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Commercial HVAC ForumDirty, clogged air filters make equipment work harder and waste energy. But it takes way too much of your energy to find replacements for discontinued or hard-to-find air filters. Why not just order custom air filters instead of wasting time searching for replacements? Permatron crafts custom...
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HVAC Tools and EquipmentRecently patented a tool and process which allows a user (residential and commercial) to change an air filter located in the ceiling without a ladder. For the last time a ladder is needed to convert the filter grill (no other tools needed), after this it only takes 20 seconds to change the...
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New Member IntroductionsFor the last 4 years I have been working on and patented a tool which allows a user (residential and commercial) to change an air filter located in the ceiling without the need of a ladder (20 seconds or less). A video can be seen at 123inventions.com page 14 under Contact Robert. This tool is...
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