Saturday, January 30, 2010

"how efficient is electric heat"?


How Efficient Is Electric Heat?


By: D.Benjamin Castonguay


As an HVAC distributor of electric heaters, I'm asked at least once a week "how efficient is electric heat"? It's a good question because utility prices are going up for the four major fuel sources: Oil, Natural Gas, Propane and Electricity. The oil and gas manufactures of boilers and furnaces are promoting higher efficiency equipment in their radio and TV ads so is a more than fair question.



Electric Heat is 100% energy efficient in the sense that all the incoming electric energy is converted to heat. All resistive heaters do exactly the same thing with the electric energy they use: convert it all to heat. They only differ in the way they distribute it into the house.



There are three forms of heat: radiant, convective and conductive. They are absolutely equivalent because, regardless of its form, heat is always measured in calories (metric), or BTU's (English). Electric space heaters can be radiant, convective, or some combination of both. Regardless of type, the amount of heat generated is always exactly proportional to the amount of electrical power the device consumes. All electrical heaters are 100% efficient. They all provide exactly the same number of calories for a given quantity of electrical energy. The only difference between various spaces heaters is the form of heat they produce. Remember, temperature is NOT a measure of heat; it's a measure of kinetic energy. Your subjective experience (warmer-colder) has no bearing whatsoever on the efficiency of the various types of space heaters. It is comforting to know that you'll always get calories) exactly what you pay for (kilowatt-hours) with an electric heater.



The question you want to ask is how electric heat is going to affect my utilities bills. Unfortunately there is no answer to your question. What I can give you are guidelines and energy saving tips.



The reason I can not give you an answer is because there are too many variables to the equation:



• What are you paying for Electricity in your area? (Most likely you are paying between 3 cents to 15 cents per Kilowatt hour or (KWH)



• How many hours a day are you going to run the Heater?



• What is the temperature you are going to run the heater at?



• How old is your house?



• How well insulated in the house?



• What is your climate?



o Do you live in northern Minnesota or Flag Staff Arizona?



As you can see there are a lot of variables that would go into the equation. The best answer I can give you is to call your local utility company as they tend to have useful info that will help you budget amount.



Do It Yourself Energy Tips To Lower The Cost Of Your Heating Bills



• Turn down your thermostat-every degree you can lower your temperature setting will save you 2% to 4% on your heating bill



• Lower your thermostat at night and during unoccupied hours



• Clean vents and registers to optimize air flow



• Use your ceiling fan to move warm air from the ceiling into the living space



• Open your drapes during sunlight hours and close them at night



• Caulk around window, doors, and wherever air may leak in or out of your home



• Replace door thresholds



• Insulation to your attic ( for more info on how much you need go to energysavers.gov )



• Use a whole house humidifier



• Insulate ductwork in unconditioned area like crawlspaces



• Use Programmable Thermostats. Programmable thermostats have a more accurate reading of the temperature and can be set to automatically set back the temperature at night or while you're away. Most Programmable thermostats have 4 settings so you can set the temp higher in the morning, lower during the day, higher in the evening and lower at bed time.



Use zone control. Zone heating is best to control your heaters w/ multi thermostat in your house in order to shut off heaters that are not needed.



The best thing you can do is find a company that does energy audit - your local utility company maybe able to recommend a 3rd party to do an energy analysis.


About the Author


iapsales.com LLC is a subsidiary of Innovative Air Products inc. located in historical Exeter New Hampshire. IAP is a family operated Corporation that has been selling heating, ventilation and air conditioning equipment as factory agents and representatives since 1977. Helping End users, Engineers and architects w/ there HVAC needs http://www.iap-home.com http://www.iapsales.com http://www.batheat.com

(ArticlesBase SC #428972)


Article Source: http://www.articlesbase.com/ - How Efficient Is Electric Heat?

Thursday, January 28, 2010

Surge Protection


8 Must Know Tips on How to Choose a Surge Protector


By: Timothy Rudon


Homes and offices can be destroyed within seconds by power surges or fluctuations. Delicate electronics and valuable machinery can turn into liabilities if you don’t protect them from harm. According to experts it is sensible to safeguard your office, toys, game room, and electronic equipment from power surges and spikes by installing a surge protector.





Get a surge protector that gives complete protection and has inputs for telephone, cable, electronics, switches, computers, as well as lights and kitchen equipment. Take a check list and determine what you need protected and then decide on the kind of surge protector whether it is simple or an advanced version. In case of any doubts get an professional consultant to help you. Many homes today are constructed with in built surge protection systems.





Here are a few insights into what to look for in a surge protector:





1. Look for a surge protector with a lower UL rating. Always compare clamping voltages and check whether the rating reflects 500amp results.





2. Invest in a surge protector that protects all three lines; hot, neutral, and ground.





3. Ask whether the surge protector has a circuit breaker, one that stops the flow of electricity when there is overloading too. Overloading problems are distinct from surges or spikes.





4. Seek maximum protection and insist on a surge protector that has a ground indicator light.





5. Find out what the response time of the machine is. The response rating indicates how fast the surge protect will react. Choose a protector that has a fast response time.





6. An ideal surge protector must shut off all power to outlets when the situation is beyond its controls.





7. Choose a surge protector that offers coax line protection and has a specially designed digital satellite jack.





8. Many surge protectors have an alarm that rings to warn that it is not functioning and should be replaced /repaired.





Get the best surge protector available online and safeguard your peace of mind and sanity. Check warranties, service requirements, adaptability and features before you buy a surge protector. Look for a warranty that includes a data recovery clause. This is a much needed bonus these days with computers function everywhere.





Surge protectors can be bought online at the best possible price. Top brands like Dynex, Belkin, APC, ACCO and more. Read all about surge protection online and know what you need to protect your home and office. Always buy from reputed online stores and comparison shop so that you get the best surge protector at the lowest cost along with comprehensive warranties.


About the Author


Timothy Rudon is a writer for Surge Protectors , the premier website to find surge protectors, best surge protectors, computer surge protectors, surge protectors surged, cheap surge protectors and many more.

(ArticlesBase SC #313202)


Article Source: http://www.articlesbase.com/ - 8 Must Know Tips on How to Choose a Surge Protector

Tuesday, January 19, 2010

Taiwan’s Solar Stadium is 100% Powered by the Sun





Posted by Admin | Posted in DIY solar, home made solar, photovoltaic technology, solar kits, Solar Stadium, Taiwan, Toyo Ito | Posted on 5/25/09



Taiwan recently finished construction on an incredible solar-powered stadium that will generate 100% of its electricity from photovoltaic technology! Designed by Toyo Ito, the dragon-shaped 50,000 seat arena is clad in 8,844 solar panels that illuminate the track and field with 3,300 lux. The project will officially open later this year to welcome the 2009 World Games.

Building a new stadium is always a massive undertaking that requires millions of dollars, substantial physical labor, and a vast amount of electricity to keep it operating. Toyo Ito’s design negates this energy drain with a stunning 14,155 sq meter solar roof that is able to provide enough energy to power the stadium’s 3,300 lights and two jumbo vision screens. To illustrate the incredible power of this system, officials ran a test this January and found that it took just six minutes to power up the stadium’s entire lighting system!

Tuesday, January 12, 2010

Electrician Jobs


We are always looking for some good employees. The electrical field has been in a steady of growth since it was started. People's love of all thing electric doesn't seem to be going away. If you were thinking about becoming an electrician, here is a video for you.

Tuesday, January 5, 2010

Peco's dirty secret


In every electrical distribution system there is a dirty little secret. About 40% of the power reaching the home return to the power company paid for yet unused by the consumer. It is similar to water going down the drain. This is called the power factor.

This not a conspiracy by the power company to charge you more. It is just necessary waste in any power system. The only place to fix this problem is at the point of use. The good new is you can fix it with a power factor corrector. You can also save money on your electric bill.




Monday, January 4, 2010

Electricity – How it Came to be


Electricity – How it Came to be

Author: Liam G
Electricity and water are the two main things that the majority of the world’s population take for granted. With the flick of a switch we are able to power anything from the humble light bulb to an entire city. However, less than 90 years ago no more than 10% of British households had electricity in their homes. So what exactly is it that has made it possible to power billions of households across the globe?

To begin with it’s important to note that electricity was never really “discovered”, but harnessed. Electricity has existed since the dawn of time; in nature for instance we see it in the form of bolts of lightening that light up our skies or the small static shocks we get from time to time.

Many consider Benjamin Franklin to have been the one that “discovered” electricity as far back as 1752; this is not the whole truth though. Instead he paved the way for other great scientist of the time to study this new and exciting technology further.

The following 50 years was a frustrating time for scientist across the globe as they knew of electricity, but had no dependable source of it with which to conduct experiments. This all changed though in 1800 when the Italian scientist Alessandro Volta made a major breakthrough. Volta discovered that placing a piece of salt paper in between sheets of zinc and copper created an electrical current.

Volta had created the first ever electrical cell, which was strung together to create a battery; in honour of this a battery’s power is measured in “Volts”. From this point forward scientists had a dependable form of electricity which they could study further, the second major breakthrough.

Around the same time, Michael Faraday, an English scientist discovered that an electrical current could also be created by passing a magnet through copper wiring – this paved the way for today’s electric motors and generators.

A large portion of electricity’s progression was down to scientist’s obsession with light, and with the invention of the battery, another scientist - Thomas Edison was focusing on how to use this technology to create the world’s first light bulb. It was a long and arduous journey, but eventually Edison combined the right materials required to create the first dependable incandescent light bulb.

The next problem faced was bringing the electricity to the people, a system that was both practical and inexpensive had to be designed. In a few years time Edison had overcome the problems, and on 4th September 1882 Edison lit up lower Manhattan with the worlds first power station.

To begin with electricity prices were steep, the development of AC (alternating current) power systems however, made cheap electricity a possibility. For some time many were wary of this new technology, some fearful of bringing it into their homes – today though a world without such utilities would be practically uninhabitable.
About the Author:
Liam is a UK based writer