Industry leading air and water leak resistance

Nobody spends more time getting access doors right than AJ Manufacturing. Obsessively engineered and independently tested to exceed standards.

Time Tested, Proven, and Guaranteed

Keeping air and water completely sealed isn’t easy. We understand that it has to perform perfectly and that not all doors do. Be confident with AJ Doors – Designed and built for industry leading performance, independently tested, and with a warranty to back it up.

Butt Corner Frame Construction

Tighter tolerance, stronger seal, independently tested.

Durable Seal

Don’t mess around with off the shelf seals. We’ve been refining our proprietary gaskets for over years.

Independently Tested

In HVAC, there are standards. Then there’s AJ Always exceeding the standard so you don’t have to worry.

5 Year Limited Warranty

We back up every door and panel that leaves our facility. We believe in it. You can too.

Foamed in Place Lites

No visible fasteners and a watertight seal for security and performance.

At AJ, the details matter. To us that means designing the industry’s most powerful seal, stainless steel hinges that stands up to corrosion, and view ports that filter 99.99% of all UV-C radiation. All of that is independently tested and backed with a leading 5-year limited warranty.

AJ HVAC Solutions

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