07/26/2013

GSA Reviews 3 Top Technologies

Condensing boilers, variable refrigerant flow, and PV panels offer cost-effective energy solutions

 

Condensing boilers reduced natural gas consumption by about 14% at the Atlanta federal building where they were tested, according to the GSA.

Which green technologies are the most cost-effective? It can be hard to cut through the greenwashing and determine which energy-saving claims are the most credible.

To ease the frustration, the General Services Administration (GSA) – charged with maintaining the federal government’s real estate portfolio – tests building technologies to determine which are most effective.

The agency recently released the results of several studies greenlighting the use of three energy-efficient technologies: condensing boilers, variable refrigerant flow HVAC, and PV systems.

Condensing boilers, ultra-efficient water heaters that use waste heat to preheat cold water entering the boiler, reduced natural gas consumption by 14% in the Atlanta federal building where they were tested.

The technology’s low operating and maintenance costs and brief payback period mean it can be “easily deployed as older boilers are replaced,” say researchers, who predicted the boilers could save roughly 1% of the agency’s total annual energy consumption if used in every federal building.

Variable refrigerant flow: This HVAC technology, which can simultaneously heat and cool different areas of facilities to enable tighter temperature control, was tested at a Boston courthouse and reviewed by industry experts. GSA predicts VRF could save roughly 34% on energy compared to older systems, but plans to study the issue further.

The agency also opted to study photovoltaic panels in Indiana to determine their efficacy in cloudy Midwestern climates, as opposed to the sunny coastal climates and desert areas where they generally offer maximum returns.

A commercial-scale array and four smaller laboratory systems installed at the Bean Federal Center in Indianapolis were found to work just as well in the Midwestern climate as in other parts of the country. The commercial-scale system alone generated roughly 8% of the facility’s energy needs.

To read more about the results, visit gsa.gov/GPG.

 


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Visit our website today to learn about the design flexibility of a Morton building and the endless possibilities of partnering with our designBUILD team.


Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

We Can Help You Reduce Energy by 30%

Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
CLICK HERE to find out how.

 


Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.


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Replace core drilling with Connectrac In-Carpet and On-Floor Wireways, the proven connectivity solution in open interior spaces of all kinds. These elegant low-profile wireways are great for AV / telecom connectivity wherever it’s needed.

 

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