Building Systems

Navigant: Top HVAC Players are Trane and Carrier

Carl Weinschenk

Last week, Navigant Research released a leaderboard on HVAC vendors. The top ten vendors: Trane, Carrier, Daikin Industries, Johnson Controls, Mitsubishi Electric, LG Electronics, Fujitsu, Lennox International, Rheem Manufacturing and Samsung Electronics. The firm said that the ratings were based on 12 criteria, including vision, go-to-market strategy, partners, producing portfolios, pricing and others. Trane and   …Continue Reading


The Northport VA Medical Center Handles a Cooling Tower Crisis

Carl Weinschenk

On March 10, 2015, The Northport Veterans Affairs Medical Center was presented with a big problem: The piping connecting four cooling towers that served two buildings on the large campus ruptured and lost all cooling capacity. The buildings are part of a nearly century old, 200-building, 1.4 million square foot facility on a 253-acre site on the   …Continue Reading


ASHRAE Offers Guide to New Ventilation Standard

Carl Weinschenk

The guide is designed to ease the implementation of “Ventilation for Acceptable Indoor Air Quality.”


Advice to Energy Managers: Don’t Play with Fire

Carl Weinschenk

The most important job of energy managers and, for that matter, anyone else who works in any capacity in a facility setting is to keep tenants and visitors safe. Other important tasks – saving money and enhancing comfort, for instance – are vital. But they take a back seat to physically protecting people and property.   …Continue Reading


AAMA Updates Thermal Barrier Analysis

Carl Weinschenk

The American Architectural Manufacturers Association (AAMA) has updated technical information on composite thermal barrier systems. “Structural Performance of Thermal Barrier Framing Systems” (AAMA TIR-A8-16) is the first update since 2008. Rich Rinka, the AAMA’s Technical Manager for Standards and Industry Affairs and one of the report authors, highlighted the importance of thermal barriers in an   …Continue Reading


ASHRAE, ANSI Update Refrigerant Standards

Carl Weinschenk

The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) last week announced the publication of updates to two refrigerant standards. The press release says that the standards, which were promulgated in association with the American National Standards Institute (ANSI), incorporate 30 new refrigerants and refrigerant blends. ASNI/ASHRAE 15 is “Safety Standard for Refrigeration Systmes”   …Continue Reading


Report: Corporate Real Estate Managers Aim for Zero Net Energy

Cheryl Kaften

Even without soaring energy prices as a primary motivator, global corporations — and more specifically their real estate departments — are increasingly focused on achieving a state of zero net energy (ZNE) according to a report released on January 4 by Atlanta-based CoreNet Global,


The Rental Power Market: Significant Expansion During Next Five Years

Carl Weinschenk

Yesterday, APR Energy said that it and GE have renewed their strategic partnership. APR Energy will be GE’s exclusive rental provider worldwide of GE mobile gas turbines of under 50MW. APR, as part of the agreement, will acquire Generation 8 TM2500+ mobile turbines. The companies will collaborate on outreach to potential customers. Organizations’ use of   …Continue Reading


Energy Projects and Small Businesses: An Improving — But Still Imperfect — Fit

Carl Weinschenk

One of the surest signs that a new technology or set of technologies is taking hold is increased use by small businesses. These organizations generally lack the manpower and budgets to take a step unless it is straight forward, cost-effective and almost sure to work. Such organizations don’t want to make statements. They want to   …Continue Reading


The Dark Side of LEDs

Carl Weinschenk

LEDs’ benefits outweigh the potential problems. That doesn’t mean, however, that challenges don’t exist. At this point, the issues are most obvious in street light deployments.