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Fredericksburg Geothermal Heating and Cooling system is designed to use the constant Eddie Goldman Hoodie , moderate temperature of the ground to provide space heating and cooling, or domestic hot water, by placing heat exchangers in the ground, or in wells, lakes, rivers Cody Whitehair Hoodie , or streams. The basic types of geothermal systems are water and refrigerant based. The water-based system has closed-loop and open-loop options. The closed-loop system has water or water- antifreeze fluid pumped through polyethylene tubes. The open- loop system has water pumped from a well or reservoir through a heat exchanger, and then discharged into a drainage ditch, a field tile, a reservoir or another well. The refrigerant-based sys卢tem is also known as direct exchange where refrigerant flows in copper tubing around a heat exchanger Direct exchange repre卢sents only a small number of geothermal systems and the Air Conditioning and Refrigeration Institute does not recognize these.

A geothermal system operates by pumping groundwater from a supply well and then circulating it through a heat ex卢changer where either heat or cold is transferred by a refrigerant, the water which has undergone only a temperature change is then returned through a discharge well back to the strata. Rivers, ponds Leonard Floyd Hoodie , streams, and swim卢ming pools may be alternate sources of water. Rather than pumping the water up to the heat exchanger, a geothermal ex卢changer can be inserted into a lake, river, or other natural body of water to extract heal. To cool, the geothermal heat pump extracts heat from within the structure and transfers it to the fluid Eddie Jackson Hoodie , where the heat dissipates into the ground as it circulates.

Another alternative is to insert a Fredericksburg Geothermal Heating and Cooling Freon exchanger directly into a well, where the natural convection of the ground卢water temperature, assisted by the normal flow of underground water in the strata, is used to transfer the hot or cold tempera卢ture that is required. Sometimes the thermal transfer must be as卢sisted by forcing the Freon to circulate through tubes within the well by a low-horsepower pump. A geothermal system may assist a solar system that uses wa卢ter as heat storage and transfer medium. After the water heated by solar collectors has given up enough heat to reduce its tem卢perature to below 100掳F, this water becomes the source for op卢erating the geothermal system. When an adequate supply of water is unavailable, the ground Tarik Cohen Hoodie , which always maintains a constant temperature below the frost line, can be used to extract either heat or cold.

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Without a doubt, online video increasingly influences the way we expect to digest content on the Internet.


As high-speed access becomes the norm in households that actually spend money online, video will pervade even more of every user's experience.


Besides the enriched content online video provides for viewers, it has also sparked yet another online "gold rush" for online businesses.


The dash for cash this time centers on who can figure out how to put effective advertising into the video mix.


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With some sites getting over a million visitors a day, the prize of figuring out how to get those visitors to buy something has proven too tempting for online advertisers to ignore.


In fact, some even speculate that video advertising technology in the not too distant future will allow contextual ads to appear in video based on actual dialogue in the videos.


Though this sounds exciting, my experience with creating online video tells me that Jordan Howard Hoodie , for most big companies, online advertising won't work with any measurable effectiveness.


For example, one of the most popular videos online right now shows kids with a Pepsi or Coke bottle dropping Mentos candies into a two-liter container.


The ensuing chemical reaction makes for an explosive show. On the surface, you might think one of the soda manufacturers or the candy maker would want their ads to appear within the video, but would they?


I don't think Coke wants to encourage people to make bombs out of their product.


However, an ad for a book about pranks or mischievous projects with common household items might sell like bottled water in the desert.


Another obstacle faced by advertisers who want to ride along in other people's videos involves the fact that TV advertising doesn't work online for a very basic reason: the Internet is NOT TV!


When someone watches TV Mitchell Trubisky Hoodie , they are typically in a very physically passive mode.


They sit back in their chair, feet up, drink in one hand, remote control in the other and a bag of chips in their ever-expanding lap.


Conversely, when someone watches video online, they usually sit upright Roquan Smith Hoodie , leaning forward, mouse firmly in hand, and ready to click away on to the next thing at the first sign of boredom.


In short, people physically and mentally won't stand for a traditional TV advertising approach when it comes to online video.


So what will work in online video advertising?