Do you need help finding the best Heating and Cooling Companies in Chicago, IL? LocalSpark® has analyzed the best HVAC companies near Chicago, IL. Maintaining the heating and cooling in your home or business should be your top priority. Being proactive with your home’s heating and cooling can increase efficiency and lower monthly HVAC bills. It can be challenging to know how to find the best heating and cooling companies in Chicago, IL. It can be useful to look at past reviews of an HVAC provider’s experience and services. LocalSpark® has done the legwork and has listed the best Heating and Cooling Companies in Chicago, IL.