The Hartzell Blog

December 2025

Gas-Fired Make-Up Air Heater How to Select the Right one for Your Industrial Facility

By David Long

Exhaust fans protect your plant, but they can also waste heat, lower building pressure, and drive up energy bills. Installing a Hartzell gas-fired make-up air heater is the solution. These units bring in fresh, tempered air and maintain balanced pressure for safer, more efficient operations. A properly sized system delivers the warm airflow your facility needs, improving comfort, protecting equipment, and slashing unnecessary energy costs.

December 2025

Industrial Air Movement Solutions for the Chemical Industry How to Select the Right Fan and Blower System for Corrosive, High-Risk Environments

By David Long

Chemical facilities face relentless challenges from corrosive fumes, volatile compounds, and strict safety demands. Effective air-movement systems are essential for protecting personnel, safeguarding equipment, and ensuring regulatory compliance. Selecting the right fan and blower solution improves facility uptime and process reliability while minimizing maintenance costs. In high-risk industrial settings, proper ventilation is not just a requirement—it’s a key factor in operational success and workplace safety.

November 2025

AMCA Certified Fans What You need to Know before Making a Purchase

By David Long

AMCA certification transforms fan selection from guesswork into data-driven decision making. Independent third-party testing verifies that performance curves, efficiency ratings, and sound levels reflect laboratory-tested reality, not marketing claims. For facilities where ventilation impacts production, safety, or energy costs, certified fans eliminate costly specification errors, system underperformance, and redesigns. Understanding what AMCA certification means and how to evaluate certified manufacturers is key for long-lasting and efficient air movement systems.

November 2025

How to Choose the Right Centrifugal Fans for Maximum Performance Types, Applications, Selection

By David Long

Centrifugal fans power industrial ventilation across virtually every sector, generating high static pressures to move air through ductwork, filters, and system resistance. Understanding blade designs, from high-efficiency airfoil wheels to rugged radial configurations, helps to make the best selection for your application. Learn how centrifugal fans work, explore different wheel types, and discover how to choose the right design for maximum efficiency, reliability, and performance in your facility.