High-volume, low-speed (HVLS) fans require little energy to ventilate large commercial and industrial buildings, and their use can result in considerable cost savings to business owners. But do they compromise fire safety? What are the codes requiring? (more…)
NFPA 13 2019 – Opinion on the In-Rack Chapter
New layout of NFPA 13 may be beneficial for new users of the standard, but it can also create confusion and dismay for experienced users.





