Air Conditioning Companies in Grayslake, IL

Comprehensive list of commercial and residential air conditioning companies in Grayslake, IL offering installation, repair and maintenance services.

Business Listings

N orthern Air systems. was established in 1984. Owner Wayne Wodach has been in the H.V.A.C. business for over forty years. Wayne began Northern Air Systems because he wanted to supply superior client service. Today, Northern Air Systems is your finest choice for state-of-the-art, high efficiency, professionally installed domestic and commercial comfort systems.


We aim to provide the highest standards of client service in the HVAC community - with a dedication to detail and quality workmanship.



For more than twenty years, Oelerich HVAC has been the premier Heating, Ventilating, & Air Conditioning contractor for Mundelein, IL and the northern Chicago suburbs. Oelerich HVAC is situated at 309 N. Lake Street in Mundelein, IL. We are currently in the process of building our webpage.


Select On Site specializes in HVAC website marketing, customer education and sales lead generation tools for our HVAC dealers.


Command Service is a reliable 24hr family owned and run business that was set up in 1970. We promote the highest performance standards in the business - from continuous employee training to complete client satisfaction. Being certified as an independent Trane Comfort Specialist Dealer, we're highly skilled to assist you select the comfort system that finest fits your home and budget.


C.R. Mechanical Services provides Full Service solutions for your home. From Forced Air Service & Installations to Water Removal & Distrubution systems. With over Twenty Five Years of Experience in the Industry C.R. Mechanical Services is here for you around the clock to tackle Any Comfort challenge you may face.

  • Rick is very professional and has installed two furnaces for me. I'll be honest, I was

Indoor Climate Experts has over fifteen years knowledge in the cooling, heating and ventilation industry. We are a family run and operated firm. All of our clients are treated as if they were members of our own family. We are committed to your comfort. We always appreciate your opinions. Commercial HVAC is one of our specialties- go to the service page to learn more!


Your complete service heating, air conditioning, and air quality specialists. We will e-mail you specials and FYI's through out the year. Such as up to a 500.00 tax credit for 2009 on select furnaces and air conditioners, and that is not all! We are an authorized Mitsubishi Diamond Dealer and specialize in adding air conditioning heat pumps to homes with hot water or steam heat.