HVAC Basics – Understanding How Your HVAC System Works

There are no more frequently found systems in homes that are used to heat and cool them than HVAC units. Yet surprisingly most people do not even have the faintest idea of how these systems work. There is a lot more too them than just flicking a switch and then feeling hot or cold air coming out of your vents. Here is a quick little overview of the basics of how your HVAC system works.

The foundation for the cooling aspect of HVAC systems was laid all the way back in 1851 when the first refrigeration machine was invented. It was not until 1902 that the first air conditioner for home comfort was put into use. Once combined with the aspect of heating, these two then formed what was to soon become the widely popular HVAC (heating – ventilation – air conditioning) system.

HVAC systems provide heat during the cooler … read full article...