What is the primary benefit of a variable-speed blower in an HVAC system?

The primary benefit of a variable-speed blower in an HVAC system is improved energy efficiency and comfort levels. Variable-speed blowers adjust their speed based on the heating or cooling demand of the space. This means they can operate at lower speeds during milder conditions, significantly reducing energy consumption compared to single-speed or multi-speed blowers that operate at full capacity regardless of the need.

By providing a more consistent flow of air, variable-speed blowers help maintain more stable temperatures throughout the home, enhancing occupant comfort. This capability also allows the system to better remove humidity, which can improve overall air quality and comfort, especially in regions with high humidity.

While options related to lower initial cost, decreased noise levels, and increased installation time are relevant considerations, they do not capture the main advantage of a variable-speed blower, which is its efficiency and ability to maintain comfortable indoor conditions effectively.