Belleville Packaged HVAC Systems If you have limited space, chances are you would like to be able to use the space you do have and not mess that space up with heating and cooling equipment. Well, D & K Heating Service Experts Heating & Air Conditioning has the ideal solution for you. Especially in Belleville, packaged HVAC systems are a good option to help reach a comfort level that you are satisfied with. Your system will remain on the outside of your home or business, either on the roof or on the ground by your home, and connect to your ductwork through a tiny opening on the side of your home or building. D & K Heating Service Experts in Belleville has a team of experts who can provide you with a free estimate and walk through your options to make sure you find the best packaged HVAC system to meet your needs and stay within your budget. Just call 613-707-2421 or schedule your appointment online.