A Custom Services Inc is a heating and cooling company dedicated to providing top-notch quality services. We are based out of Chicago but serve the surrounding locale, including Glenview. Park Ridge, River Grove, and Wilmette, among others. Some of the services we offer include servicing AC units, servicing heating systems, and improving air quality. For indoor air quality, we clean up ducts, install air filters, humidifiers, and also do carbon monoxide testing. Our team has a wealth of experience that will always be a benefit to our clients because it helps us serve you better.