[CONNECTICUT (CT) D?3 Limited Heating-Cooling Contractor Exam Success Course] The Connecticut (CT) D?3 Limited Heating-Cooling Contractor Practice Course provides specialized training for individuals seeking certification as heating and cooling contractors. This course covers essential topics such as system installation, maintenance, and repair for heating and cooling systems. Participants will learn about various heating and cooling technologies, including forced air systems, heat pumps, and refrigeration. The curriculum includes practical exercises and case studies focused on real-world scenarios, safety standards, and regulatory compliance. By completing this course, participants will acquire the knowledge and skills needed to pass the Limited Heating-Cooling Contractor exam and manage HVAC projects effectively.