Common HVAC Myths

Since most people don’t work in the HVAC industry, it’s no surprise that the majority of people don’t know much about how heating and air conditioning systems work. While there’s no shame in not knowing something, a lack of education about HVAC systems has historically led to a large number of myths regarding how HVAC systems really work.

While these myths aren’t going to cause any problems that are too extreme, they could cause some inefficiencies that might ultimately cause your HVAC system to need to be repaired or replaced. By learning about some of these HVAC myths, and why they are false, you could extend the life of your HVAC system while saving yourself a lot of time and money!


Myth: Air filters only need to be changed once a year.
Truth: Whether you believe this myth or simply forget to change it, failing to swap out your air filter regularly can reduce your system’s efficiency and cause dirt and dander to build up in the air! Make sure you change your air filter once a month, or possibly every two weeks if you have pets.


Myth: The bigger the HVAC system, the better.
Truth: A system that is too large for your home is actually going to be less efficient. It’s also going to make it hard for the system to get humidity out of the air, leaving your house feeling sticky and clammy. If you aren’t sure what size HVAC system your home needs, your best bet is to consult with a residential HVAC specialist.


Myth: If it ain’t broke, don’t fix it.
Truth: While you obviously don’t need to repair something that isn’t broken, that doesn’t mean you don’t need regular maintenance. Too many people think that not being able to perceive an issue means their unit is fine. Just like how you go to the doctor to make sure you’re healthy, you should also schedule an HVAC checkup at least once a year to catch potential issues before they spiral out of control.


Myth: Air leaks are easy to find.
Truth: They actually aren’t! It takes a lot of skill and knowledge to be able to find even the simplest air leak in a home. Having one of the HVAC technicians at Odyssey Mechanical check for leaks can help ensure nothing slips through the cracks. Plus, they can help you repair your leaks ASAP!


Myth: Your home will heat or cool faster if you turn the thermostat way up.
Truth: This would only be the case if HVAC systems had speed settings, which they don’t. Making huge adjustments to your thermostat makes your system work harder and can cause it to break. Instead, gradually adjust the thermostat a couple degrees at a time, allowing your system to catch up and rest in between cycles, until your home reaches the desired temperature.


HVAC repair myths


Myth: Closing vents and doors helps your system work more efficiently.
Truth: While closing vents and doors may force air into certain areas of your home and not others, it can also put undue stress on your ducts that can cause blockages and leaks. Best to let your system just do it’s thing, or invest in a zoning system that allows you to control different sections of your home.


Myth: You can seal ducts with duct tape.
Truth: Actually, duct tape isn’t the best product for sealing air ducts because it tends to roll and peel off. If you must seal your ducts, call an experienced HVAC professional who can make sure it’s done correctly.


Myth: Your AC unit should be covered during winter.
Truth: Air conditioning units are built to be pretty tough, so they can withstand the elements. In fact, covering your AC unit can actually trap in moisture, cause mold to grow, and encourage small animals to nest inside of your AC unit.


Myth: Thermostat location isn’t important.
Truth: Where your thermostat is located in your home is actually extremely important. Your thermostat needs to be in a place where it is unaffected by other heat/air sources and is representative of the temperature you want your whole house to reflect. Keep thermostats out of direct sunlight, off exterior walls, far from drafty windows, and away from bathrooms, hallways, and kitchens,


Myth: Energy efficiency isn’t worth it.
Truth: This one is obviously false! Not only can a new, energy-efficient HVAC system help you reduce your heating and cooling costs, it also helps the environment. Plus, it increases your overall property value, which will help you out if you decide to sell your home down the road.

Whether you need a simple repair, quick checkup, or want to invest in a new zoning system or energy efficient HVAC equipment, you can schedule an appointment with Odyssey Mechanical by contacting us online or by calling 910-392-6400.

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