Variable-speed technology - Articles - Page 3

Versatec packaged water-source rooftop unit

WaterFurnace Aggressively Enters the Commercial Side of the Industry

February 26, 2018

WaterFurnace Intl. Inc. is poised for an exciting year as the manufacturer is preparing to release several new commercial HVAC products, including a modular chiller and rooftop unit as well as a variable-speed, 10- to 15-ton Versatec geothermal heat pump.

Aggreko: Air-cooled Screw Chiller

July 3, 2017

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This 230-ton air-cooled screw chiller is powered by variable-speed technology and offers a wider range of process cooling capacity from 5°-70°F.

Carrier Corp.: Direct-drive Fan Option

July 3, 2017

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This electronically commutated motor (ECM) direct-drive fan option is available for use with the Aero® 39M commercial air handler.

Perfectly Green Corp.: Solar-ready A/C Unit

May 29, 2017

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The Smart Frog air conditioner offers high-efficiency variable-speed performance in a small cabinet and provides up to 23-SEER cooling efficiency. Its variable-speed inverter capacity control delivers operation for load matching, dehumidification, and zoning performance.

Danfoss: Centrifugal Compressors

April 3, 2017

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TG Series units are oil-free, variable-speed, magnetic-bearing, and centrifugal compressors. The compressors provide full- and part-load energy efficiency and feature a small footprint, light weight, low vibration, low sound, intelligent controls, and soft-starting characteristics.

Motors, Drives Strive for Greater Configurability, Efficiency

Variable-speed offerings are exemplifying ease of use, high efficiency, and flexibility

Nick Kostora

February 27, 2017

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The U.S. Department of Energy (DOE) is frequently introducing tougher motor-efficiency regulations, and manufacturers have shown a willingness to adapt and modify their offerings to keep pace.

Variable Speed’s Impact on HVAC

Variable-speed options have become the industry standard

Nick Kostora

February 6, 2017

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Variable-speed technology has the obvious benefit of providing users with additional choices when it comes to running their HVAC equipment. Rather than one setting that runs at 100 percent all the time, variable-speed allows for layered, configurable settings.

Tecumseh Reinvesting in Core to Get ‘Back in the Game’

Ron Rajecki

January 30, 2017

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Tecumseh president and CEO, Doug Murdock, says the company is “back in the game” thanks to investments it has made and continues to make in its core products: fractional horsepower compressors.

Danfoss: Oil-free Turbocor

January 16, 2017

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Designed for water-cooled chiller applications and built with Turbocor technology, the TT700 compressors are oil-free, variable-speed, magnetic-bearing centrifugal compressors that provide full- and part-load energy efficiency.

Modine Offers New Direct Fired Make-Up Air Unit

The new units are available with two model options, MCV and MVV

January 4, 2017

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Ideal for cost-conscious applications that require 100 percent outside air, the new unit from Modine provides first-rate efficiency with a 100 percent thermal efficiency (92 percent sensible), and extends airflow capability to as low as 800CFM to cover far more applications than previously offered.