April 24, 2014: Vol. 13, No. 17 Advancing HVAC&R to Serve Humanity
And Promote a Sustainable World  



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Industry News

Johnson Controls to Acquire Air Distribution Technologies
MILWAUKEE—Johnson Controls (JCI) agreed this week to a $1.6 billion deal to buy Air Distribution Technologies from the Canada Pension Plan Investment Board, adding to the diversified manufacturer’s ventilation business. Air Distribution Technologies, which owns Ruskin, Titus, Hart & Cooley, Krueger, PennBarry, Tuttle & Bailey and other brands, makes air-distribution products for residential and commercial applications. It will become part of JCI’s Building Efficiency platform, where it will operate with its own brands, distribution channels and employees. The combination of the two companies will be jointly guided by JCI and Air Distribution Technologies leadership. The deal is expected to close by the end of July.

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'Immersion Cooling' Technology for Data Centers a 'Potential Game Changer'
MAPLEWOOD, Minn.—3M Co. recently demonstrated a new cooling fluid for large computer systems that the company says reduces the need for air conditioning and cuts energy costs by up to 95%. Partnering with Intel Corp. and SGI, 3M developed the technology, called immersion cooling, which involves placing equipment inside a cooling bath of 3M's Novec fluid. The system looks like a large fish tank. SGI manufactures the hardware, Intel’s microprocessors sit inside the tank, and are cooled by Novec fluid, which is clear like water. However, the fluid dries immediately, leaves no residue and is safe to electronics. Data centers reportedly consume about 2% of all U.S. energy.

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Bullitt Center Exceeds Energy Performance Goals
SEATTLE—Officials of the Bullitt Center said April 22 that the Seattle office building far exceeded its ambitious energy performance goals over its first year of operations. The Bullitt Center used 147,260 kWh, or 75% less energy than a new building that meets Seattle’s energy code. Meanwhile, it generated 252,560 kWh of energy via rooftop solar panels. This puts the Bullitt Center on track to exceed its goal of meeting the criteria of the Living Building Challenge. Living Buildings must meet performance requirements, including net zero energy, waste and water, over a minimum of 12 months of continuous occupancy.

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Oklahoma House Passes Solar Surcharge Bill

OKLAHOMA CITY—A bill that would allow regulated electric utilities to impose a surcharge on customers who install rooftop solar panels or small wind turbines has passed the Oklahoma House of Representatives. The bill was supported by the state’s major electric utilities, but drew opposition from solar advocates, environmentalists and others. Customers who already have rooftop solar or small wind turbines systems installed wouldn’t be affected by the bill. The bill passed the Senate last month and now heads to Gov. Mary Fallin for her signature. The new tariffs would begin by the end of 2015.

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New LED Bulb Combines Efficiency and Beauty
HONG KONG—A Hong Kong-based startup company has developed a visually appealing and energy-efficient lightbulb. Nanoleaf’s LED bulb resembles an origami project—its body is made of folded silicon instead of glass. According to the company, this design makes it extremely energy efficient. The bulb is designed to provide 87% energy savings compared to existing LED bulbs. It also is designed to produce 133 lumens per watt, almost double the efficiency of current 22-watt bulbs. The manufacturer says its increased energy efficiency also leads the bulb to produce less heat.

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In other news...

More Than a Dozen Deaths Linked to Lack of AC in Texas Prisons
Lowe's to Pay $500,000 Penalty Over Lead Pollution During Home Renovations
Poland's Failure to Comply With F-Gas Law Now Before EU Court of Justice
Long 'Polar Vortex' Winter in U.S. Worsens Spring Allergies
Louisiana Elementary School Wins Energy Star National Building Competition
Legislation Introduced in U.S. Senate to Provide Tax Credit for Energy Efficiency Retrofits


Seattle to Host 2014 ASHRAE Annual Conference
The evergreen environment and "green" culture of Seattle make it an apt setting for the 2014 ASHRAE Annual Conference, which will focus on sustainability. The Conference will be held June 28–July 2. The Technical Program will be presented June 29–July 2, with interactive programs. The Conference also will feature the second ASHRAE Research Summit, which presents innovations in HVAC&R research with particular emphasis on high performance building design and its role in a clean energy economy.

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Feature of the Week

DOAS and Building Pressurization
By Stanley A. Mumma, Ph.D., P.E., Fellow/Life Member ASHRAE
This article advocates the use of pressurization with DOAS. According to the author, pressurized buildings improve comfort and IAQ by reducing or eliminating inward air leakage at the envelope. He adds that the two main problems that occur with building pressurization using DOAS are: unbalanced flow through the total energy recovery (TER) equipment causing its performance to be compromised on the outdoor air delivery side under design conditions; and, the return airflow has frequently been observed in the field to be only 20% to 40% that of the design supply airflow leading to such severe TER performance degradation that the cooling plant is unable to meet the load. Therefore, the article discusses considerations for developing an integrated balanced flow DOAS/pressurization package.

This article originally was published in August 2010. Click here to download the article. It will be available here through May 8.

After May 8, access to the article from this eNewsletter will no longer be available. It will remain available for free download by members here and for purchase by nonmembers in the ashrae.org online store.

Product News

Heat Pump From Bard Manufacturing
BRYAN, Ohio—The Geo-Delta water-to-water heat pump from Bard Manufacturing is designed for ground water or ground loop applications. Hydronic options include radiant heating, water heating, pool/spa heating using a scroll compressor and R-410A refrigerant. Its step capacity (two-stage) compressor increases efficiency by reducing cycling losses.

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Room Controllers From Schneider Electric
DALLAS—Schneider Electric introduces SE8000 Series room controllers, which integrate a thermostat/temperature sensor and programmable room controller in a single unit for energy savings in applications such as offices, retail stores, schools and hotels. They deliver the comfort and control functionality found in multi-component DDC systems in a small, easy-to-install package that can scale across a facility to optimize the energy use of HVAC systems and help reduce operational costs. Models integrate with open protocols including BACnet® MS/TP and wireless ZigBee Pro.

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Glycol Chiller System from Pro Refrigeration
AUBURN, Wash.—The CA Series packaged glycol chiller system from Pro Refrigeration is engineered to operate from 10°F (–12.2°C) to 35°F (1.6°C) leaving glycol temperatures. Standard system features include Bitzer compressors, electronic expansion valves, insulated glycol storage tank, and Web-based remote monitoring and reporting.

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