Common HVAC Myths Debunked: Separating Fact from Fiction

Common HVAC Myths

As temperatures begin to rise or drop, your heating or cooling system becomes your best friend. However, despite its importance in our daily lives, there are still many common HVAC myths that persist, causing people to waste energy, money, and time. To make sure you’re not falling for these myths, let’s separate a few facts from fiction.

Myth #1: Closing vents in unused rooms saves energy

While it may seem logical to close vents in unused rooms to save energy, it actually puts unnecessary strain on the system and can even increase energy consumption. This is because HVAC systems are designed to distribute air evenly throughout the entire house. When you close vents, you disrupt the balance of the system, causing it to work harder to push air to the areas that are still open. This extra strain can lead to a shorter lifespan for the system, as well as higher energy bills. Instead, consider installing a zoning system that allows you to control the temperature in different areas of your home independently.

Myth #2: Setting the thermostat to extreme temperatures will cool or heat a room faster

This myth is untrue and can actually result in wasted energy. HVAC systems are designed to work at a steady pace, and setting the thermostat to an extreme temperature won’t make the system work faster. Instead, it will simply work harder to try to reach that temperature, resulting in wasted energy and higher bills. The best way to ensure your HVAC system works efficiently is to set your thermostat to a consistent temperature that is comfortable for you and your family.

Myth #3: Air filters don’t need to be changed often

This myth is dangerous because it can lead to poor indoor air quality, which can cause health problems for you and your family. Air filters trap dust, dirt, and other particles that can circulate throughout your home. Over time, these particles build up on the filter, reducing its effectiveness. If the filter is not changed regularly, it can become clogged, causing the system to work harder and potentially leading to a breakdown. To ensure your HVAC system is running efficiently, it’s recommended that you change your air filters at least every 90 days.

As a resident of the Portland area it is particularly important to pay attention to your air filters. The Pacific Northwest climate, including Portland, is known for its high levels of rainfall and humidity. These conditions can create an ideal environment for mold growth and moisture buildup in homes. Staying on top of and replacing your air filters regularly can help mitigate these issues by controlling humidity levels and maintaining proper airflow. This can prevent the growth of mold and improve your indoor air quality , reducing the risk of respiratory illnesses and other health complications.

Myth #4: Installing a bigger HVAC system provides better cooling or heating

A bigger HVAC system doesn’t necessarily mean better cooling or heating, and can actually lead to poor indoor air quality. An oversized system will cycle on and off frequently, which not only wastes energy, but can also create humidity problems in your home. This humidity can lead to mold growth and poor indoor air quality. With humidity already being a concern for the Portland area, it’s important to do what you can to reduce its impact.

On the other hand, an undersized system will work too hard to keep up with demand, resulting in higher energy bills and a shorter lifespan. The best way to ensure you have the right size system for your home is to consult with an HVAC professional.

By separating fact from fiction and understanding how HVAC systems work, you can make informed decisions about maintaining a comfortable and energy-efficient home. If you’re unsure about any aspect of your HVAC system, don’t hesitate to reach out to a professional for help. With the right knowledge and guidance, you can keep your heating or cooling system running smoothly and efficiently for years to come.

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