Northern Continental Heating & Cooling, Inc., in Crystal Lake, IL, is the area's leading heating and cooling specialist serving McHenry county and surrounding areas since 1980. We specialize in heating, cooling, air conditioning repair, installation, furnace repair, boilers, tankless water heaters and much more. For all your heating and cooling needs, contact Northern Continental Heating & Cooling, Inc. in Crystal Lake, IL! Our Mission: To fulfill the heating and air conditioning needs of our clients and in doing so – exceed their expectations through professionalism, service, quality, and value. We strive to earn our client’s long-term loyalty by working to deliver more than promised, being honest, and fair - to provide exceptional service.