Researchers must look beyond nonflammable chemicals
April 3, 2017
NIST’s study, entitled “Limited options for low-global warming potential [GWP] refrigerants,” focused on residential and small-commercial single-package and split air conditioning systems, but the authors said their conclusions also generally apply to room air conditioning units and other refrigeration and heat-pump systems currently using common, ozone-depleting refrigerants such as R-410A or R-22, which are still used in some developing countries today. “The takeaway is there is no perfect, easy replacement for current refrigerants,” NIST chemical engineer Mark McLinden said.
A smart grid is an integrated system of utilities, consumers, and distributed-energy resources that allows for two-way communications throughout the grid. The smart grid market is expected to surpass $400 billion worldwide by 2020. As a result, the expertise of HVAC contractors will only become more important with the ongoing development of smart homes, smart devices, and home automation systems integrated by the Internet of Things (IoT).
Plasma Air Intl. announced that it has assisted the Akwesasne Mohawk Casino Resort (AMCR) to achieve a healthier indoor air environment. Utilizing Plasma Air’s bipolar ionization technology, the casino significantly improved the indoor air quality (IAQ) of both smoking and non-smoking sections of the 130,000-square-foot facility, improving the health and comfort of both employees and customers.
Bob and Tim have arrived at a customer’s house that uses fuel oil for heat. This is a “no heat” call — the customer called first thing this morning and said that the oil furnace was not coming on, and the house was cold. When they arrived, they talked to the customer, and the customer said that he had made several tries to get the furnace to operate but with no luck.
Facility managers face critical decisions when replacing aging induction units
March 20, 2017
As old induction units inevitably decline in efficiency, facility owners and managers are faced with critical decisions: upgrade to more modern induction units or embark on extensive, costly renovation projects to overhaul entire HVAC systems.
During the presidential campaign, Trump made maternity leave a signature issue. Now that he is in the White House, Trump appears intent on pushing for paid leave for new parents who don’t receive time off from their employers.
It’s the middle of summer and your customer, who can’t provide you with any helpful information about the history of this situation since they just recently purchased the business, is complaining that the temperature inside their small convenience store won’t get comfortable whenever the outdoor temperature gets over 90°F.
Advantages of adiabatic humidification and free air cooling
March 6, 2017
Proper indoor air quality and adequate humidity levels are imperative to safe and efficient data center operations. Humidification in data centers is required to prevent electrostatic discharge, which can damage servers and network products, and offers the benefit of high capacity, low cost evaporative cooling.