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Filter King Blog

Learn everything you need to know about HVAC and air filtration.

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Latest articles

  • Hypoallergenic Furnace Filters

    Allergies become a larger issue when your furnace filters are dirty or worn. Order new hypoallergenic air filters to keep your home free of allergy triggers.

  • How to Change a Furnace Filter?

    A furnace requires clean air filters or there could be problem throughout your home. Learn how to find the filter location, install a new one.

  • Oil Furnace Air Filters

    An oil furnace functions by pumping heating oil into an oil burner tank. The air/oil mixture goes into the burner before igniting in a combustion burner. The heated air then travel...

  • Why is my air filter frozen?

    A frozen air filter is usually caused by a coolant leak or a humidity issue. Find out how to fix it at Filter King!

  • What is the best humidifier?

    The best humidifiers give your skin and lungs a break from dryness. Learn the best ones at Filter King.

  • Fiberglass Air Filters vs Pleated

    There’s more to your air filter than meets the eye. Compare pleated vs. fiberglass filters. Check out Filter King’s cost-effective filter delivery service.

  • MERV 4 Air Filters Review

    A MERV 4 air filter may not offer the protection of more higher rated air filters but it is still a sensible purchase for many buyers. Who is it best suited for? Find out in the ME...

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