Our Team
Our Team
Big Bear Air

Experienced HVAC Contractors in Plano & Beyond

Diel Rojas, Owner, Big Bear AC & HeatingDiel Rojas

The “Original” Big Bear! Started the company in 2006 after having worked for other A/C companies and recognizing there was “something missing” when dealing with customers. Married to Sandi and has a son, Jack, who has more personality and smarts than any kid his age. “My main goal is to help people more every day!”





Bryan West, Senior HVAC Technician, Big Bear AC & HeatingBryan West
Senior HVAC Technician

Originally from Lee Summit, Missouri, Bryan has been with Big Bear for over 3 years. Graduated from Lindsey-Cooper HVAC School. Married to Nicole and has 2 children, a dog, 2 cats, and 2 frogs. Loves spending time watching movies with his family. Bryan will do ANYTHING for you – and does not ever give up!





James Cashman, Senior HVAC Installer, Big Bear AC & HeatingJames Cashman
Senior HVAC Installer

Originally from Sarasota, Florida, James recently relocated to Frisco, TX. He has over 6 years of HVAC experience following his graduation from a trade school in Florida. Loves fishing and hunting. James’s motto is “Be kind to people – it comes back two-fold!”





Ezequiel Palacios, HVAC Technician, Big Bear AC & HeatingEzequiel Palacios
HVAC Technician

EZ, as he is known in the shop, is originally from Durango, Mexico. He grew up working on HVAC systems with his uncles since he was a teenager. He is a graduate of Remington College. Hobbies include getting a good work out and grilling. EZ’s mantra: “Treat people the way you want to be treated and everything is good!”