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Why Actuators for Connected Industry Run on Brushless DC Motors

By Boris Wassmer, CIRCOR, RTK  Senior Manager, Engineering With no need for compressed air, early electric actuators could operate with less sound and less maintenance than the predominant pneumatic actuator. Of course, the standard pneumatic option offered its own apparent benefits – performance in extreme temperatures, for example, and an elegant simplicity. As a result, the flow control industry has stubbornly clung to pneumatic actuators, specifically in the American market, for decades. Now, the American… Read More

Heresite Coatings Listed in AIA’s MasterSpec Construction Specification Resource

Heresite, a leader in the development of thin film corrosion resistant coatings, has been listed in green The American Institute of Architects (AIA) MasterSpec Construction Specification Resource. MasterSpec® is the industry-leading building and construction specification resource. Specifications are written by professional specifiers, architects, and engineers, rigorously reviewed by top specification experts, and updated regularly to keep pace with industry changes. Coatings for HVAC (Section 230546) is a recently updated addition to MasterSpec. The coatings section… Read More

HVACR Education – Teaching the Unknown

How can HVACR instructors prepare students/technicians for the unknown? This is a challenge facing HVACR instructors today. Technological advances in the HVACR industry are moving at an alarmingly rate of change, requiring HVACR instructors to continually adapt to keep the training they offer aligned with what the industry now requires from successful field technicians. One very real challenge facing the industry is that HVACR instructors must now teach technologies that they themselves never encountered… Read More

Integrating Heat Pumps with the Power Grid

By Michael Tobias Heat pumps are a promising technology in the HVAC industry, since they can drastically reduce the carbon footprint of space heating and hot water systems. However, the widespread use of heat pumps in buildings comes with a technical challenge: meeting the high demand for electricity that can be expected during winter. Michael Tobias, PE, LEED AP, CEM. Power grid operators already face annual demand peaks in the hottest days of summer, caused… Read More
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