HVAC H3-1 Residential and Light Commercial Technical Practice Test 2025 – Your All-in-One Resource for Exam Success!

The two common types of air conditioning systems used in residential applications are central air conditioning and ductless mini-split systems.

Central air conditioning systems are widely recognized for cooling entire homes by distributing cooled air through a network of ducts. This makes them ideal for larger residences, as they can maintain uniform temperatures throughout different living spaces. They are typically more energy-efficient compared to individual room units and offer convenient temperature control through a central thermostat.

Ductless mini-split systems, on the other hand, provide flexibility and efficiency for homes without existing ductwork or for specific areas that require customized cooling solutions. These systems consist of an outdoor compressor unit and one or more indoor air-handling units that can be installed in various rooms. They allow for zone cooling, which means different areas of a home can be set to different temperatures based on individual preferences. This setup not only conserves energy but also adds comfort and convenience.

Both of these systems are practical for residential use, providing effective cooling while catering to different home layouts and needs.