Engineered Systems | Magazine serving facility, consulting & mechanical engineers with energy-efficient solutions for high-performance buildings.

ASHRAE recognizes outstanding achievement with awards, Fellows

Thirty-six people were recognized by ASHRAE for their contributions to the Society and the building industry at the Society’s 2012 Winter Conference. The Hall of Fame honors deceased members of the Society who have made milestone contributions to the growth of HVACR technology.

AHRI publishes standard for VFDs

Daikin Industries joins AHRI

Heating & Boilers

Gateway City Apartment Builiding Goes Single-Pipe

This large complex is welcoming a host of new arrivals, from new boilers and chillers to an overhaul of its hydronic strategy. Avoiding a whole lot of drilling was one benefit of their new design choice. Balancing first cost, maintenance costs, and the system itself were additional positives for keeping all 225 units comfortable and affordable.

“T” for tankless: Texas schools’ water heaters save space and energy

Congress extends regulatory limbo

Design/Construction Process

Modular Mechanical Seals Protect HVAC Piping & Duct Systems

How can you really, really seal any gap between your pipe and the rest of the wall that just had a hole put in it to accommodate the pipe’s path? That’s a question we haven’t asked in these pages before. Learn about the available technology, bolt/nut combinations, and more to maintain a safe long-term relationship between these elements of your building systems and your building.

JBA Consulting Engineers Embraces Technology To Power Growth

Twenty Years and Counting

Retrofits / O&M

Energy audit, personal guarantee sell management on booster system retrofit

Veteran New York plumbing contractor Evan Samouhos was so confident in the potential energy savings offered by a new domestic water booster pump system that he fronted the purchase himself.

Chilled beams maintain comfort, look of historic hall

Iowa State Laboratory Humidification Yields Results

Building Automation

Historic hotel installs wireless monitors, enters new century

When Hudson River Partners 1, LP acquired the Historic Thayer Hotel in 1999, this majestic property had lost much of its stately appeal.

USGBC lists states with most LEED®-certified projects per capita

Archives stay cool with wireless environmental monitoring

Ventilation

Boiler Rules: A Slow Simmer

Month 2- The Energy Conservation Opportunity: K-12 School Building With New DOAS and Existing Unit Ventilator System Application — Air And Water Readings And Solution Plan

Single-Zone AHU Trend Analysis

Air handler supports the mission at a unique aviation-themed waterpark

Commercial

Family-owned business’ production solution runs through new piping

As former commercial fishermen who decided to develop their own line of organic oils, the Barlean family was no stranger to innovation. A manufacturer of nutritional lipids products based in Ferndale, WA, family-owned Barlean’s Organic Oils LLC grew so rapidly that it soon needed its own fish-oil production facility.

Energy audit, personal guarantee sell management on booster system retrofit

Boilers help North Carolina brewer boost capacity

Cooling & Chillers

Chilled beams maintain comfort, look of historic hall

Energy efficiency and historic preservation are rarely synonymous. More often than not, one must be compromised for the sake of the other. Fortunately, the University of Arkansas found a way around such compromises when it came to the restoration and mechanical renovation of the school’s beloved Peabody Hall.