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Incorporating heat exchangers with outdoor air, the Oasis Indirect Evaporative Coolers (IEC) gives minimal air filtration and enhanced supply temperatures resulting in data center power utilization efficiency (PUE) capabilities of less than 1.1. 

The Heil® PGR5 small package gas heating/electric cooling system and PAR5 small package air conditioning system are now available in 2-, 2.5-, 3-, 3.5-, 4-, and 5-ton cooling capacities, featuring single- and three-phase electrical options for use in residential or commercial applications. 

It’s time again for the annual Residential Heating Showcase. The intent is to help contractors prepare for this busy period by doing the research that will help them distinguish between brands.

Expanded to include 7-, 10-, 13-, and 15-ton size B-cabinet models, the Atherion® commercial packaged ventilation line is designed to meet ASHRAE 189.1 and 62.1 standards for IEER efficiency and IAQ. 

It is important to keep HVAC equipment clean so it runs efficiently and as it’s designed to run. One place where dirt and grime collects in HVACR equipment, affecting system efficiency, is in the coils.

Gree is a Chinese manufacturing company that produces duct-free, through-the-wall, and window air conditioning, packaged terminal air conditioners (PTAC), dehumidifiers, and portable cooling products.

Available in 3-5 ton gas/electric, electric/electric, and heat pump models, the Z-Series™ commercial rooftop packaged units fit many of today’s most common curb sizes. 

The phrase “out of sight, out of mind” may as cliché as the day is long, but when HVAC contractors were asked to share their maintenance tips for rooftop units, the overused expression popped up again and again as they described how most building owners treat their rooftop HVAC equipment.