About Us

Since its opening in 2012,Tri-Den Heating and Air Conditioning is a Mentor, Ohio based company servicing residential and light commercial properties with 24/7 around the clock service.

With over 25 years combined experience from owners Nick Trivisonno and Frank Dengel, Tri-Den is dedicated to finding solutions to fit each customer’s heating and cooling needs. 
Tri-Den has been a Fast Track 50 award winner 2 years in a row and is quickly becoming a well-known name for dependability and trust. The company was recognized for its growth and ranked No. 5 on the 
2017 Lake-Geauga Fast Track 50 Emerging Companies list.

The company is a family owned and operated partnership, and customers value the opportunity to deal directly with the owners.

Our main manufacturer is Carrier, a world leader in heating, air-conditioning and refrigeration solution designed in July 1902 by Willis Haviland Carrier.

If you need service on any brand of heating or air conditioning, contact us and we’ll get back to you!