In residential HVAC systems, what is critical to ensure proper operation and safety of the equipment?

In residential HVAC systems, correct installation and maintenance are crucial to ensure proper operation and safety of the equipment. When HVAC systems are installed correctly, it minimizes the risk of malfunctions that can lead to inefficiency or hazardous situations, such as gas leaks or electrical issues. Proper installation encompasses ensuring that the system meets manufacturer specifications and local codes.

Regular maintenance, which includes cleaning, inspecting, and replacing parts as necessary, is equally important. It ensures the system operates efficiently, prolongs its lifespan, and maintains safe working conditions. Therefore, focusing on these aspects helps to avoid common issues such as reduced airflow, inadequate heating or cooling, and potential safety hazards, making this choice the most comprehensive answer regarding the operation and safety of HVAC systems.