Archive for August, 2011

Home Heating and Cooling Throughout History

Monday, August 29th, 2011

It is more accessible today to heat and cool our homes. In history there weren’t a lot of options.

History of Heat
From the day America was born in 1776 to 1885 the only way to keep a home warm was wood. There were wood burning fireplaces made of brick and the cast-iron Franklin Stove, the latter thanks to Benjamin Franklin, who invented this in 1742, that helped burn the wood. After 1885, a new way to keep warm was discovered — coal. Then the transition from wood to coal would begin; eventually coal would win, since it was sold more than wood. To help heat up the coal Dave Lennox invented the riveted-steel coal furnace, the first of its kind. Leaning toward the end of the 1800′s another coal burning furnace would be born when a coal fired boiler would be in the basement of a person’s home to bring hot water and steam to the already-made cast iron radiator. Both of these furnaces would transport heat to the rooms above from the basement below through ducts when heat rises. In 1935 warm air was able to be distributed through the house better with the help of an electric fan. That invention was called the forced air furnace. Years after, America turned to gas and oil to heat their homes instead of coal. That still remains that way today.

History of Cooling Air
The history of cool air happened after electricity was discovered by Benjamin Franklin. Once electricity was discovered, a man named Schulyer Wheeler invented the electric fan. Made in 1886, the electric fan cooled off Americans until after World War II. Until then, in 1902, Willis Carter made the first air conditioner, but that was only for a printing company. The word “air conditioner” wasn’t used until 1906, where Stuart W. Cramer said if first. Carter also made an air conditioner for New Empire Theater, a theater in Montgomery, Alabama in 1917. Soon other businesses would add air conditioning, including a movie theater, a department store, Congress, the White House, railways, buses, and automobiles. Air conditioning was a business thing until the post World War II era. In 1950, Americans got a chance to try out air conditioning when the first residential air conditioner was made for windows. The success was huge, because it sold a million by 1953. Air conditioners and fans are still used today.

At an HVAC training school you will not only learn the basic history of heating and cooling, you will also receive the HVAC training needed to begin your career as an HVAC technician. Learn more today!

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Why the future of HVAC looks great

Friday, August 26th, 2011

Let’s get right to the point, shall we? You are interested in a career where you can earn a good living, work with your hands, and not be stuck in an office. If you are reading this, then surely the thought of getting your HVAC certification has crossed your mind. You should be happy that you have an interest in a career that is expected to grow 28% between 2008-2018, according the Bureau of Labor Statistics. SS-27344149

There are several reasons why HVAC is a safe bet when it comes to growth. Typically, heating and cooling units need to be serviced every 2-3 years to run optimally. Also, with the growing trend of green technology, more energy and cost efficient units will be introduced to the marketplace.

Okay, so you’re confident that there will be opportunities once you get certified. The next question is, of course, how much money are we talking? Glad you asked. According the Bureau of Labor Statics, in May, 2008, the average hourly wage for an HVAC technician was $19.08 an hour. That equates to about $39,700 a year*. When you consider the cost of getting your certification against your potential salary, that’s a lot better than other careers where you may dig yourself so far into debt that your degree might not feel worth it. Of course, don’t let money be the biggest driver of this important decision – but surely it’s a major consideration.

The downside of working as an HVAC tech?

Okay, there’s no such thing as a perfect career. Working as an HVAC tech has a few minor drawbacks. First of all, people never call you when their unit is running perfectly. So you may have to deal with a stressed-out client in a hot – or cold – environment. But, once you fix their unit cooler heads will prevail and you will be their hero! Again, every career has its drawbacks, but just think how happy you will be cruising from job to job while other people are crammed into cubicles. As long as the a/c in your van works, you’ll be in business!

So how can you find out where to start your HVAC career? There are several ways to approach this profession. Some technicians go to community colleges, or trade schools. Apprenticeships are another route you can take as well. Some states require certification, and others don’t. The best way to start is by searching to find out about HVAC programs in your area!

Basic Elements of Heating and Cooling

Monday, August 22nd, 2011

I am going to present the basic elements of heating and cooling your home, and if you’re really serious about the trade, how you can start your career as an HVAC (heating, ventilation, & air conditioning) technician. Also, how to be energy efficient; heating and cooling takes up an average of about 45% of energy usage in your home each year.

How cooling works is this- warm air comes into your home and is replaced by cooler air via the AC. Freon, the cooling agent, is what provides cooling to the home. Once the desired temperature (what you set your thermostat to) is reached, the process rests until the warm air causes the cycle to resume.

Heating works via heat pumps, which operate by basically moving heat from one location to another. One unit can be used to both cool and heat your home and are therefore more efficient systems than central a/c units. Ventilation is necessary for maintaining indoor air quality and limiting pollution intake. One practical way is natural ventilation, allowing air to move in freely via open windows. The other method is mechanical ventilation, circulating fresh air from outside by using an oscillating fan or something similar inside.

Remember, to keep costs low, use proper sealing, conduct regular maintenance including changing of air filters monthly, only use a/c when necessary, keep doors and windows closed when it’s on, and keep thermostat around 78.

If you want a career as an HVAC technician, research HVAC training school such as trade and technical schools, or community colleges. Even the Armed Forces offers HVAC training. It is important to check to see if the HVAC training school is accredited, because that shows you received a level of HVAC training that is up to the standards set by HVAC organizations.

Infographic from WelHome.

Animal Hoarding

Friday, August 19th, 2011

Animal hoarding happens far too much and is sometimes hard to detect until it is too late. With animal hoarding, the owners may have the best intentions but are harming defenseless animals. These animals suffer in very poor housing, poor ventilation and inadequate food and water supplies. The owners are in denial that they are in fact harming and killing these beautiful, defenseless animals.

Once the suffering and dying animals are reported to law enforcement and they are allowed to do something about it, many animals do not survive or are in need of expensive treatment to save their lives. The communities often pick up the cost of rescuing, treating, housing, feeding and sometimes euthanizing the animals. There is also the cost of legal ramifications.

Hoarders eventually isolate themselves because they become consumed and end up spending all available resources in their animals including time, money and emotion. They socially isolate family and friends. People just leave them alone because they have no time for anything. People seldom look into reasons why these hoarders are so pre-occupied.TS-89686454

Not everyone with several animals is considered a hoarder. A person may have several animals which are spayed or neutered and provide regular veterinary care and sanitary conditions. This person would not be considered a hoarder. Rescuers may have several animals at one time or another, but they try to rectify the situation and place the animals in adoptive homes. If anyone thinks they may have too many animals to care for, they need to contact their vet office or local shelter. They may also foster an animal until a more suitable home is found.

There are many ways to help prevent hoarding. If hoarding is suspected, it is important to call the local animal control, police department, animal shelter or veterinarian to initiate the rescue process. Individuals often do not want to get the animal hoarder in trouble but a simple phone call will save the animals and the hoarder. Hoarding is a sign of a deeper psychological issue. If it is reported early enough and help can be found, the person may not necessarily lose the animals as long as they are being cared for and are willing to accept help. With a severe situation, the animals will be taken away for their safety.

Helping with animal hoarding is educating others about the misery involved with the hoarding situation. Some people view hoarding as an eccentric old lady “cat person”. The general public does not know about the dangers of hoarding for the individual and the animals. Getting in contact with social service groups is very helpful. There is health issues involved. Most hoarders are older individuals claiming to be helping these animals and some are putting their own health at risk. The shelters and the animals need volunteers to help with caring for the animals and teaching the animals social skills. Sometimes the animals can be returned if the home is cleaned up and the animals have been sterilized.

Laws to prevent animal abuse are necessary, although hoarders do not always appear to be harming or abusing their animals. Many times the hoarders go unpunished because they fail to show intent to harm. If they are ever allowed to have animals again, they should be regularly monitored to ensure the animals have clean and sanitary living conditions and regular veterinary care.

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How to Stay Safe While Welding

Friday, August 19th, 2011

Welding is used in many industries for several purposes, from the shipping industry to construction to aviation industries; there is demand for qualified welders worldwide. Many young people have started enrolling in welding schools and taking welding classes over the summers, and have found it to be quite a rewarding career. Attending a welding school or a welding class brings to light the many rules and regulations that need to be followed when practicing welding, as it can prove to be quite a hazardous activity, leading to injuries that can prove quite fatal.

Most welding equipment is a source of very powerful light, including ultraviolet and infrared. Protecting the eyes and face, as well as the rest of the body from fragments of hot metal, heat, glare and harmful rays is vital. Before you enroll in any welding class or welding school, make sure you invest in protective clothing which should definitely include the following.

Safety goggles are really important to protect the eyes from heat, radiation and light. For people working aroundwelding arcs this is extremely essential as arc radiation is powerful and has an exact spectrum and can cause permanent damage to the eyes.TS-78058779

A welding helmet. A safety essential when working with welding equipment, as it protects the entire face and has a filter plate or lens for the eyes that protects them and gives them good visibility. When purchasing one of these, check to see the optical density of this filter plate or lens. Optical density helps in keeping out the various rays and harmful light and if this filter is shaded, usually green or brown it protects against glare and makes visibility more clear and allows the worker to see his or her equipment. A combination of a face shield along with safety goggles is recommended for most welding work, and it is important to check the welding current and power and then chose a filter shade number to ensure you have adequate protection.

Lastly, wear work clothes that are fully covered and do expose your skin to the weld spatter or heat as this can cause high degree burns. Flame proof aprons and jackets along with woolen clothing, leather gloves can easily be purchases and should be free of oil or any other flammable liquid. Steel toed boots and head protection gear such as hard hats or leather hats should be used. Make sure all welding is done in areas designated for welding, as presence of volatile substances or a wooden floor can easily cause a fire.

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