The Hartzell Blog

August 2026

Industrial Pressure Blowers 101 How to Know When Your Application Needs a Blower, Not a Fan

By David Long

When a system fights back with filters, long duct runs, and tight bends, a standard industrial fan can run out of pressure long before it runs out of air. A pressure blower is the same family of equipment built to develop the higher static pressure those systems demand. This post covers where the pressure ceiling sits, what makes a blower different, the applications that need one, and the numbers to have ready before you spec.

August 2026

Industrial Blowers vs Fans What's the Difference and Which Do You Need?

By David Long

The words fan and blower get used interchangeably on the plant floor, and most of the time that is fine. But there's a real technical difference: it comes down to pressure ratio. A blower is not a separate machine; it is a fan engineered for higher static pressure. This post breaks down the pressure-ratio distinction, why the terminology gets blurred, and how to match the right type, axial, centrifugal, or high-pressure blower, to your actual application.

July 2026

High-Temperature Exhaust Fans Choosing the Right Fan to Move Hot Air Out

By David Long

High-temperature exhaust applications are not one-size-fits-all. The right fan depends on temperature, airstream conditions, available space, and duty cycle. This guide explains when to use centrifugal, axial, or plug fans for exhausting hot air from ovens, kilns, foundries, heat-treat operations, and other industrial processes. Learn the key specification factors that impact performance, reliability, and safety, and avoid costly mistakes that lead to premature fan failure.

July 2026

High-Temperature Industrial Fans How to Select and Specify Industrial Fans for High-Temperature Environments

By David Long

Standard industrial fans aren't built for sustained heat. Bearings seize, belts degrade, and motors burn out long before they should. High-temperature fans are different machines entirely, engineered with heat-resistant materials, isolated motors, specialized bearings, and thermal expansion management. This guide covers the engineering decisions that separate fans that last from ones that fail, and what to look for when specifying the right one for your application.