The advent of fan arrays along with the increased cost competitiveness in the custom air-handling unit (AHU) market has given rise to a new AHU design option: very large AHUs, or mega-AHUs, designed for over 100,000 cfm (50 000 L/s). Here are the advantages and disadvantages of mega-AHUs vs. multiple floor-by-floor AHUs for high-rise buildings and reviews design considerations… Read more »
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Green Material for Cooling Identified
Researchers from the UK and Spain have identified an eco-friendly solid that could replace the inefficient and polluting fluids used in most refrigerators and air conditioners When put under pressure, plastic crystals of neopentylglycol (NPG) yield huge cooling effects—sufficient to make them competitive with conventional liquid coolants. In addition, the material is inexpensive, widely available… Read more »
ACEEE 2018 State Energy Efficiency Scorecard
Massachusetts Ranks #1 as Most Energy Efficient State for 8th Year in a Row As the US government loosens environmental rules, states are investing more in energy efficiency and delivering increased power savings, according to the 2018 State Energy Efficiency Scorecard. This 12th annual report from the American Council for an Energy-Efficient Economy (ACEEE), identifies the leaders… Read more »
Klimor EVO – Evolution of Air
Klimor is excited to introduce their brand new product line, Klimor EVO. Klimor EVO is a series of modular air handling units for air conditioning, ventilation, heating, cooling low pressure and high pressure systems. Klimor EVO Series modular air handling units are offered for indoor and outdoor systems. The core value of EVO Series is… Read more »
ASHRAE 180-2018 Standard Practice for Inspection and Maintenance of HVAC Systems
Standard Practice for Inspection and Maintenance of Commercial Building HVAC Systems For the public good, it’s essential that the HVAC systems in buildings where people work, visit, or reside support a high-quality indoor environment. In addition, sustainability mandates that those conditions be maintained in a manner as energy efficient as possible by a certified hvac… Read more »
7 Reasons to use ECM Motors
It’s the buzz. Everyone is asking about ECM Motors and Fans. There are a lot of good reasons to consider them in your HVAC designs. Here are 7. High Efficiency: A big advantage of ECM motors is that they are significantly more efficient when compared to AC motors. ECM motors maintain a high level (65 to… Read more »