What Is HVAC?

What Is HVAC?

People don’t always think about the systems that keep their homes and businesses running. In the modern age, we have a “set it and forget it” mentality – often taking modern conveniences for granted until they malfunction or stop working altogether. However, many of these systems – such as your HVAC equipment – are vital for the comfort and safety of your property. Therefore, it’s important to have a good understanding of their purposes, basic functions, and how to maintain them effectively.

Understanding the Basics of HVAC

HVAC stands for “heating, cooling, and ventilation.” It refers to the different components in your home or business that move air between indoor and outdoor areas and provide climate control. HVAC units are responsible for keeping you warm in the winter and cool in the summer. However, this system does more than just heat and cool your indoor spaces. Each component works to improve your air quality, too.


There are several different types of commercial and residential HVAC systems, but most function in the same way. First, there must be a supply of fresh air from the outside or within the home itself. This is the source of ventilation. Many houses have natural ventilation that occurs through doors, windows, and vents. However, in new homes and businesses, mechanical ventilation may be necessary to move air in and out of the building, control humidity, remove odors, and more.


Once the air is brought into the home (whether through natural ventilation or mechanical means), it must pass through filters to remove dust, allergens, and dirt. After filtration, the air goes through the appropriate system (heating or cooling) to control your home or business’s temperature and remove excess humidity. In centralized systems, this involves the use of ductwork – a network of metal or synthetic tubes used to transport air throughout a building.


Any breakdown in your system, big or small, can lead to decreased efficiency, difficulty controlling air temperature or quality, and other negative effects. Therefore, regular HVAC maintenance is crucial to keep your equipment running efficiently. Frequent upkeep can also help you save money on your utility bills. If your system does malfunction, it’s essential to seek help from the best HVAC company in your area.

Types of HVAC Service

HVAC companies typically provide two types of service – residential and commercial. Residential HVAC service keeps your home’s systems, such as your furnace and air conditioner, operating at peak performance. Commercial HVAC companies, on the other hand, maintain equipment within businesses. This may include heating and cooling units, air circulators, dehumidifiers, and more. Often, commercial HVAC contractors deal with much larger, more complex systems.

Contact Smith & Company HVAC for High-Quality HVAC Service

Whether your home’s furnace needs repair, or you’d like to install a new air conditioning unit in your warehouse, look to the professionals at Smith & Company HVAC. We offer high-quality HVAC maintenance, repair, and replacement services to home and business owners in Pasadena, MD and Crownsville, MD. Count on us to keep your systems running at their best.


Call Smith & Company HVAC for trusted professional HVAC repair services at 410-874-0766.