Blogs & Applications of HVACr
Blauberg Articles & Blogs
Part of the Blauberg Group — with seven production bases globally — our agent, distributor, and online-support network keeps engineers supplied and supported across the major EC fan markets.
All Topics
EC Motors
Backward Centrifugal Fans
HVACr Applications
Data Center Cooling
Fan Selection
Energy Efficiency
Noise Control
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![How do you select industrial centrifugal fans for efficient OEM systems?]()
Sep 30, 2026How do you select industrial centrifugal fans for efficient OEM systems?Select industrial centrifugal fans by airflow, pressure, efficiency and noise. Compare fan types, OEM applications and practical sizing requirements.view more -
![How to Compare Cross Flow Fan Noise Fairly]()
Sep 22, 2026How to Compare Cross Flow Fan Noise FairlyCompare cross flow fan noise with consistent duty points, acoustic quantities and mounting conditions, using an original noise and airflow record sheeview more -
![Cross Flow Fan Air Curtain Selection and Verification]()
Sep 22, 2026Cross Flow Fan Air Curtain Selection and VerificationVerify a cross flow fan air curtain assembly with a doorway checklist covering outlet coverage, installed duty point, crosswinds and control response.view more -
![AC, DC or EC Cross Flow Fan: How to Choose]()
Sep 22, 2026AC, DC or EC Cross Flow Fan: How to ChooseCompare cross flow fan supply, commutation, control and duty-cycle energy. Use an interface checklist instead of assuming features from a motor label.view more -
![How to Select a Tangential Blower for OEM Equipment]()
Sep 22, 2026How to Select a Tangential Blower for OEM EquipmentSelect a tangential blower by duty point, installation envelope, power supply and prototype evidence. Includes a practical OEM selection worksheet.view more -
![Cross Flow Fan vs Axial Fan: An OEM Decision Guide]()
Sep 22, 2026Cross Flow Fan vs Axial Fan: An OEM Decision GuideCompare cross flow and axial fans by airflow path, installed duty point, packaging and noise, with a practical OEM decision worksheet.view more -
![Cross Flow Fan Suitability for OEM Equipment]()
Sep 22, 2026Cross Flow Fan Suitability for OEM EquipmentUnderstand cross flow fan operation, tangential fan terminology, application limits and the information needed to identify an OEM assembly.view more -
![Static Efficiency of 73% to 82%? How to Verify Backward-Curved EC Fans]()
Sep 22, 2026Static Efficiency of 73% to 82%? How to Verify Backward-Curved EC FansLearn how to verify static-efficiency claims for backward-curved EC fans by checking power boundaries, operating points, test standards, measurement uview more -
![Lower Airflow, More Noise? Stable Operating Limits for Backward-Curved Centri...]()
Sep 23, 2026Lower Airflow, More Noise? Stable Operating Limits for Backward-Curved Centri...Learn why a backward-curved centrifugal fan may become noisier at lower airflow, how to distinguish stall from resonance or control issues, and how toview more -
![How to Read an EC Fan Datasheet and Select the Right Operating Point (with On...]()
Sep 18, 2026How to Read an EC Fan Datasheet and Select the Right Operating Point (with On...Learn how to read an EC fan datasheet, interpret performance curves, and select the correct operating point for real equipment using Blauberg Motoren’view more -
![Testing Sound, Validating Quality | Inside Blauberg Motoren’s Professional Ac...]()
Sep 18, 2026Testing Sound, Validating Quality | Inside Blauberg Motoren’s Professional Ac...Step inside Blauberg Motoren’s professional CNAS-accredited acoustic laboratory and see how standardized semi-anechoic testing validates fan and motorview more -
![IP55 Protection and Wide-Voltage (100–277 V) Axial Fans for Global, Multi-Env...]()
Sep 18, 2026IP55 Protection and Wide-Voltage (100–277 V) Axial Fans for Global, Multi-Env...Explore how IP55 protection and 100–277 V wide-voltage input support axial fans used across global power systems and demanding outdoor or industrial eview more
