What Is HVAC?
HVAC stands for heating, ventilation, and air conditioning. An HVAC system has many jobs, primarily to heat and cool the home. However, it’s also responsible for maintaining the home’s indoor air quality, filtering debris, and preventing mold growth.
It’s worth noting that many people use “AC” and “HVAC” interchangeably. However, while the air conditioner is one part of an HVAC system, it’s not the entire thing. A single HVAC system can comprise ductwork, evaporator coils, thermostats, and air filters. By understanding how the home’s HVAC system works, homeowners can maintain their system and prevent problems from arising.
What Does the HVAC System Do?
As noted, the HVAC system has many jobs. These systems:
- Filter particles from the home’s air: Without a functional HVAC system, dust, dirt, and dander can accumulate on the home’s surfaces. Over time, this can compromise residents’ respiratory systems and create health problems.
- Prevent mold growth: Mold loves to grow in moist, dark environments – particularly when temperatures range from 60 degrees to 80 degrees Fahrenheit. HVAC systems manage indoor air quality, preventing the home from breeding mold and managing its indoor humidity.
- Create a comfortable home: Nobody wants to be in a hot, humid house. Homeowners can avoid these conditions with a functional HVAC system and live comfortably.
An HVAC System Has Many Parts
As noted, an HVAC system comprises many parts. Here’s an in-depth look at some of them:
- Ductwork: Ducts refer to the passages in which hot or cool air travels. These components are usually behind walls and ceilings. Many homeowners never see their home’s ducts, which is good since these components need very little maintenance.
- Thermostats: The home’s thermostat communicates with the HVAC system to control how hot or cold the house gets. There are “smart” thermostats in today's market, allowing homeowners to control the temperature using mobile apps.
- Air filters: Each HVAC system needs an air filter. EnergyStar suggests replacing this component once every three months and more often if a home has pets.
- Evaporator coils: Evaporator coils absorb heat from inside the home and work with condenser coils to produce cool air. Homeowners should clean their evaporator coils at least once a year.
Not every HVAC system is the same. For instance, many homeowners are now opting for ductless HVAC systems. Here, homeowners have more control over their homes’ temperatures and can see a decrease in their monthly utility bills.
Homeowners Should Maintain Their HVAC Systems 
The U.S. Department of Energy notes that an HVAC system can last for 15 to 20 years. This requires homeowners to:
- Routinely change out their air filters
- Keep the area around the central AC unit clean
- Properly address any leaks or odors
- Remove yard waste from the outdoor unit’s vents
Homeowners should also schedule annual maintenance visits with HVAC professionals. Maintenance can extend an HVAC system’s lifespan and prevent significant problems.
About LenAire, Inc.
LenAire, Inc. is a locally-owned and operated business with over 30 years of experience serving the community of Bossier City, LA, and the surrounding areas. They provide free second opinions, hassle-free scheduling, and easy financing. Call them today for heating and air conditioning services in Bossier City, LA.
