What type of HVAC system is most commonly found in residential settings?

The most common HVAC system found in residential settings is the forced-air system. This type of system utilizes a network of ducts to distribute heated or cooled air throughout the home. The forced-air system consists of a furnace or air conditioner that works in conjunction with a blower motor to move air through the ductwork, ensuring even temperature distribution across rooms. Its popularity can be attributed to its relatively lower installation costs, versatility in heating and cooling, and ability to integrate with air filtration systems for improved indoor air quality.

In contrast, geothermal systems use the earth’s constant underground temperature for heating and cooling, which makes them more energy-efficient but also significantly more expensive to install and not as commonly found in typical residential setups. Radiant heating systems involve heating surfaces in rooms (like floors or walls) and can be effective, yet they are less prevalent due to their higher installation costs and the requirement for specialized construction. Ductless systems provide an efficient alternative for homes without ductwork, but they are generally found in specific scenarios, such as in older homes where traditional ducted systems may not be feasible.