The company has released two models of two-stage gas-fired infrared tube heaters. Series TA/TX/TXR is designed for heavy-duty commercial and industrial use and is available in rates from 40,000 to 220,000 Btuh, in lengths from 10 to 70 feet, and in natural gas or LPG.
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.