Posts Tagged: hvac

Annexair Unveils First Ever Biocomposite Ventilation Unit

Recycled plastic water bottles promotes sustainable air conditioning! Annexair has unveiled a brand-new eco-friendly ventilation system: a Biocomposite central air unit made of recycled plastic water bottles! The Biocomposite unit was unveiled during the Expo AHR in Orlando, Florida, and will be competitively priced on the HVAC market. This new product was thoughtfully designed in-house after… Read more »

Project Snapshot: Alkermes

Project Name: Alkermes  Architect: Elkus Manfredi Archtects Mechanical Engineer: AHA Consulting Engineers Mechanical Contractor: Hamel & McAlister Equipment: (2) Custom Penthouse AHUs, (2) EAHUs, (1) Konvekta Heat Recovery Skid (6) MK Plastics High Plume Dilution Fans, (2) 450 ton Oil-Free Chillers Manufacturer: Konvekta, Cambridgeporrt, MK Plastics, Smardt, Ingenia Size: 140,000 CFM Supply / 140,000 CFM Exhaust… Read more »

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 »

Chilled Water Coil – Circuiting Made Easy

Chilled Water Coil – Circuiting Made Easy (Credit to Guest Blogger: Dan Jacobs, Capital Coil & Air) Circuiting a chilled water coil is one of life’s great challenges in the coil business. You’re bound to run across folks with years of experience in the industry that can not effectively explain this concept. While not the most exciting of… 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 »

Seresco NV: Dehumidification Through Ventilation

Seresco NV: Using naturally dry outside air to remove moisture Not every project requires compressors for dehumidification. That’s why we’re proud to offer the Seresco NV: dehumidification through ventilation. The NV uses naturally dry outdoor air to remove moisture, unlike other Seresco products that use refrigeration technology to do the job. It’s also capable of providing up… 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 »

Amherst College Science Center | Pumped Glycol Energy Recovery System

Project Name: Amherst College Science Center  Architect: Payette Associates Inc. Mechanical Engineer: Van Zelm Engineers Mechanical Contractor: Harry Grodsky & Company Equipment: Glycol Energy Recovery System with 20 AHU coils, 16 HRU Coils and Steam Humidifier Manufacturer: Konvekta DAC Sales Engineer: Rich Clarke Project Overview: During the past 15 years, enrollment in STEM classes increased… Read more »