The Truth About Furnace Filters Every Homeowner Should Know

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Debunking a Common Heating Myth

One of the most persistent myths in home heating maintenance is that expensive, high-MERV furnace filters are always better for your HVAC system. At Bell Mechanical Inc, we frequently encounter homeowners who believe that purchasing the most expensive filter will automatically result in better air quality and system performance.

Here’s the reality: Using a filter with too high of a MERV rating can actually harm your heating system’s efficiency and potentially cause damage. Think of it like trying to breathe through a thick blanket versus a light sheet – the more restrictive the filter, the harder your system has to work.

Consider these important facts:

  • Most residential furnaces are designed for filters with MERV ratings between 8-11
  • Higher MERV ratings (13+) can restrict airflow significantly
  • Restricted airflow can lead to increased energy costs
  • System strain may result in premature furnace failure

What Should You Do Instead?

1. Check your furnace manufacturer’s recommendations
2. Replace filters regularly (typically every 3 months)
3. Consider your specific needs (allergies, pets, etc.)
4. Maintain consistent professional maintenance

For residents in Clarkston, Waterford Township, White Lake, and Ortonville, MI, understanding this simple truth can save both money and headaches. Regular maintenance and proper filter selection are key to optimal system performance.

Remember: The best filter isn’t necessarily the most expensive one – it’s the one that’s right for your specific system and regularly maintained.

Contact Bell Mechanical Inc for professional guidance on selecting the right filter for your heating system and maintaining optimal performance throughout the year.

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