An HVAC system is responsible for comfort and heating and cooling. It’s an important home system that keeps you warm in the winter and cool in the summer. Without an HVAC system, people have to rely on window units during the warmer months, which don’t cool as well as an HVAC system. An HVAC system is far more complicated than a window unit, and for that reason, many people decide to go into an HVAC career. There are many schools throughout the United States that focus on basic HVAC training. Many schools also teach building HVAC design. From here, you…