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The Other Bulb Ban: Linear Fluorescents

While new efficiency requirements for incandescent bulbs have gotten much of the recent attention, there are also requirements in place that will lead to the phasing-out of most older T-12 fluorescent tubes (and associated magnetic ballasts for these lamps), as well. Production of magnetic ballasts was to end as of July 1, 2012, and production of lamps using these older ballasts and the T-12 tubes was to end as of July 14.

To replace the older tubes, two styles of newer fluorescent bulbs, T-8 and T-5, are available (and have been around for many years). These are thinner (1" diameter for the fast cialis T-8 and 5/8" for the T-5) and more energy efficient than the older T-12s. The newer bulbs are not compatible with older lamps, so owners of older fixtures will need to replace their lamps or install retrofit kits.

In addition to the energy savings, switching from T-12 to T-5 fluorescents also drastically reduces the amount of mercury in circulation. A T-5 fluorescent tube contains "3 milligrams of cialis one a day mercury compared to T12, older technology fluorescent tubes with 27-30 milligrams of mercury. That's 89% less mercury."

Some others may opt to install linear LEDs that match the configuration of fluorescent tubes. These retrofits have had some problems, but the industry continues to recommended site viagra prescriptionsgeneric viagra sale improve.

image: CC BY-SA 2.5 by Wikimedia Commons/Leridant

via: Luxadd


Empire State Building Saves $2.4 Million in Energy Costs After Retrofit

When we first heard that the Empire State Building was going to be retrofitted for energy efficiency, we were stoked. Such an iconic building could be a great proving ground for showing building owners big and small the huge benefits of making these types of upgrades and has it ever.

One year after the levitra attorneys large-scale retrofitting project was completed, the Empire State Building has surpassed expectations and saved $2.4 million in energy costs. The building saved an estimated 4,000 metric tons of carbon, the equivalent carbon offset of a 750-acre pine forest.

The series of efficiency measures were accomplished through a partnership of the Clinton Climate Initiative, the building owners and a group of organizations including the Rocky Mountain Institute. According to the press release, here are some of the retrofit details:

"The retrofit project focused on eight innovative improvement measures addressing core building infrastructure, common spaces and tenant suites. Improvement measures performed by Johnson Controls and Jones Lang LaSalle included the refurbishment of all 6,500 windows, a chiller plant retrofit, new building controls, and a web-based tenant energy management system. The project partners developed a detailed engineering design and women levitra Johnson Controls guaranteed the energy savings through a $20 million performance contract.  With performance contracting, savings in energy consumption from facility upgrades pay for the project over the term of the contract. If the savings are not realized, Johnson Controls pays the difference between the value of the measured and verified consumption and the guaranteed consumption under the cialis or viagra contract."

While the core efficiency improvements are finished, there is buying levitra online canada still more work to be done and more positive environmental impacts to be seen. New tenants are set to build out high-performance workspaces and once all spaces are upgraded, the building will save $4.4 million a year, a 38 percent reduction of energy use that will cut carbon emissions by 105,000 metric tons over the next 15 years.

This type of buy viagra next day delivery model is incredibly important. According to the World Business Council for Sustainable Development, buildings are responsible for 40 percent of energy consumed in the U.S. In large cities like New York, commercial buildings make up 75 percent of energy used, meaning retrofit projects can have an even bigger impact. If every commercial building in New York City took on the upgrades that the Empire State Building has, carbon emissions would be reduced by 4 million tons – the equivalent of a typical coal-fired power plant.


Light Bulb Finder App Calculates What You'll Save By Swapping Out Your Bulbs

A free app that won the EPA's Apps for the Environment contest lets you calculate the energy and cost savings you'd see by swapping out your light bulbs for more efficient versions. The EPA estimates that using the app can help homeowners cut their electricity bill by $120 a year and cut their CO2 emissions by 1,360 lbs a year.

The Light Bulb Finder app lets you choose the sale propecia type of fixture and bulb that you want to replace and then recommends a good replacement based on fit, appearance and quality. The app then shows users a picture of the bulb, its specifications and the savings users will see in energy, costs and emissions based on the user's location if they make the switch. To make it easy as possible, the app also directs users to where they can buy the bulbs either online or at local retailers.

As a home owner, I know that walking into a large home improvement store and trying to pick out efficient bulbs from the shelves can feel a little overwhelming, especially when you're not sure about fixture fit and the quality of light you'll be getting. This app is great because it takes the guessing out of making the switch to more efficient bulbs and as the incandescent bulbs start disappearing from shelves starting as the new light bulb standards go into effect, easy access to this information will become important.

The app is available for iOS devices and drug generic levitra Android-based smartphones.




ESL Bulbs Offer Another Efficient Lighting Option

Incandescent light bulbs are really little space heaters with a side benefit of producing some light. They are an old technology that is being phased out for many applications by more efficient alternatives. Now, in addition to the LEDs and CFLs, we can add ESL bulbs, which have started to reach the viagra from canadian pharmacy market, to the available technologies.

We've been watching for Electron Stimulated Luminescence (ESL) lighting technology for a few years. It is now commercially available with the introduction of the Vu1 bulb. ESL lighting uses an electron gun to stimulate a phosphor coated surface for illumination, much like an old CRT or television tube. The bulb is actually a vacuum, with no mercury (or anything else) inside it, so disposal and recycling is easier.

The Vu1 bulb has an expected lifespan of the best site official canadian pharmacy 11,000 hours, which can be 5 times that of an incandescent and close to that of a good CFL. It uses 19.5 watts to produce 500 lumens, so it falls in between CFL and incandescent in efficacy. The color-rendering index (CRI) of the ESL bulb is 90+, again falling between an average CFL with a CRI of 80 and an incandescent with a CRI of 100.

Street pricing for the Vu1 is about $15*. That’s more expensive than a CFL these days, but that’s in the range of what CFLs were a decade ago, and LEDs with this color quality aren't at this price level, either. For further information and a more subjective review of the light, you can read a longer review about the we recommend viagra online switzerland Vu1 light on my personal blog.

[Disclaimer: Vu1 provided the sample bulb to me at no charge for my review.]

[* Edited to add: After posting this yesterday, I got a call from William Smith, the chairman of Vu1. One thing he wanted to emphasize is that the company expects the price for this bulb to be less than $10 within 18 months, as production ramps up which is in the range of other dimmable bulbs.]


GE Gives London's Tower Bridge the LED Treatment

We love seeing the world's architectural icons retrofitted to become more energy efficient, especially when they're major energy hogs like skyscrapers and huge bridges.  Now we have another icon to add to that list.

As part of GE's Ecomagination initiative and in time for this summer's Olympic games, London's Tower Bridge will be given a green lighting makeover, switching out the street and artistic lighting for more efficient LEDs.

GE is teaming up with London's City Hall, City of London Corporation and how to get viagra no prescription EDF to complete the new installations. GE is replacing the existing street lighting with LEDs and more efficient floodlights, which will result in a 45 percent decrease in energy use.  For the artistic lighting on the upper level of it's cool cialis online india the bridge, GE is replacing the current neon lighting with its more energy efficient Tetra Contour Cable to only now light up the towers in multiple colors for the games. LED projector lights will also be installed.

The new artistic lighting system willl use 40 percent less energy than the previous lighting system.

via GE
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