Seasonal efficiency is an important metric that evaluates the overall performance of HVAC systems throughout an entire year. It takes into account various factors such as temperature variations and partial loads, providing a more accurate representation of a system's energy usage. By considering these aspects, seasonal efficiency allows for better informed decision making when it comes to selecting efficient HVAC systems.

Seasonal efficiency is an important metric that evaluates the overall performance of HVAC systems throughout an entire year. It takes into account various factors such as temperature variations and partial loads, providing a more accurate representation of a system's energy usage. By considering these aspects, seasonal efficiency allows for better informed decision making when it comes to selecting efficient HVAC systems.