Johnson Controls introduced seven new Coleman® duct-free mini split product lines, offering more indoor options, additional multi-zone products, light commercial applications, and low ambient options available throughout the United States and Canada.
The PR-Series from Addison provides fresh air for critical facilities such as schools and universities, health care facilities and hospitals, and hotels and resort complexes. Addison recently introduced the PR-Series semi-custom packaged rooftop system for commercial, institutional, and industrial applications. The company says the series is a highly efficient, packaged rooftop heating and air conditioning system that offers design flexibility with a wide selection of factory options, as well as the ability to accept custom options for specific job requirements.
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.