Posts Categorized: Uncategorized

Designing Mega-AHUs

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 »

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 »

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 »

GPS – Air Purification Made Simple

If you are looking for a product that can help control odors, kill pathogens, reduce particles and control allergens, Global Plasma Solutions  is your answer. GPS provides air purification technology that can be used as a substitute for UV lights and carbon products. How does it work? The ions produced by GPS’ patented needlepoint ionization break down… Read more »