Furnace Air Filters & Air Conditioning Filters

Global Filter Source is the premier distributor of state-of-the-art home air filters for furnace and  air conditioner (HVAC) systems. We carry the industry’s most extensive inventory for residential, commercial, industrial and institutional applications.

Our experienced technicians will guide you in the selection of the right filtration solution for your indoor air quality needs.

Order Your Refills


Global Filter Source specializes in odd-sized, custom and hard-to-find replacement air filters for virtually all HVAC manufacturers! Call us today (919) 571-4945.

About Global Filter


Global Filter Source and our sister company, Industrial Air Solutions are established companies with long-standing corporate alliances with many of the nation’s biggest filter manufacturers.

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What Others Are Saying…


At Global Filter Source, we pride ourselves on customer service, delivering your product in a timely manner and providing professional, high quality service throughout the process Many of our customers offer reviews and opinions about their service, please see what our customers are saying about us…

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Hidden Hazards


The Environmental Protection Agency (EPA) estimates that pollution inside your home or office is typically five times worse than outside air.

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What is a Merv?


MERV is an industry standard rating for air filters that measures its ability to trap particles ranging in size from 3 to 10 microns. Home air filters commonly have MERV ratings from 1 to 12…

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