Since 2004, The Great Eastern Brood of periodic cicadas has been maturing underground. Also known as Brood X, these 17-year insects will emerge by the billions—or tens of billions—across a broad [...]
Cottonwood trees can grow 100 feet tall and shed what seems to be an endless amount of seedlings. These white fluffs blow around outside, where they are easily sucked into rooftop HVAC units at [...]
An air filter is a critical part of your HVAC system, protecting it from damage and helping assure long-lasting performance. From materials to frames, you have a number of different filtration [...]
Metal mesh filters are commonly used in many demanding applications with critical airflow, such as heating and air-conditioning systems, electronic enclosure cabinets, and portable cooling [...]
Permatron has been a vital partner to HVAC contractors and distributors for more than 60 years. They know what we know: Permatron PreVent® filters protect HVAC systems, and when HVAC systems are [...]
Should you put air intake filter screens, often referred to as cottonwood screens, on each of your HVAC units? It would seem like an easy decision. These tough screens fit over the open, [...]
The first in a series of articles detailing how PreVent filters save various industries time and money. This article’s topic: Data Centers. Why are data center HVAC units so important? Well, [...]
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Rensa Filtration is a family of air filtration companies that manufacture and market best-in-class solutions that keep people safe and industries thriving.
