estimated to be $1.2 billion, and his contributions extend beyond business through significant philanthropy, especially to his alma mater, Montana State University.

Wealth Over Time

In-Depth Profile

Early Life

Norman Harold Asbjornson was born in Winifred, Montana, on December 10, 1935. He was the first in his family to be born there. Growing up during the Great Depression, he learned the value of hard work early on. His entrepreneurial spirit emerged at a young age when he started various odd jobs to earn money.

Rise to Success

After graduating from Montana State College (now Montana State University) with a degree in mechanical engineering in 1960, Asbjornson embarked on a career in the HVAC industry. He began as a salesman for American Standard. He worked his way up, gaining experience in sales and management in various cities. In 1972, he became head of national and international sales for Singer. In 1988, after 27 years in the HVAC business, he founded AAON, Inc. He bought the heating and air-conditioning division of John Zink, forming AAON. Under his leadership, the company went public in 1991 and secured major contracts with companies like Walmart. Asbjornson served as CEO until 2020, then transitioned to executive chairman, retiring in 2022 but remaining on the board of directors.

Key Business Strategies

Asbjornson's business acumen was evident in his ability to identify opportunities and build strong relationships. He leveraged the existing client base from his previous company, especially Walmart, to drive AAON's early success. He focused on providing high-quality products and adapting to customer needs. He also diversified the company by securing contracts with schools and other large institutions.

Philanthropy

Asbjornson has a strong sense of giving back. In 2014, he pledged a $50 million donation to Montana State University's College of Engineering, which was the largest private gift in the history of the state. He has also contributed significantly to his hometown of Winifred, funding projects such as a new city hall, library, museum, and community center. In 2023, Asbjornson donated $10.4 million for the construction of the new Montana Heritage Center in Helena.

Career Milestones

1960

Graduated from Montana State College

Earned a degree in mechanical engineering.

1988

Founded AAON, Inc.

Started an HVAC manufacturing company after buying the heating and air-conditioning division of John Zink.

1991

AAON went public

AAON, Inc. became a publicly traded company.

2014

Pledged $50 million to Montana State University

Made the largest private gift in the history of Montana to the College of Engineering.

2020

Transitioned to Executive Chairman

Stepped down as CEO of AAON, Inc.

2022

Retired as Executive Chairman

Retired from the role of Executive Chairman but remains on the board of directors.

Philanthropy & Social Impact

Education

Montana State University College of Engineering

$50M

Largest private gift in Montana's history for a new facility.

Community Development

Winifred, Montana Community Projects

Varies

Funding for new city hall, library, museum, and community center.

Cultural Preservation

Montana Heritage Center

$10.4M

Donation for the construction of the new Montana Heritage Center.

Education

Scholarship Fund for Graduates

$1M

Scholarship fund at Montana State University for graduates from Montana high schools with 100 or fewer students.

Business Philosophy & Leadership

Notable Quotes

"“I am excited to see the amazing growth of MSU and the College of Engineering. I hope my gift challenges and inspires others who are in a position to advance the university that has given us so much. MSU needs our support now and this is the time to give back.”"

Leadership Principles

Vision

Having a clear vision for the future of the company and the industry.

Perseverance

Overcoming challenges and setbacks with determination and resilience.

Strategic Partnerships

Building strong relationships with key clients and partners.

Community Involvement

Giving back to the community and supporting educational and cultural initiatives.