FAQs — Ventry Fans

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.

Read comments and stories and see photos we have received from Hot Air Balloonists over the years. All of these pilots use Ventry^® Inflation Fans.

Ventry^® Fans are excellent hot air balloon inflators for many of the same reasons they are ideal for fire fighting. Here are highlights for balloonists and photos from our customers.

Simple comparison of the pros and cons of gasoline and electric PPV fans.

When comparing PPV fans, be aware of discrepancies in horsepower ratings. Several manufacturers still state inflated pre-2007 ratings.

We do not advocate using Ventry Fans for negative pressure ventilation as PPV is more effective than negative for fire attack; however, it is useful in one situation.

Many customers have compared and tested positive pressure ventilation fans (PPVs) over the years. This article shares results from two tests, conducted in the US and Poland, which compare multiple popular brands.

Ventry Propellers are available for purchase to use on your own fan, even if it is not a Ventry^® Fan, as long as that fan can handle the thrust produced, is raised at least 6 inches off the ground, and meets certain technical requirements.

No straining or lifting should be necessary to extend or retract the legs on a Ventry Fan, as demonstrated by a pregnant lady. In these videos, she sets up / deploys the fan and then retracts the legs for storage.