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A tradeoff has always existed between the water temperature at which hydronic heat emitters are sized and their cost. The higher the supply water temperature assumed by the designer, the smaller the required heat emitters and the lower their installed cost. 

For more than two decades, Entech Sales & Service in Dallas has offered HVACR professionals an in-depth look at centrifugal chillers, examining assembly, theory, microprocessors, and teardown training through a series of educational sessions heralded as some of the best nationwide.

Chillers are complex pieces of equipment and a lot of training and education is needed to keep contractors on the top of their games when dealing with this equipment. 

The chillers at Broward Health Medical Center were not achieving the kW per ton for which they were rated — a serious problem that they had not been aware of before, and which had probably cost them over $1 million in excess energy use since installation. 

The Mechanical Contractors Association of America (MCAA) marked a theme of “Unconventional Thinking” for business growth in the 124th anniversary year of the organization. 

The P-Series line of variable-frequency drives (VFDs) has been enhanced with an Energy Management Bypass (EMB) option. 

Designed for spot cooling/humidifying with zero wetting in any space, the fan-driven, high-pressure fog device applies a dry, non-wetting, cool-water fog in any work space or directly on machinery needing cooling or humidity. 

Achieving MERV 8 in air filtration, the ePure® is a fiberglass-based air filter. 

Model 5KK14 portable air conditioner offers quiet, efficient operation and 13,200 Btuh of portable cooling.