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TODAY! HPAC Engineering Webinar Series: Lower Energy Costs With Rooftop Package Units
Wednesday, April 30, 2008 @ 2 p.m. EST / 11 a.m. PST
Sponsor Lennox - http://www.lennoxcommercial.com
Once thought of as the "window shaker" of the commercial air-conditioner market, rooftop package units have evolved (or have been created, depending on your point of view) and are making high-end-chiller stalwarts sit up and take notice. Using the latest control technology, you can ensure that units are set up properly, meet a full range of comfort needs, and maintain efficiency ratings for years. In this free HPAC Engineering Webinar, Mike West, PhD, PE, will demonstrate how to create "back-of-the-envelope" savings estimates on the fly and how to use a simple online calculator to calculate energy economics for upgrade proposals. He then will look at what is available in the commercial market. West will discuss what Energy Star, EER, SEER, and IPLV mean in terms of energy-cost savings. He also will address sizing, evaporative condensers, option selection, value engineering, and procurement and installation specifications....[MORE] Studies Confirm Energy Savings Significant in LEED, Energy Star Buildings
Studies published by the New Buildings Institute (NBI) and CoStar Group report that third-party-certified buildings outperform their conventional counterparts across a variety of metrics, including energy savings, occupancy rates, sale price, and rental rates. Results of the NBI study indicate that new buildings certified under the U.S. Green Building Council's (USGBC) Leadership in Energy and Environmental Design (LEED) Green Building Rating System are performing 25 to 30 percent better on average in terms of energy use than non-LEED-certified buildings. The study also demonstrates that there is a correlation between increasing levels of LEED certification and increased energy savings. Gold and Platinum LEED-certified buildings have energy savings approaching 50 percent...[MORE] Guides for Small Warehouse and Self-Storage Buildings Now Available
Energy guidance that focus on warehouses is now available for free as part of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers' Advanced Energy Design Guide series. The design guide is for small warehouses of up to 50,000 ft and self-storage buildings that use unitary heating and air-conditioning equipment...[MORE] |
Green-Design by the Numbers
The current global focus on being green, i.e. saving energy and protecting the environment, has created a craze that's sweeping the country, even down to the consumer level. A lot of critics say those touting global warming are nothing more than Chicken Little-like fanatics or boys crying wolf. Some even site evidence about global cooling. But whether we're enmeshed in a global-warming cycle or a global-cooling phenomenon doesn't really matter. The key issue is we need to be smarter about our energy consumption. And those of us in the HVAC industry can make a significant difference by designing greener, more energy-efficient mechanical systems. Consider the following facts and you'll understand the impact greener mechanical systems can have...[MORE]
DOE Implements Criteria for Energy Star Water Heaters
The U.S. Department of Energy (DOE) announced new Energy Star criteria for water heaters. The criteria are expected to save approximately $780 million in utility costs, avoid 4.2 million tons of carbon-dioxide emissions, and achieve cumulative energy savings of more than 3.9 billion kilowatt-hours and 270 million therms of natural gas. The new criteria for high-efficiency and high-performance gas-storage water heaters will take effect in two phases. The first phase goes into effect Jan. 1, 2009, and requires gas-storage water heaters to have a minimum energy factor (EF) of 0.62 or be 6.9 percent more efficient than the federal standard. Effective Sept. 1, 2010, Phase Two requires the water heaters to have a minimum EF of 0.67 or be 15.5 percent more efficient than the federal standard...[MORE] AHRI Certification Programs Hold Performance to a Higher Standard
With today's high energy prices and the need to reduce peak electrical demand, certifying the performance of air-conditioning, heating, ventilation, and commercial refrigeration equipment performance is critical. The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is now home to the HVACR industry's three performance certification programs for indoor-comfort and commercial-refrigeration equipment and components: - Air-Conditioning and Refrigeration Institute (ARI) performance certified (air-conditioning and refrigeration equipment and components)
- Gas Appliance Manufacturers Association (GAMA) efficiency-rating certified (space and water-heating equipment)
- I=B=R (hydronic heating products)
To earn ARI and GAMA certification marks, manufacturers' products undergo testing by independent laboratories under contract with AHRI. Equipment and components are evaluated using the appropriate industry standard to certify that manufacturers' published performance ratings are accurate...[MORE] |
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Contact information: Jami Knoth, HPAC Engineering
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April 30, 2008 
