Choosing,the,Right,Pool,Heater homerepair how to Choosing the Right Pool Heater for the Job
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Having your own private, heated pool is definitely an enjoyable luxury in cooler weather, but if you dont already have a heating system installed, youve first got to decide which system is best for your pool. Usually youll be able to choose between an electric, gas, or solar powered heating system, but there are plenty of factors to consider when deciding which is right for your pool, and for you. Each of the three options has some particular advantages and disadvantages.Electric Heat Pump SystemsElectric systems dont generate their own heat; instead they use electricity to pump heat to the pools heating unit. They work by circulating the pools water through a filtration and heating unit. The heater draws air from outside using a fan, and uses a combination of refrigerants, evaporation coils, compressors, and condensers to transfer heat to pool water. Heated water is then returned to the pool.Electric heat pump systems are very energy-efficient (often more efficient than gas systems), but in certain circumstances lose efficiency very quickly. Most systems operate most efficiently at outside temperatures of more than 45 to 50 degrees Fahrenheit, but lose efficiency quickly if the temperature decreases. The system will still operate effectively, but it will require more electricity to do so, because the cooler outside temperature forces the system to work harder to heat water.When choosing an electric system, the size of your pool, your local climate, and when and how you plan to use the heater are all important factors to consider. Efficiency and cost are also important to your budget. The value to watch for is the Coefficient of Performance (COP), which measures the efficiency of electric systems. The higher the COP, the more efficient the system; however because different manufacturers use different efficiency tests, the COP wont always provide a direct comparison between different systems.Electric systems are usually more expensive than gas-fired systems. Over time, however, the costs of each will even up somewhat, as electric systems are usually more efficient, and have lower annual operating costs. Properly installed and well maintained, an electric heating system will run smoothly for at least ten years.Gas-Fired SystemsGas-fired heating systems have long been a popular choice, despite their inefficiency as compared to electric and solar systems. Newer gas models are much more efficient than their predecessors, but even so they are still at a disadvantage. However, the relative efficiency of each system depends greatly on your local climate, and its suitability depends on your pool use habits, so there are going to be cases where gas is the best option.Gas systems are perhaps the most simple. They burn natural gas or propane, and heat the pools water by drawing water through a filter into the heating unit. The water is heated via proximity to the units combustion chamber.The beauty of a gas-fired heating system is that water can be heated quicklymuch more so than electrical or solar powered systemsand it can be heated regardless of external weather conditions. A gas-fired system can maintain any temperature you desire no matter what the weather. This quality, coupled with the lower efficiency and higher operating cost of the gas system, makes them really ideal for heating a pool which doesnt see regular use.To check the efficiency of a gas-fired system, use the heater efficiency ratio. This is expressed as a percentage, and refers to the amount of fuel the unit consumes versus the amount that is wasted when heating water. For example, unit operating at 55% heater efficiency uses 55% of the gas it consumes in heating pool water, wasting 45% in the process. On the other hand, a 95% efficient system wastes only 5% of the gas it consumes. More efficient systems are naturally more expensive, but over the life of the unit, itll pay for itself if you use the pool regularly. Choosing a 95% system over a 55% system will save a little over $400 a year. Given that a properly installed and maintained system will last at least five years, you can potentially save more than $2,000 in annual heating costs.Solar-Powered SystemsSolar heating is an extremely cost-effective method of heating a swimming pool, but the suitability of these systems is heavily dependent on your local climate. Solar heating systems include four main parts: a pump, a solar collector through which water is circulated, a filter to remove debris from water entering the collector, and a valve which can be manipulated to divert water to the solar collector.The solar collector itself is a panel (or panels) installed on the homes roof. Water enters the collector and is heated, then returned to the pool. Depending on the collector being used, it can also heat water used in the home. In addition, in hot climates the system can be used to cool water down by diverting it to the collector at night rather than during the day.Start-up costs for solar systems are competitive in comparison to gas and electric systems. The real difference in cost is in annual operating costs, where solar heating definitely comes out the winner. Another advantage is that once installed, theyre relatively simple to maintain, and a well installed and properly maintained solar heating system will usually operate smoothly for at least ten and up to twenty years.Heating System InstallationRegardless of the type of system you choose, its almost always best to hire a professional contractor for installation. Itll cost extra, of course, but heating systems must be properly installed and configured for maximum efficiency, so its an expense that will more or less pay for itself in the long term.If you choose a solar heating system this is particularly importanta professional contractor is an absolute necessity in this case, as there are additional issues, such as safety and local building codes, to consider during planning and installation. Choose a certified or licensed contractor with experience in working with the type of system you plan to use for the best results.Dont forget that your heating system will need annual tune-ups and will probably require servicing periodically, too. Again, its usually best to hire a professional for this work to keep the system in tip-top condition.
Choosing,the,Right,Pool,Heater