If you have a centralized heating and air conditioning system, then there is ducting running throughout the walls of your home. This ducting helps to provide a pathway for cold and warm air to be delivered to your home.
An HVAC unit can seem like a very complex system for the average homeowner. Understanding what needs to be done to maintain your system is a necessity to ensure its longevity.
Both residential and commercial HVAC units serve the purpose of cooling, ventilating, and heating your space. However, they vary drastically in terms of parts and mechanisms as your home needs and comfort are different from those at any non-residential building.