WELCOME TO TRIANGLE ENVIRONMENTAL INC   Welcome to Triangle Environmental Inc., serving Chicago, Illinois and surrounding suburbs. Our experienced team of skilled professionals provides expert care for all of your HVAC needs.   Call us today! Commercial Units   Not totally happy with your current service company? Give us a call, you'll be glad you did! Service   Our technicians are continually trained to insure you are up to date with state-of-the art equipment.

On Call   You can contact us 24/7.   Ph  (815) 439-0300 Fax (815) 439-0308 Employment Opportunities   TECHNICIANS WANTED   TRIANGLE ENVIRONMENTAL, INC. IS LOOKING FOR QUALIFIED  TECHNICIANS TO JOIN  OUR TEAM Mission statement   Our mission is to render the quickest and most reliable services. You may find cheaper service, but you won't find better.