Topics: Fan Engineering

The welding process can expose an employee to harmful heat, light and fumes.  The largest of these risks is the base metal particles that may be contained in the welding fumes.  If not properly ventilated, exposure to the weld fumes can cause brain, nervous system and lung damage.  When a customer called Eldridge to design …

Weld Shop Fume Extraction Read More »

While the memory of another hot summer is still fresh in your mind, let us help you make plans for a cooler 2020.   Most companies will soon start their budgeting process for the coming year.  Now is the best time to build a ventilation system upgrade into your capital equipment budget for 2020 if …

Budget Now for a Cooler 2020 Read More »

When Eldridge is working on ventilation system redesign applications, the 3 Basic Fan Laws provide us the means by which we can correlate the relationship between fan air flow rate, static pressure, speed and horsepower.  They are useful to predict the outcomes when we want to change a known fan performance to a desired fan …

Understanding and Applying the 3 Basic Fan Laws Read More »

Finding solutions for unique applications is something the Eldridge team most enjoys.  We recently helped a customer design a fire suppression system for a facility using a very different type of fan than found in standard applications.  The customer requirements of air flow into and out of the building in the event of a fire …

Fire Suppression System Solution Read More »

In a head-to-head comparison, our customer selected the Eldridge Direct Drive Filtered Air Fan over options from a large, national competitor.  We were able to recommend a solution that provided the customer with the required air flow performance at an overall better financial value.  It was a great win for our customer and Eldridge Fan! Application …

Eldridge Filtered Air Fan Beats Competitor in Value Read More »

Fans aren’t very effective at ventilating without moving propellers, but what is the best option for your application? At Eldridge, we prefer to use direct drive fans for most general ventilation applications based on selling thousands of fans in our 73 years of existence.   In this article, I will compare direct and belt drive …

Comparison Between Direct and Belt Drive Fans Read More »

Previously, in part one of this series regarding Air Density Impacts on Fan Performance, we determined how changes in humidity, temperature, and altitude can affect air density.  We will conclude this two-part series by discussing the effects on fan performance caused by changes in air density. Effects on Performance Let’s create a very simple ventilation system …

Air Density Impacts on Fan Performance Part Two: The Effect on Performance Read More »

At Eldridge, we use ASHRAE Standard Air Conditions to rate the performance of our Eldridge Fans.  Standard Air has a density of .075 pounds per cubic foot at the conditions of 70º Fahrenheit, sea level barometric pressure of 29.92 inches of mercury, and 0% relative humidity.  But what if my customer’s location is not at …

Air Density Impacts on Fan Performance Part One: What Affects Air Density? Read More »

Solving tough ventilation problems is in Eldridge’s DNA. Finding innovative ways to help our customers has resulted in Eldridge having seven patented products. When our team looked at the traditional weather hoods used for roof and wall fans, we knew there had to be a better way. Team research and collaboration resulted in the development …

Eldridge E-Hive Hood Bests Traditional Weather Hoods Read More »