MILWAUKEE — Johnson Controls has re-imagined economical comfort cooling with the release of Choice 15-27.5 rooftop units. These units exceed the U.S. Department of Energy (DOE) 2018 guidelines by up to 25% and already surpass future DOE 2023 part-load standards by almost 10%. An optional four-stage IntelliSpeed™ fan control further enhances efficiency by enabling Choice units to deliver 15% higher IEER ratings than many competitive high-efficiency units all within the value of a standard-efficiency rooftop unit.
“As commercial energy standards increase over time it is critical to develop products that are optimized to address them,” said Eric Newberg, director of commercial product management, commercial ducted systems, Johnson Controls. “Choice rooftop units are engineered to be future-focused while delighting our customers today with an economical path to achieving reduced energy consumption and maximizing occupant comfort.”
Choice is enhanced with multiple airflow strategies – including constant-volume (CV), IntelliSpeed multi-speed fan control, variable air volume (VAV), and Continuous Reset Single Zone (CRSZ) control to offer flexibility to meet the demands of diverse applications. Units are Smart Equipment-enabled with a prepackaged control platform that maximizes control and efficiency while extending equipment life and reducing operating costs. Smart Equipment seamlessly integrates with leading building controls systems, including Verasys®.
Additional features include:
• A wide range of gas heat options, including full modulating gas heat with a 2.85:1 turndown ratio and 1% incremental change of heating capacity;
• A broad range of outdoor air options, including both factory- and field-installed versions of low-leak damper economizers, constant volume powered exhaust, and modulating powered exhaust;
• A product designed to serve both the new construction and replacement market; the footprint can replace approximately 70% of the competitive installed base without the need for costly transition curbs; and
• A lightweight design that is up to 33% lighter than existing Johnson Controls models.
“Our customers depend on us to produce intelligent, high-performance rooftop units that will deliver results now and into the future,” said Matthew Shaub, vice president & general manager, commercial ducted systems, Johnson Controls. “We are committed to exceeding those expectations for every customer. Choice rooftop units deliver powerful solutions for reduced energy consumption within an economical price point to truly redefine the meaning of ‘standard’ efficiency.”
Choice 15-27.5 rooftop units are designed, engineered, and assembled in the state-of-the-art Johnson Controls Rooftop Center for Excellence in Norman, Oklahoma. For more information, visit www.johnsoncontrols.com/choice.
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