Tag: HVAC

Pumps Operations in the Building Envelope

Pumps Operations in the Building Envelope

Water flows downhill. Nothing could be more simple. Getting water to the top floor of an urban skyscraper is a bit more difficult. Mere gravity flow or even accumulated static pressure head aren’t sufficient to accomplish this task. Pumps are obviously needed. But what kinds of pumps are used in

Strength and Security

Strength and Security

Until recently, water utilities regarded resiliency as a matter of defense against severe weather events. Now cybersecurity threats—including cyber terrorism—have taken a place on the list of water utilities’ top concerns.

Siemens Highlights Alternative Financial Solutions to Support Infrastructure Modernization Initiatives

Siemens Highlights Alternative Financial Solutions to Support Infrastructure Modernization Initiatives

Public-private partnerships and value-based procurement enable cities to make improvements and help ensure long-term sustainability.

For cities, implementing intelligent technology and infrastructure upgrades comes down to a question of affordability. But increasing access to private capital investment via public-private partnerships (P3s) and alternative financing models such as performance contracting have allowed

Mack® LR Model Now Available in 4×2 Configuration

Mack® LR Model Now Available in 4×2 Configuration

NEW ORLEANS – Mack Trucks’ low-entry refuse cabover, the Mack® LR model, is now available in a 4×2 configuration, giving customers a lighter, more maneuverable option for refuse collection. Mack made the announcement at WasteExpo 2017.

“The LR model was initially available as a 6×4 only, but some customers needed improved

Innovations in Smart Window Coverings

Innovations in Smart Window Coverings

Prior to the fourth century A.D., windows were typically holes in walls, usually covered with animal hides, cloth, wood, or shutters. In some places, translucent animal horns, thin slices of marble, or even paper were set in frameworks of wood, iron, or lead.

ShowCase

BES-TECH
The Digi-RTU modulates the capacity of rooftop units and air/water source heat pumps to match the dynamic nature of building cooling or heating loads. As a result, energy waste is minimized and indoor comfort is improved. Because of its unique operating principles, the Digi-RTU achieves greater savings than any other

Glass: A Clear Solution

Glass: A Clear Solution

Prior to the fourth century A.D., windows were typically holes in walls, usually covered with animal hides, cloth, wood, or shutters. In some places, translucent animal horns, thin slices of marble, or even paper were set in frameworks of wood, iron, or lead.

Defying Gravity

Defying Gravity

Water flows downhill. Nothing could be more simple. Getting water to the top floor of an urban skyscraper is a bit more difficult. Mere gravity flow or even accumulated static pressure head aren’t sufficient to accomplish this task. Pumps are obviously needed. But what kinds of pumps are used in

Solar and Energy Storage Financing for Schools

Solar and Energy Storage Financing for Schools

Jason Coughlin, a solar analyst at the National Renewable Energy Laboratory, was coauthor of a 2011 report, “Solar Schools Assessment and Implementation Project: Financing Options for Solar Installations on K–12 Schools.”

“Schools have continued to install solar using power purchase agreements (PPAs) and the trend is to continue seeing third-party installations,” says Coughlin.

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