FAQs

Live Fire Training Photos with PPV Fans in Action

Photos showing Ventry® Fans in action, during live fire trainings at local fire departments, show our company’s commitment to innovation. Improvements are applied to ALL applicable models, retrofit when possible, and sometimes are available to existing customers for free!

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Photo of ventilation training by volunteer fire department in Hauser, Idaho

Battery-Powered PPV Fans

In fire fighting, battery powered fans are popular right now. We discuss our concerns and why we continue to solve our customers' ventilation needs with gasoline and electric PPV Fans.

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Joan holds a blow-off between electric Ventry Fan and a popular batfan

Mall Ventilation: Portable Fans vs. Mobile Ventilation Unit

This FAQ covers ventilating large structures; ventilation using multiple portable PPV fans, ventilation of super-sized (large!) structures using small fans, and portable fans as an alternative to built-in smoke removal systems.

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ventilating a mall with multiple portable PPV fans

How to Choose a Lentry Light Model in 4 Steps

This page summarizes the four choices which lead you to the best Lentry® Power & Light System for your needs. Choose from 2 generators, 6 light heads and 3 heights. You’ll also decide if you want more than one separate telescoping light/pole.

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How to choose a portable lighting system in 4 steps

Don’t Judge a Light by its Wattage!

In the context of portable scene lighting, don’t judge a light by the watts! Efficient lights can not be quantified in this way. Watts equal energy draw, not light emission.

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240 watt portable LED 1STARX, lights the arena of the Therapeutic Riding Center of Huntington Beach (CA). 20,000 lumens! Photo courtesy TRCHB.

Do you sell catalytic converters for Ventry PPV Fans?

For several reasons, we do not yet offer catalytic converters as options or accessories on Ventry PPV Fans. If there is sufficient interest, we will work harder to secure them.

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Do you sell exhaust extensions?

VSI does not sell and advises against using exhaust extensions on gas-powered fans because we believe they do not work, are unsafe, and may void your warranty.

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Just say No to an exhaust extension on your PPV fan!

Which lights come with cases?

How do I get a case with my portable Lentry Light Tower? Which models include the case?

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Some portable LEDs include cases. Which ones?

What is the difference between a scene light and work light?

Many products advertised as “scene” or “site lights” (to large areas) are actually work lights or fancy flashlights. Here is a guide to separating the imposter work lights from the true scene lighting systems.

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(Photo courtesy KB Trade GmbH) A scene light illuminates the entire construction site; a work light would only light up the backhoe!

How bright are Lentry Lights?

Lentry Lights — How bright are they? Avoid wattage when comparing lighting solutions! Here we provide helpful photos and first-hand experiences.

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Construction site illuminated by one Lentry LED Light System