Hair’s Mini VRF bridges the gap between the small multi-zone residential applications to multi-zone light commercial needs. Mini-VRF can have up to nine indoor units with nine zones of temperature control and comfort. With a 984 ft refrigerant line length, multi-story applications and large building application is now possible.
Carrier has introduced a new Performance Series ductless multi-zone heat pump lineup. The company says this new line will offer increased flexibility, greater energy efficiency, and improved operation compared to the previous mid-tier lineup.
RectorSeal® Corp. has introduced the Aspen® Xtra installation accessories designed for all brands of ductless minisplit system (DMSS) and VRF/VRV equipment. This new product line designed by Aspen® Pumps offers all the necessary connectors, adaptors, brackets, and supports needed to properly mount, connect, and run condensate hoses, line sets, and communication/power cabling for ductless air conditioning applications.
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.