Johnson Controls has added ductless mini-split air conditioners and heat pumps to its York® Affinity™ Series and LX Series product lines to provide more heating and cooling options to homeowners and commercial building operators. These compact, energy-efficient units deliver cooling or heating to structures without installing air handlers and ductwork, providing a solution for buildings without ductwork or room for remodels.
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.