Meet Our Comfort Specialists


2018 marked Greg’s 49th year in the HVAC business.  He started at age 16 as a part time sheet metal apprentice under his father.  He attended Chicago public school system and has various HVAC certifications and designations.  He has four daughters and three grandchildren.  He enjoys working with people to help solve their comfort problems.  He is a baseball fanatic and enjoys time with his family and dog.



Pat has been in the HVAC business for 30 years.  He has been in every role form installer to sales over the years.  There is not much he hasn’t seen or hasn’t been able to solve.  He is an expert at forced air systems, high velocity systems, and ductwork.  He enjoys spending his off time camping and going to concerts.  He loves helping people and solving their home comfort issues.




Matt joined the Deljo team in 2017 to pursue his life-long passion for helping others. Prior to joining Deljo he was an HVAC service technician and licensed plumber for his father’s company in Texas. Matt learned much of what he knows from his father, who has owned and operated a successful heating, AC and plumbing company in Dallas for over 40 years. In the rare event that he is not working, Matt enjoys running, cycling, trivia, and following virtually all sports. Matt is a libra, enjoys long walks on the beach, and he will do whatever it takes to make sure his customers are happy.



Winners of the Angie's List Super Service Award from 2004 to 2017!

2700 N. Campbell Ave, Chicago, IL 60647