More Info from Johns Manville


Optimizing Spiral Duct Performance with Insulation

Spiral ducts are very common in today’s commercial settings. They offer a myriad of benefits ranging from longer duct runs to reduced leakage because they have fewer joints. Additionally, many architects and designers prefer the aesthetic appearance of a spiral duct over that of a rectangular duct. Just like many duct systems, however, spiral ducts often require insulation.

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How 2020 Shaped HVAC Filtration Trends

A recent blog post by Johns Manville examines how for many years there has been a trend toward higher performance filter systems that are also more energy efficient. When COVID-19 surfaced, it accelerated this trend and gave global visibility to the importance of improved indoor air quality in both residential and commercial applications.