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The Truth About HVAC Efficiency: Debunking a Common Myth

Separating Fact from Fiction in HVAC Maintenance

At Duke’s Air Conditioning and Heating, we believe in educating our customers about their HVAC systems. Today, we’re tackling a persistent myth that has been circulating for years in the HVAC industry.

The Myth: Closing Vents in Unused Rooms Saves Energy

Many homeowners believe that closing air vents in rooms they’re not using will help reduce energy consumption and lower their utility bills. This seems logical at first glance – why heat or cool a space you’re not occupying? Unfortunately, this common practice can actually have the opposite effect.

Why This Myth is False:

  1. Increased Pressure: Closing vents creates additional pressure in your duct system, forcing your HVAC unit to work harder.
  2. Reduced Efficiency: The extra strain on your system can lead to decreased overall efficiency and higher energy costs.
  3. Potential Damage: Over time, the increased pressure can cause leaks in your ductwork or even damage your HVAC unit.
  4. Uneven Temperature Distribution: Closing vents disrupts the balanced airflow throughout your home, leading to uncomfortable hot or cold spots.

The Truth: Proper Maintenance is Key

Instead of closing vents, focus on regular maintenance to improve your HVAC system’s efficiency. This includes:

  • Changing air filters regularly
  • Scheduling annual professional inspections
  • Keeping outdoor units clear of debris
  • Ensuring all vents and registers are open and unobstructed

By following these steps and trusting in professional HVAC services, you’ll enjoy a more comfortable home and potentially lower energy bills without falling for common myths. At Duke’s Air Conditioning and Heating, we’re committed to providing dependable HVAC repair and service to keep your system running smoothly year-round.