owners - meet our family - McHenry, ILAdam and Cheryl Kern – Owners

With over 35 years experience in the Heating and Air Conditioning industry, Adam Kern has been dedicated to providing the best possible service to each customer at a fair price. After 20 plus successful years as a realtor, Cheryl was ready for a change and adapted quickly to business ownership. Our specialty is solving “comfort problems” in your home. By using the best state-of-the-art diagnostic equipment, we can pinpoint the problem and fix it.



mary-defrancisco - 	furnace crystal lake ilMary DeFrancisco – Office Manager

Mary is responsible for the day-to-day internal operation and management of Official Heating & Cooling. Her responsibilities encompass many aspects of our business, including AP/AR, billing, sales, and customer service. Her incredible organizational skills keep our team running smoothly. She is the friendly voice that our customers have grown accustomed to hearing when calling into our office, and she takes great pleasure in making sure they are taken care of.



bill-wojtko - furnace crystal lake ilBill Wojtko – VP/Sales

Bill has 20 years of experience in the HVAC industry, in virtually all sales and service capacities, from service technician to service manager to estimating sales installations. Twice recognized in the Multi-Million Dollar Sales Club, Bill is known for his professional presentations and personable nature.



Support Team

Our service-oriented support staff is here to assist you with all of your heating and air conditioning needs. A friendly, helpful resource is just a call away.