Eco-friendly and energy efficient, solar swimming pool heaters can be a great alternative to gas and electric models. A solar heater turns the light and heat from the sun into energy to heat up your pool. These heaters are very popular in different parts of the world, particularly areas with higher temperatures and a lot of sunshine.
HOW DO SOLAR HEATERS WORK?
If you already have a pump and filter set up for your pool, then all you need to set up solar heating is a kit with solar panels and a few other installation necessities. However, even if you are a pretty handy person, it is usually best to let a professional install your solar heating kit. Typically, the solar panels are mounted in an area that will get the most southwestern sunshine in a day, usually on a roof or a rack of some sort. Five to six hours of sun per day is ideal. If you do not have access to that type of sun exposure, you can still use solar heating by increasing the square footage of the solar heating panels for greater temperature rise in the water. Solar pool heaters work well in most parts of the United States and are incredibly low maintenance.
Once installed, solar heaters heat your pool by pulling the water from the pump to the black panels. The water travels through the panels, absorbing any heat picked up by the sun before flowing back through the pump and filter and into the pool.
ADVANTAGES OF A SOLAR HEATER
Heating your pool by using a solar heater provides one advantage that no other heater does: no direct operational costs. You can enjoy a heated pool all year round without having to worry about huge increases in your energy bills. People tend to use their pool heaters during peak times, which also happens to be when energy costs are the highest, but this is not a worry if you are using a solar heater.
Solar pool heaters are also more eco-friendly than most other options, since you are using natural resources to heat your pool, as opposed to using gas (which can emit carbon dioxide and other harmful elements during heating) or electricity (which requires the burning of fossil fuels to harness). If nothing else, solar heating is far more convenient and can usually be set up with whatever existing pump and filter you have, so you don’t have to worry about having to buy or set up new equipment.
DISADVANTAGES OF A SOLAR HEATER
While there are several advantages to choosing a solar heater, there are a few disadvantages as well. Solar heaters do cost less in the long run when it comes to their operational costs, but the initial installment can be expensive. Depending on the size of your pool, they can also take up a considerable amount of room, so it is important to consider whether you are okay with solar panels taking up room on your roof, lawn, or anywhere else you may need to set them up.
The other thing to consider when it comes to choosing a solar heater is the wait time; a common complaint is that solar heaters do not heat as well (or at least as quickly) as gas or electric heaters. Solar heaters can take longer to heat the pool water, since they use energy and heat pulled from the sun rather than a separate heating element. Also, since a solar pool heater does pull its power from the sun, it is subject to weather conditions. On windy or cloudy days, you will not get the same results as you would on a bright and sunny day. A pool cover will allow the heating system to retain heat during those cooler, overcast days.
There are several options when it comes to deciding how you would like to heat your pool. Solar heating tends to be popular for its environmentally friendly process, low-cost use, and convenience, but there are disadvantages. It is important and recommended that you research different options to see what will work best for you before making a choice. Always consult a professional before attempting to install or set up any heating system.
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Maybe you wanted to make an effort to go green, but most likely it was after seeing your pool heater’s first big gas bill. How it works, what’s it made of, and which is the best for your pool are things that remain a mystery to some pool owners. Well, never fear, we will give you the basics of solar pool heating.
What Is a Solar Heater?
The most common type of solar pool heater is an array of polypropylene (PP) veined mats that are spanned between two feed pipes. The mats, also called collectors, are laid out in direct sunlight to absorb its heat. As water is pumped through the mat’s veins, heat is transferred from the PP mat to the water. The water travels back to your pool to provide that cozy “chill-free” feeling in your pool.
A less common, but more expensive, type of solar heater is the glazed panel heater. These are aluminum-backed panels with copper piping sandwiched between tempered glass shields. Glazed solar panels are more efficient in transferring heat, but can be twice the price.
For above ground pool owners, there are less expensive lightweight options, like the Game Solar Pro, for heating your pool. These coiled packs of solar can be chained to heat rectangular pools that are up to 16’X32′ in size.
How to Size a Solar Heater?
To size a solar heater, you must first calculate the area of the pool’s surface. If you have a rectangular pool it is a simple length X width formula. However, for a Lagoon, or Kidney Shaped use online pool surface area formulas like the ones found here. In this example we will say our pool’s surface area is 500 square feet.
The solar heater panel array should equal 50-60 percent of your pool’s water surface area. In our example, we have a pool area of 500 square foot which means the required area of solar panels would be 250-300 square feet.
Whether a heater is gas or solar, do not be afraid to oversize it by going up to 70-80 percent of the pool area. The more panels there are to heat the water, the quicker your pool will get to your desired temperature.
Where Are You Going to Put It?
Before you buy a solar heater, make sure to scout the property for a reasonable place to install your panels. Be mindful of:
Unfortunately not everyone’s house has an unobstructed 8’ X 20’ roof section that faces true south. In those cases you will have to pick your position. Homeowners have laid out heater panels on the ground, decks, and have even hung them from a fence. Panels come with mounting kits so you can mount them to most structures that are sturdy enough to hold the panels plus the water they hold.
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Solar Panel should face south to maximize heating potential. Before you buy and install a solar water heating system, you need to first consider your site’s solar resource, as well as the optimal orientation and tilt of your solar collector. The efficiency and design of a solar water heating system depends on how much of the sun’s energy reaches your building site.
Solar water heating systems use both direct and diffuse solar radiation. Even if you don’t live in a climate that’s warm and sunny most of the time, your site still might have an adequate solar resource. If your building site has unshaded areas and generally faces south, it’s a good candidate for a solar water heating system. We can perform a solar site analysis.
Both the orientation and tilt of the collector will affect your solar water heating system’s performance.
Solar hot water collectors should be oriented geographically to maximize the amount of daily and seasonal solar energy that they receive. In general, the optimum orientation for a solar collector in the northern hemisphere is true south. However, recent studies have shown that, depending on your location and collector tilt, your collector can face up to 90º east or west of true south without significantly decreasing its performance.
You’ll also want to consider factors such as roof orientation (if you plan to mount the collector on your roof), local landscape features that shade the collector daily or seasonally, and local weather conditions (foggy mornings or cloudy afternoons), as these factors may affect your collector’s optimal orientation.
Reduce swimming pool heating costs by installing a solar pool heater. They're cost competitive with both gas and heat pump pool heaters, and they have very low annual operating costs. Actually, solar pool heating is the most cost-effective use of solar energy in many climates.
HOW THEY WORK
Most solar pool heating systems include the following:
Some systems include sensors and an automatic or manual valve to divert water through the collector(s) when the collector temperature is sufficiently greater than the pool temperature. When the collector temperature is similar to the pool temperature, filtered water simply bypasses the collector(s) and is returned to the pool.
Solar pool collectors are made out of different materials. The type you'll need depends on your climate and how you intend to use the collector. If you'll only be using your pool when temperatures are above freezing, then you'll probably only need an unglazed collector system. Unglazed collectors don't include a glass covering (glazing). They are generally made of heavy-duty rubber or plastic treated with an ultraviolet (UV) light inhibitor to extend the life of the panels. Because of their inexpensive parts and simple design, unglazed collectors are usually less expensive than glazed collectors. These unglazed systems can even work for indoor pools in cold climates if the system is designed to drain back to the pool when not in use. Even if you have to shut the system down during cold weather, unglazed collectors may be more cost effective than installing a more expensive glazed collector system.
Example of how a solar collector works.
Glazed collector systems are generally made of copper tubing on an aluminum plate with an iron-tempered glass covering, which increases their cost. In colder weather, glazed collector systems—with heat exchangers and transfer fluids—capture solar heat more efficiently than unglazed systems.
Therefore, they can be used year-round in many climates. Glazed collectors also can be used to heat domestic hot water year-round.
Both glazed and unglazed collector systems should include freeze protection if they'll be used in colder conditions.
SELECTING A SOLAR POOL HEATER
A solar water heater usually costs between $3,000 and $4,000 to buy and install. This provides a payback of between 1.5 and 7 years, depending on your local fuel costs. They also typically last longer than gas and heat pump pool heaters. Your actual cost and payback depend on many factors. Therefore, before you purchase and install a solar pool heating system, you should do the following:
EVALUATING YOUR SITE'S SOLAR RESOURCE
Before you buy and install a solar pool heating system, you first need to consider your site's solar resource. The efficiency and design of a solar pool heater depends on how much of the sun's energy reaches your building site.
Solar pool heating systems use both direct and diffuse solar radiation. Therefore, even if you don't live in a climate that's warm and sunny most of the time -- like the southwestern United States -- your site still might have an adequate solar resource. Basically, if your building site has unshaded areas and generally faces south, it's a good candidate for a solar pool heating system.
Your local solar system supplier or installer can perform a solar site analysis.
SIZING A SOLAR POOL HEATER
Sizing a solar swimming pool heating system involves many factors:
Solar system contractors use worksheets and computer programs to help determine system requirements and collector sizing.
Basically, the surface area of your solar collector should equal 50%–100% of the surface area of your pool. In cooler and cloudier areas, you may need to increase the ratio between the collector area and the pool surface area. Adding collector square footage also lengthens the swimming season.
In any climate, you can usually decrease the required collector area by using a pool cover.
You'll also want a properly sized pool pump for a solar system. If you're replacing a conventional pool heating system with a solar system, you may need a pump larger than your current one or a separate, smaller pump to move the pool's water to and through the collectors.
A typical solar panel lasts for about 25 to 30 years. And during this period, most of the photovoltaic (PV) systems require little to no maintenance. However, the lifespan of your rooftop PV system depends on the technology, panel quality, and installation. Usually, solar arrays lose only 0.5 percent each year when it comes to performance. Even after using them for 25 years, they usually keep operating at an efficiency rate of 90 percent. Read this post to learn more about the durability of PV systems.
Solid Outer Layers
Though most PV systems have fragile conductive plates inside, reputed solar manufacturers design robust outer layers for increased durability. Whether you have opted for a rigid material or tempered glass, the outer layers are extremely resistant to adverse weather, high winds, debris, branches of trees, and hail.
Lifespan of Solar Systems
The durability of solar panels varies from one model to the other. However, purchasing panels from a reputed vendor will ensure that they last for about 25 to 30 years. Although solar panels do not cease to function, they do start to degrade after the specified period. That said, you don’t need to replace a PV system once it crosses the 25-year threshold. You can easily continue using them as long as you save on your electricity bills.
Mono and Polycrystalline Panels are Efficient
Choose mono or polycrystalline panels because the rate of degradation is much lesser than cadmium telluride, amorphous silicon, and copper indium gallium selenide panels. The output loss is only 0.61 and .064 each year pre-and-post installations.
Improving Solar Panel Lifespan
Keep your rooftop safe from physical damage like tree branches blowing in the wind and scratching the panels. Install the solar panels in a safe position away from branches and sheltered from the winds. Clean the panels on a regular basis.
Take care of your solar panels, and they will take care of all your power needs. If you have a PV system that requires maintenance, feel free to consult with our solar technicians. We can help you with the installation of solar panels, solar pool heating system, and other solar products as well.
There’s no denying that the solar energy industry is booming. With nearly 1.4 million solar installations till date, solar energy has made a mark for itself in the country. But renewable energies still make up a small portion of the total electricity production and solar accounts for just 0.9 percent. So, the real question is, how can we improve the efficiency of this clean energy source? Well, a couple of techniques spring to the mind, more about which you can read below:
Improved performance and greater energy generation is something every homeowner wants out of their investment. However, to achieve that, they should be mindful of the above-mentioned points. If you are yet to purchase a solar panel for your home, choose a good system. We can hook you up with some of the most efficient solar products in the market. Contact us here to know more.
If you are planning to install solar panels for your home, one of the first questions that comes to your mind is— Is my house fit for solar? You need to consider several factors including your roof angle, PV system installation, and the amount of direct sunlight received. So, before you set up the panels, it is important to understand whether they are a good fit for your home or not. Here are a few things to help you figure out if you should install rooftop solar panels:
Solar panels work in different weather conditions, from warmer regions such as Florida and California, to rain prone states like Georgia. Technologically-advanced and high-performance PV systems convert direct and subdued sunlight into electrical energy. It means that your rooftop panels operate in cloudy weather as well. Talk to our solar experts to figure out the amount of energy your solar panels will generate. It will help you understand how much you can save on your monthly power bills by switching to solar power.
Your rooftop solar system will produce more energy from the sun provided the panels face southwards. Make sure it is set up on a surface facing the south for maximum efficiency. Solar panels installed on a flat roof should face south. Let Coast to Coast’s installers check the panel installation, tree shading, and roof angle to ascertain whether your home receives enough sunlight to meet your family’s energy requirements.
PV systems work best on roofs made of asphalt shingle, composite, seam metal, or concrete tile. You can even install solar on roofs made of slate tile, wood shake, or mortar with clay or stone-coated steel or composite metal. Collaborate with a solar contractor with experience in setting up panels on these roofing materials. Inquiring about the kind of mounting hardware is also essential.
If you want to learn whether solar makes sense for your home, take a closer look at your roof structure, quality, inclination, and its exposure to the sun. For more information about our solar products, contact us today.
Selling solar hot water or large scale pool heating into municipal facilities has always been a very difficult task. City people have to protect the interests of their taxpayers at all times. They are under tremendous scrutiny and every snake oil salesman out there is trying to dig his claws into municipal coffers. Cities tend to hire engineering companies in order to distance themselves from the sensitive decision making. Domestic solar hot water heating systems use evacuated tubes or boxed and glazed collectors. These small scale systems don't have good economics because they are small scale. The cost of tanks and controls and plumbing and roofing is high compared to the area of collector exposed to the sun and the collector choice is naturally an expensive one because if you're going to all this trouble you'll want something that delivers maximum bang, not maximum bang for the collector buck. When we start looking at larger scale systems like preheating showers for Aquatic Centers we start to see much lower fixed costs per collector area. Solar gets a lot more viable a lot quicker. What happened of course is that engineers specified the old school boxed and glazed or evacuated tube collectors. They didn't even consider unglazed collectors.
When we look at these performance curves we see that unglazed collectors are affected by wind and as we move right on the x axis (water getting warmer relative to air temperature) we see why engineers like the evacuated tubes and boxed and glazed collectors. They retain their efficiency into marginal weather conditions and into the higher end of the heating range. What engineers failed to recognize or perhaps never thought to even look at was the fact that most hot water heating is done at the low end of the temperature range are even more efficient per area than the other types and on top of better efficiency they are far less expensive. The system has been installed for a year now and we've monitored it with our web based monitoring . The monitoring is not internet connected so the data is not always up to date and we've lost some data but we've still proven that we've displaced more energy here with this system than we would have with more expensive technology. We've also proven that cost effective solar hot water is possible. Its possible to deliver solar at $100/GJ That's $100 in capital cost up front in exchange for 1 GJ of annual energy production. If energy costs $10/GJ after boiler efficiency is included (which is close even with today's low natural gas prices) then its a simple ten year payback period. Others will brag that they are doing better than 10 years. They are incorrect. There's no way to do better than this kind of economics against cheap natural gas.or is there? Some municipalities like Sechelt, Esquimalt, and Kimberley have installed our solar panels at their municipal facilities. They have gone one step further with all this. They are using the Powerstrips to heat a tank of water and that tank of water is the source for a heat pump. Heat pumps utilize low grade heat. Ground source heat pumps for example might take ground heat at 10C and use it so the ground cools down to 5 degrees. That 10C to 5C drop in ground temperature is converted through the heat pump to heating water at 60C or air at 20C or a pool at 29C. Heat pumps take low temperature energy and pump it up to a higher temperature for use. Solar needs to operate at low temperature in order to be able to take advantage of unglazed collector cost efficiency. Heat pumps are the means by which we can utilize that low grade heat. We've known this in the solar industry for decades but we've been distracted by grants for the tried and true conventional approaches. Since this is a blog posting about municipal pools I need to mention something. Solar heating municipal pools has been a failed experiment. Its usually a bad idea because the pool temperature can not fluctuate and it needs to in order to store solar energy, otherwise the only gains made are gains that can be made during a sunny day and at these times there is usually too much heat. The sun is heating the space (indoor pool) and the heat pumps are dumping that heat outside or if needed into the pool water.
Municipal outdoor pools are only used in the heat of summer. Not much heat needed then and again thru half that season the sun on the pool is increasing the pool temperature and it started the day at setpoint so its a heat dissipation requirement and solar heaters never turn on. The only way solar works is when you are allowing the pool temp to fluctuate and its most beneficial in early and late season, before and after municipal pools operate. When we see solar on Aquatic Centers these systems are heating water for showers, not heating the pool.
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These days, business and home owners are becoming more aware about environment and wish to take all the important steps to be more accountable. Though, they just do not know where to begin. A wonderful place to start is by getting better your hot water system by applying solar water heating system. It is eco-friendly, versatile and will give a wonderful investment return.
Benefits of solar water heating technology:
Earlier than we get into the functionality of solar heater, here are few main benefits:
· A significantly lower electricity bill
· Lest investment risk with a higher investment return
· Less command on your existing water heating system
· Less costs of maintenance
· Long life expectation for the equipment
· Lesser greenhouse gas releases
· A professional green solution which simply uses non-renewable power
Solar power water heating is resourceful
Home owners that have pools on their property experience the real flexibility of solar energy water heater. They have the skill to use same kind of solar heating panels to heat their swimming pool in the summer months and heat the water during the remaining year. These solar panels even can extend the season of swimming by heating the swimming pool and can give increased storage of hot water.
The Investment return
While solar water heating system tend to cost more originally than more usual heating systems, definitely they will save you more amount in the long way. Usually, solar power water heating will decrease your heating bill by approximately 70%. That is a great savings. Even, you are secured from the higher energy costs as you are utilizing the sun to make more amount of the heat in your office or home.
The real ongoing cost savings by applying a solar water heating system is fully dependent on these important factors.
· How much amount of hot water you utilize on a daily basis
· The type and price of solar water heating system you are planning to purchase
· Performance of your systems
· The electricity price where you are living
· Available rebates on tax and flexible programs offered by government
· Maintenance cost
And, in case you are making a plan on building a new home, the financial side of spending money in an advance solar heating system is even better as you can include the cost of the system in your credit. In some cases, hardly you would notice the boost in your mortgage payment. As well as, thinking about that effective solar water heating systems are planned to last long term, generally more than 20 years, there is surely that it is a wonderful opportunity to save. Maintenance is very same to any plumbing system that you have in your home or office, and business or home owners must be devoted to timely repairs and maintenance.
If you want to use these systems then you can find trusted sellers online. Before you shop anything, you are suggested to check customer’s reviews first to get best deal.
The development with solar energy is as controversial as ever; but one thing you can’t deny that it’s getting more efficient and affordable with every passing year. Solar energy has become a main source of household energy supplier and effective for a homeowner. One of these steps is implementing the technology of solar water heating systems.
The Working Principle of Solar Water Heaters
Solar water heating systems heats the water directly that gets pumped into your home. There are two main types of solar water heaters available on the market, active and passive. Both types can depend on the climate. Therefore, it’s highly recommended to try them during the warmed months of the year.
Active solar water heating systems utilize pumps for water circulation through pipes located in the solar panels. Passive solar water heaters use a storage tank and solar collection tank where hot water can be kept for use later.
The Significance of Solar Water Heaters
Clean and highly efficient water heating
Solar energy is free and abundant. It has no carbon footprint. If you want to get away from hydro and gas power, solar water heater is a perfect option. It is perfect for those who live in an area that receives a lot of sunshine as approximately 80% of the radiation is converted into heat energy.
Great return on investment
Though solar power needs an initial investment to install, it replaces the energy you would be buying from the power company. Depending on the location, the investment will offer electricity savings. It’s estimated that your water heating bill would be minimized up to 80% with a solar water heating system.
Easy to maintain and operate
The solar water heaters don’t need much maintenance. All you need to do is to circulate a water softener in the pipes during every 3 years.
There are few moving parts in solar water heaters; but in general the system doesn’t produce much noise.
Unlike other solar technology that required the installation of 16 solar panels, the solar water heater requires two or three. You’ll require some additional space for the storage tank if you’re utilizing the passive process, but other than that it doesn’t take up enough space.
Renewable heat benefits
Commercial and domestic properties are entitled to maintain the renewable heat incentive. This means, you will get paid for generating your heat energy regardless of whether you utilize it. There is a user-friendly calculator available that tells you how much you can earn through the scheme. It can be hundreds of dollars every year.
Now you might get a better overview of solar water heating systems. If you’re thinking to invest in solar water heaters, it’s highly suggested to choose no other than Solar Tubs. We are the premier and reliable supplier of perfectly-designed and engineered solar water heating systems at competitive prices. For immediate purchase, please visit solar water heater dubai or call us at +971 4 252 2966.