As a homeowner, understanding the systems that heat and cool your home throughout the year is critical. We may enjoy the comforts of a cozy living room in the winter, or the refreshing coolness of an AC breeze during the summer, but we might not be familiar with the technology that makes this possible.  When you have a basic comprehension of the heating and cooling system that your home employs, you can: Accurately communicate your service needs to your HVAC technicians  Make