A variety of Energy Valve installations where researchers have collected data through direct observations, interviews, protocols, tests, and examination of energy consumption confirming performance and functionality of the product.
Hillsdale’s Energy Department implemented an energy management program in an effort to reduce the costs associated with providing utility services to the campus. The primary goal of the plan was to help the college absorb potential utility rate hikes while avoiding the need to increase its utility budget as both newly constructed and renovated facilities were completed and became occupied. After roughly a year and a half of trying to achieve savings, the college’s Energy Department examined the operation of their HVAC systems and related mechanical equipment to identify areas where more substantial savings could be achieved through both system optimization and various infrastructural improvements.
MIT Tests New Energy Valve Technology at Charles Hayden Library and Reaps the Rewards of Higher Delta-T!
Engineers at MIT were well aware that low delta-T syndrome problems were a significant energy cost to the campus. Before the retrofit, the total average delta-t for the coils at the Hayden Library was 6.15°F, based on metering data taken from the period of August 9, 2010 thru October 9, 2010. After the retrofit, the building was metered for the exact same calendar period (August 9, 2010 - October 9) in 2011. The average delta-T had risen from 6.15°F to 12.14°F, reducing chilled water flow to the building by 49%. This percentage is weather normalized, meaning that it has been adjusted for variances in outdoor temperature that occurred during the metered period. Thus, the 49% is an exact and accurate representation of the overall flow reduction. Read on to comprehend the whole story.
To prove that the Energy Valve could do what it was designed to do, Scott Czubkowski, PE, Director of Engineering at Kerney Associates, installed the valve at the university’s Clinical Research Building. The building houses over 300,000 sq ft of research space, including research in pediatrics and pharmacology. It is also one of the newest buildings on campus, opening in late 2004. Even with the building less than eight years old, it was still lacking in efficiency. On average, the building was seeing a 7°F Delta-T and inefficient energy transfer. Read on how the building went from seeing 7°F to 10°F delta-T within a day and the amount of energy savings.
According to this sports entertainment complex, its 18 building main campus is the company’s “mother ship,” employing close to 4,000 people. It’s the job of these employees to keep this 24/7 sports channel running. The buildings on campus are also an important factor. They need the most efficient and reliable mechanical systems in order for the show to go on. That is why Belimo chose this facility to install its Energy Valves.
The goal of the project was to employ the Energy Valves so that the facility engineers can collect data from the valve and show for a fact that delta T readings are where they should be, coils are sized correctly, working properly, and working efficiently.
This white paper details a field study conducted on two university campuses in Massachusetts and Colorado during the cooling season of 2011; an experimental study that was to alleviate ΔΤ degradation problems on both campuses through the use of intelligent pressure independent control valves, and to quantify the improvements achieved. The Massachusetts field results revealed that the intelligent control valves, when coupled with a ΔΤ management strategy, have allowed the campus to serve additional cooling load on its campus with the same distribution and central plant system.
The Belimo products “Energy Valve” and the room controller “CR24-B1” were the protagonists of a Macedonian pilot project in Skopje for the determination of the energy efficiency of buildings. The experimental set-up at the Institute of Forestry was able to demonstrate that, with the implementation of meaningful renovation measures, the consumption of primary energy could be reduced by 20 percent by the year 2020 in comparison with the expectations projected for 2007 — as outlined by the 2012/27/EU Directive. Thanks to the Belimo Energy ValveTM also the current energy consumption values and the optimisation potential of the system are known at all times.
The Challenger site in the Parisian suburb of Guyancourt is to date unique in the world with respect to sustainable building renovation. In 2014, the French construction group Bouygues will have renovated all of its headquarter buildings, which was built in 1988 and has a total area of 67,000 m², in accordance with the most stringent of environmental and energy efficiency specifications. The consumption of primary energy and water will be reduced thereby to 10% and 40%, respectively, of their original values.