Springtime is the best time to perform an annual maintenance check on your central air conditioning system. A maintenance check of your A/C system involves checking the outside unit and the inside unit. Mention our Blog and Nortek Environmental, Inc. will take $30.00 off of our regular price of $119.95 for our 22-Point Certified Air Conditioner Tune-up, Cleaning and Inspection!! Call Nortek Environmental, Inc. today at (630) 548-1500 to schedule your appointment.