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Debunking HVAC Myths for Gustafson Heating and Air Conditioning


When it comes to heating and air conditioning systems, there are numerous myths and misconceptions that can lead to improper maintenance, inefficient operation, and even costly repairs. At Gustafson Heating & Air Conditioning, we strive to provide our customers with accurate information and debunk these common myths. Here are a few that we’d like to address:

Myth #1: Closing vents in unused rooms saves energy.

This is a common myth, but the truth is that closing vents can actually increase the workload on your HVAC system. Your system is designed to distribute air throughout your entire home, and closing vents disrupts this balance, causing your system to work harder and potentially leading to increased energy consumption and wear and tear.

Myth #2: Bigger is always better when it comes to HVAC units.

  • Oversized units can lead to:
    • Frequent cycling on and off
    • Inadequate dehumidification
    • Increased energy consumption
  • A properly sized unit, tailored to your home’s specific needs, will operate more efficiently and provide better comfort.

Myth #3: Changing air filters is unnecessary if the air looks clean.

Air filters play a crucial role in trapping airborne particles, preventing them from circulating throughout your home and potentially damaging your HVAC system. Even if the air appears clean, filters can become clogged over time, reducing airflow and system efficiency. Regular filter changes are essential for optimal performance and indoor air quality.


At Gustafson Heating & Air Conditioning, we believe in empowering our customers with accurate knowledge and dispelling myths that could lead to unnecessary expenses or discomfort. By understanding the truth behind these common misconceptions, you can make informed decisions about the care and maintenance of your HVAC system, ensuring its longevity and your family’s comfort.