One reason could be the compressor is not coming on due to a short in a wire. The compressor may be burnt. The start capacitor could be bad. There are a variety of reasons including the system could have been installed incorrectly. This is why unless you are certified to repair air conditioners that it should be taken to an AC repair shop.

In addition, another problem could be the air conditioner is leaking. This is normally the result of the drain being clogged, the AC unit could be frozen up or there could be an evaporator coil pan that is rusty. If you suspect the problem may be the compressor, go outside to the unit and listen. You can hear the compressor when it is running. If it is not, this is why the AC is not cooling the inside air.

An air conditioner is somewhat similar to a refrigerator. The Freon inside the unit will travel through an expansion valve. The Freon evaporates and becomes a cold gas. This runs through coils causing the gas to absorb the heat in a room and cool the air down. The Freon is in a sealed system and it should never need charged or replaced.

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Many times the reason for low Freon and the resulting loss of cool air inside is a leak in the system. This can actually happen when the air conditioner is installed and it can leak minute amounts for a while before it has an effect that you will notice. This is often the result of a vacuum hose not being installed or when the welding is done upon installation, there was a bad braze weld. This is another reason you need a certified repairman. They have the equipment to test the system and see if it is leaking.

An air conditioner that is running on low Freon can cause more problems, such as damaging the compressor, which can end up being quite expensive to replace. Hopefully, there will not be problems severe enough to warrant replacing the air conditioner. This can be very costly.

Probably the most embarrassing of all problems that can happen when you cannot get your air conditioner to power on is a tripped breaker. There are many repairmen that have been called out over this and it is common after the winter is over and you turn the air on for the first time.

A power surge could have caused this anytime between now and the last time it was on. If your thermostat uses batteries, they may need replaced. Even if your breaker is off, when you call a repairman, they have to charge a minimum amount for making the service call, so always check these things first and you may save yourself money.

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Sometimes finding replacements for the parts can be difficult. Then again, some of the older units are easier to repair because they were not built with all the complicated parts that newer air conditioners have. If it is under 10 years old, it is very possible that it would be less expensive to repair it than to purchase a new one. The parts are probably going to be more expensive because new systems have more digital and electronic parts. However, the expense is still less than purchasing a new system.

It is worth it to choose AC repair if your system is still under warranty. You may want to check and see if your warranty specifies repair by a certain company. If so, and you call someone else to fix it, this will void the warranty. You may only have to pay for the labor itself rather than any parts if the AC is still under warranty. This will depend upon how much time is left on your warranty.

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Since air conditioning systems generally last up to about 10 to 12 years, if yours is not very old the repair will most likely be the better option. Of course, one of the things to take into consideration is how well maintained it has been. Have you had it serviced regularly? The filters should be changed frequently to keep the fan and other parts from becoming dirty as this can cut down on the life of your air conditioning unit.

Another thing you may want to consider is purchasing home appliance insurance. This will cover your air conditioning system as well as other major appliances in the home and can help immensely if you need AC repair. The cost of the insurance is minimal compared to what you will spend on repairing or replacing major appliances.

When trying to decide on repairing the air conditioning or replacing it, you will have to take all these things into consideration and compare the costs. If the repairs are beginning to add up because something is consistently breaking down, you may have no choice but to buy a new system. Over the long run you will spend more money on repairs than it would cost just to go ahead and have a new system installed.

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The bad part is normally when the air conditioning does stop performing correctly; it is the hottest part of the summer. Keeping your owner’s manual handy will help you to know when regular maintenance should be performed and offers a few trouble-shooting ideas that you can do yourself. Ensuring that all the drains (some models have more than one) are open so the water can drain properly is one thing you can check yourself.

Another thing you can do is to check the fans and make sure they are not covered in dirt. Fans are collectors of dust and dirt. Cleaning them regularly will help keep them in top working condition which is easier on your system. Saving money by performing maintenance on your air conditioning system can help when you do need AC repair.

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Condenser coils are another thing that you can clean yourself. They should not be covered in dirt. It is also a good idea to check your ductwork from time to time to make sure it is in good condition. Checking for loose or burnt wiring is another maintenance procedure that you can do yourself. Check your thermostat and see if it is working properly. Some types use batteries and you will need to change these regularly.

If the air conditioner is not working correctly and you have performed all the maintenance as you should, there may be more serious problems. Two of the major parts of an air conditioner are the evaporator and the condenser. These parts are sealed so if you suspect this is where the problem is you will need to call a repairman. Repairing these parts requires a professional to avoid causing more damage.

In many areas of the country, it is vital to have air conditioning that works properly. It is a good idea to have the system checked by a professional at least once a year to be on the safe side. Doing this before the air conditioning is needed is one way to make sure it will be working correctly when temperatures soar.

By doing a few simple things to keep your air conditioning system clean and in good working condition, you can save money. This money will come in handy when you do need AC repair, because at some point you will need to call a professional. Air conditioners do not last forever and it will either need to be repaired or replaced.

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The first thing you should do if you are interested in this type of work is to find out what type of training you will need to be licensed in the state in which you live. Many states require certification for installing air conditioners as well as repairing them.

The classes you take will include the basic types of refrigeration, the components that are used, evacuation and recycling. The voltage used in AC and DC circuits; resistance and power will all be covered. Some prerequisites are required before actually taking the courses. The course that will teach about the piping used in HVAC system may require a class on Construction Industry Standards. The best way to find out what type of prerequisite classes will be needed is by looking at the admissions book at the school you will be attending.

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Learning how to maintain the heating and cooling systems is an essential part of this learning process. From motors and compressors to ducts and pipes, learning how all the components in these systems work and relate to each other is one of the main aspects to learning this trade. The design of the systems, building codes, safety when using refrigerants as well as the different classifications, air quality for indoors and out and technology as it relates to this field will all be courses that are required. The importance of keeping up with new technologies will be stressed also because most states require HVAC technicians to renew their licenses from time to time.
One of the licenses the HVAC technician will be required to have is for working with refrigerants. This is a must to be able to purchase the refrigerant as well. Learning about the three types – low pressure, high pressure and small appliance – will be taught and then an exam will have to be taken to receive the license.

Working as an apprentice will help the learning process. Working with a certified technician will give you the experience and hands on training that is needed to advance in this career. When you are ready to become certified, taking the Technician Certification exams that are required by the Environmental Protection Agency will be the next step.

The type of certification that you get will be according to the size of the appliances you will be working on. As mentioned above there are three types. AC repair is a great career choice and the demand for certified technicians is expected to increase.

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You will want to make certain the company you choose is licensed. They should have a contractor’s license and it should be current. Checking to see if they have had complaints is another thing you will want to know. The Better Business Bureau is a good place to check for this information. They list complaints that people have lodged against companies and if there has been a resolution.

Since the air conditioning systems of today are quite different than those from a few years back, the company you choose to take care of your AC repair should have HVAC certification to work on the latest models. Their employees should have had the latest training. This should be through one of the following organizations that provide training and certification:

* UA Star

* North American Technician Excellence

* HVAC Excellence

* Refrigeration Service Engineer’s Society

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A reliable company will also have insurance in the event that an employee would get hurt while working on your system. Also, coverage should be carried in case something on your property is damaged by an employee of this company. Accidents do happen even when someone is properly trained.

In addition, you want a company that you can reach when you need them. A reliable company should have a 24 hour emergency line that enables them to get messages when they are not available and they should get back to you within a reasonable time. A good idea is to have the actual physical address of the company along with telephone numbers.

Do not be afraid to ask for references. A company that stands behind their work will have many satisfied customers. They will be proud of the work they do and want you to hear what others have to say about their business. You should always ask for references because word of mouth is one of the best advertisers. If people are satisfied they will say so and if they are not, they will not hesitate to say they were not satisfied.

Last, but not least is the way you feel about the company you choose. Are the employees friendly and easy to talk to? Do they listen to your concerns? The company you choose for your AC repair should be one that you feel comfortable enough with to rely on for many years.

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Radiant HVAC systems transfer heat from water or steam, which is then circulated through your house by heat exchangers or radiators. The radiator transfers that heat directly into the room not by ‘radiation,’ but by convection. This is actually caused by internal movements of the heated water or steam, heat that is directly emitted by a hot surface is radiant. Forced air heating is created by the heat exchanger itself getting hot, then air is forced through this and then throughout the house.

In the case of the air conditioning part of the HVAC system, usually this is the same as forced air heating, but in this case, instead of it being passed through a heat exchange, it flows through a coolant exchanger instead. The cool air still flows through the same duct work, it is just cold air instead of hot. Because of the heat that is produced during this cooling process, the air conditioning part is usually located on the outside of your home, close to the furnace.

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Local HVAC systems can be space heaters, wood or other fuel burning stoves, and window mounted air conditioners. They can only heat or cool one area, like a room, possibly two, and are not able to flow through the entire house. The other differences between the two are that with a central unit, a single thermostat controls the whole system, while local units are usually controlled individually. Ventilation is also an important part of either system. Ventilation removes a variety of different contaminants from your home, whether it is smoke, odors, bacteria, or even moisture, as well as filtering incoming air from airborne particles as well. There are specified building code requirements for flow exchanges, depending on what part of the house they are located.

Picking the right HVAC system is something you really need to sit down with your wife and think about. There are many different makes and models, both for central as well as local systems. You really have to think about the kind of system will work best for your home. A local system can be more difficult to maintain, since there are more components that make up the system, where a central HVAC is comprised of just two different units. One of the things that you have to do with central systems is make sure that the ducts are clear periodically, to maximize efficiency.

It may be cheaper in the long run to go with a central HVAC system. While they may have greater initial costs, they work better and last longer with proper care and maintainance. Make sure that you purchase your unit with the highest EnergyStar rating that your budget allows for.

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Having a technical expert with you as you do the purchase is advisable is preferable. The reality though is that this might not always be possible so it would be a good idea for you to familiarize yourself with the various key factors that you need to pay keen attention to when selecting the most ideal system for your house.

The size of your house determines the capacity of the HVAC system you need to purchase. You must go for a system that is able to manage the temperature and air quality of the targeted room. Buying either a high capacity or low capacity system relative to your home is uneconomical-a system with too low capacity system may be ineffective while a larger size will be a waste of power due to under utilization. But you should not only consider size in the sense of distance between walls.

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The height of the ceiling and the location and size of the doors and windows will also determine the capacity of system you will need to buy. The number, size of and location of the normal house air vents are another determining factor as well as the overall shape of your house. You must also look at the average number of occupants in the house and the total number of rooms. There ways in which you can save on the capacity that you need to buy. A case in point is improving the level of insulation of the house itself as this will lower the power required to run the system.

Which brings up the issue of the most common climatic conditions in the area where you home is located. Regions with weather patterns on either extreme such as very hot summers and/or biting winters require a system with much higher capacity in order to ensure that indoor conditions remain as close to normal as is possible.

There are many HVAC brands and models that you can choose from each with different levels of complexity and functionality. Such features would include noise reduction, energy conservation system, temperature control zoning, air cleaning system and humidity control. Go for a reputable brand that provides a warranty for their product.

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The most obvious means of increasing HVAC efficiency is by using an energy-efficient system. Newer heaters and air conditioners are not only constructed of more modern materials that improve insulation and reduce electric use, but also feature computerized systems for enhanced temperature control. As such, not only do these systems use the energy they are given more efficiently, but they also allow an unprecedented level of control over the times of day when heating or cooling is used.

Upgrading an inefficient system to a newer, more energy-efficient one is a step that many will not take without incentive. While more efficient systems will save money over longer terms due to lower bills, this is often not enough cause to justify such an expensive upgrade. As such, many state and federal tax credits are available to further encourage such a move.

Information on such credits can vary widely based on where you are located. An online search is the best place to start, with lots of information being made available at the Energy Star website (http://www.energystar.gov.) Your HVAC contractor is also likely a great source of information, as knowledge of the various tax credits available in your region is a great way to encourage purchases that might otherwise not be made.

Another less obvious source of increased energy efficient heating and cooling is solar power, or more specifically, passive solar energy. With the correct architectural and other considerations, the rays of the sun can be harnessed not only to heat a structure, but to cool one as well. Such use can dramatically slash your need for traditional, electronic systems.

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Solar energy’s ability to heat is its most obvious use. Proper placement of windows can admit rays which have a dramatic effect on internal temperatures. In instances where windows are not available, glass tubes can be used to channel rays into other enclosed spaces, offering the benefits of solar heating in rooms without an abundance of natural light.

Solar energy can be used to cool as well. By heating air in certain locations, the sun’s rays can cause the air to rise, displacing it with cooler air. As such, a location can be cooled by the constant replacement of the heated air by cooler, moving wind.

Many other solar techniques are available for heating and cooling. Using solar energy in this way is often more efficient than is converting it into electrical power, a process in which some energy is lost. As such, passive techniques can be used in areas where traditional solar energy use is otherwise impractical.

While heating and cooling represents a large energy expenditure, there are a variety of steps and techniques that can be used to lessen waste and boost efficiency.

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Many HVAC systems feature a distinct breaker for heating and cooling. Often either near the unit itself or a separate breaker in your home’s box, this switch maintains the portion of the system that heats or cools on a circuit separated from that which provides ventilation. If your unit is blowing air that is not being heated or cooled, look for such a switch and determine if it is on or off. This may be all that is necessary to resolve any HVAC issues you are experiencing.

If there is not a separate breaker and your unit is circulating air at an ambient temperature, the mechanism that heats or cools air may be lacking some essential chemical or feature to perform its task. If your heater is gas-powered, ensure that the pilot light is lit and that gas is still available. If your air conditioner isn’t cooling, then the issue might be that the refrigerant is no longer effective. A variety of coolants are used in modern air conditioners. Just which one your unit uses should be documented in its manual, and if you are uncomfortable with the process of changing it yourself, then a qualified HVAC repair contractor should be consulted.

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Preventive maintenance is the best means of minimizing or avoiding HVAC issues. Here are a few tips that will keep your unit operating at top efficiency.

First, change your filters regularly, typically once per month. Clogged filters can make your unit operate much less efficiently, requiring it to displace more air than is needed and imposing a strain upon its systems over time. Dirty filters also draw waste products into the unit itself which, given time, wear away at the internal machinery and cause parts to break down prematurely.

Also, work to improve your home’s insulation, sealing any leaks you may discover. An inadequately insulated home also requires your unit to work harder than it otherwise must. HVAC systems are not intended for constant, continuous operation, and if they cannot maintain the temperature you set, then they will eventually stop functioning.

There are many other factors necessary to the efficient maintenance of your home’s HVAC unit. The best way to keep your system running is to have it inspected regularly by a qualified HVAC professional. Not only can such contractors identify problems before they happen, but they may also indicate steps that might be taken to eliminate other issues in your home that might be causing increased, unnecessary HVAC use.

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Broadly speaking, there are two considerations which must be examined before a new HVAC unit can be purchased and installed. First, consider the characteristics of your structure. How big is it, and how well is it insulated? Will your primary need be for cooling, heat or equal division between both?

The best first step when purchasing such a system is to improve these structural characteristics as much as is possible. Add extra insulation if you can, and use windows with multiple panes. Add awnings, screens and other blocks to keep heated or cool air efficiently inside the structure. While these actions aren’t directly related to the unit itself, taken together they can drastically lessen the load necessary on any unit you ultimately purchase, a move which could translate into drastic savings both at time of purchase and over long years of continued use.

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The other major determining factor in which system you ultimately purchase is its source of fuel, and the efficiency with which said fuel is used. If you have a source of natural gas available, you may wish to use that over traditional heating methods, otherwise your entire HVAC system will be electrical. Which refrigerant to use is another major choice, with a variety of options available.

Furthermore, as increasing emphasis is placed on energy efficiency, tax credits and other efficiency incentives may play a major role in your ultimate decision process. Also, a variety of passive solar and other environmental techniques can be used in addition to or in lieu of traditional electric or gas systems. These are all factors which should be discussed with a qualified professional contractor.

The bulk of the cost of a new unit’s purchase and installation pays for the professional technicians who must calculate your structure’s load and, ultimately, perform the labor necessary to install the unit. In fact, the hardware itself may only be a third of the final price of the entire installation. Choosing a competent, friendly company is perhaps the most important decision one makes when installing a new system. Ideally, such a company will return to perform any preventative maintenance and other repairs on the system once installation has been completed, and will provide a warranty in addition to that offered by the manufacturer. They should also be willing to discuss all possible heating and cooling options with you before committing to a traditional installation, as well as being knowledgeable about available tax credits and other financial incentives. With so much of the final cost going toward the contractor, choosing well here could make the difference between a successful installation that works for years, and a poor one that fails constantly.

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