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Fact or Fiction: Common HVAC Myths Debunked

September 01, 2021

With an endless amount of information available on the internet, it can be challenging to determine what is factual and fiction. A simple google search can pull up thousands of resources from both reliable and dodgy sources.

The classic saying “don’t believe everything you hear” applies perfectly to these widespread misconceptions surrounding HVAC systems. To learn more about these fabricated fibs, keep on reading!

Closing the Vents Helps Save Money

One of the longest-standing myths about HVAC systems is that closing vents in unoccupied rooms is a great way to save on heating and cooling costs. However, this couldn’t be further from the truth. Unfortunately, closing vents could be doing more harm to your HVAC system than you realize. Here are just some of the reasons you should hesitate to close those vents:

Restriction of Air Flow

One of the appeals of central air is the ease of controlling your entire home’s temperature at the touch of a button. When you adjust your thermostat, the conditioned air flows throughout your ductwork to effectively manage the entire climate of the house.

When your air conditioner was installed, its airflow should have been “balanced,” meaning the technician ensured enough air was flowing in and out of the air conditioner to cool the home. Closing your home’s vents disrupts the balance and begins to build pressure in the system, making your AC work overtime. This can lead to increased energy consumption and possibly a premature HVAC system breakdown.

The Strain on Air Ducts

Since your air ducts are responsible for moving air throughout your home, it’s no surprise that the increased pressure from closed vents can take a toll on your home’s ductwork. Increased pressure increases the strain put on your air ducts and can even cause ducts to leak. A leak in your ductwork means the air your AC worked so hard to condition escapes into the attic.

Most Interior Walls Aren’t Insulated

It’s essential to keep in mind that the majority of interior walls are not insulated. This may not seem like a big deal, but if you close the vents in an unoccupied room, it will eventually become warmer without air conditioning. The heat from the room will then transfer to the neighboring bedrooms through uninsulated walls and underneath doors. Now your AC has to work on overdrive to cool the entire home effectively!

Turning Down the Thermostat Quickly is a Fast Cooling Fix

Your thermostat is the heart of your home’s heating and cooling system, offering ultimate convenience when it comes to managing temperature. You may assume that adjusting the thermostat drastically will provide instant cooling or heating, but this would be incorrect.

Adjusting the thermostat to a drastic setting quickly will place unnecessary pressure on the HVAC system to reach the desired temperature. If you want your thermostat to reach a dramatically lower or higher temperature, adjust the settings by two to three degrees at a time.

Annual Tune-Ups Can Be Skipped

We love our heating and cooling systems and the convenience they provide! To keep your system running at optimal performance levels, you’ll need to schedule regular maintenance. Like your car, your HVAC system requires occasional professional inspection and tune-ups to continue running smoothly and ensure every component is functioning correctly.

HVAC Experts in Huntsville

When you need a team of HVAC heroes, trust Air Care Systems! Our team is highly experienced in air conditioning repairs, maintenance, and installation. Our goal is to keep your home comfortable for you and your loved ones, no matter what time of year! Give us a call at (256) 537-9987 or complete our contact form to speak with a team member.