Showing posts with label Solar Pool Heaters. Show all posts
Showing posts with label Solar Pool Heaters. Show all posts

Wednesday, 28 December 2022

Understanding the Product Features of Solar Pool Water Heating System

Most pool owners know the benefits and cost savings of using solar pool heaters. Generally, pools are used for seasonal purposes and are only used during the summer. However, investing in a solar-powered pool heating system can benefit pool owners significantly. Northern Lights solar pool heaters can be integrated to supply heat energy to the pool during summer and provide home and space heating as we; as residential hot water in winter.

That means solar pool heaters can minimize your heating bills throughout the year. These systems are the only alternative for indoor pool owners as they look for a solution for heating their pool during winter. The solar-powered pool heating systems enjoy much longer life expectancy and provide more heat energy throughout the season than any other type of pool heater. The overall ownership cost is relatively less for homeowners as the pool heating system yields maximum savings than fossil fuels and electricity, as well as traditional solar pool heating systems.

Solar Water Heating Pool

Understanding the Product Features

Suppose the solar collectors are warmer than the pool water by four degrees Fahrenheit or more and the pool has below the desired temperature. In that case, the pump will be activated, allowing heat collection from the collectors to the solar pool heat exchanger. The collection of heat energy stops when the solar sensor temperature drops to within 1.5 degrees of the pool temperature or the pool temperature exceed the chosen desired temperature.

Automatic Cooling –

When the collectors are cooler than the pool water by eight degrees Fahrenheit or more, and the pool temperature is above the desired temperature, the pump gets activated and allows cooling through the solar collectors. Heat energy dissipation continues until the collectors emerge within three degrees Fahrenheit of the pool temperature or the pool temperature drops below the desired temperature.

Single Setting for Desired Temperature –

You can use the single dial adjustment with the indicated desired pool temperature to set the Aqua Solar. The dial is calibrated with the temperature from 70 degrees F to 104 degrees F to ensure fast, easy and user-friendly operation. The set temperature indicates the desired pool temperature. By using Aqua Solar, you can know whether the water should be heated or cooled, thereby maximizing the capabilities of the solar system.

Terminal Strip Connections

Terminal strip connections are used for input power and sensor inputs. The controls feature standard three-pin connectors operating both forward and reverse valve actuators.

LED Display

The LED display shows the operational status of the entire system. The additional Valve Output on the Aqua Solar allows the second zone of a pump or a three-way valve.

Re-Circulation Freeze Protection

The field selectable options switches on the Aqua Solar output that directs warmer pool water through the collectors when near-freezing temperatures are noted at the auxiliary sensor. The Aqua Solar allows re-circulation when the auxiliary sensor goes below 34 degrees F and stops circulation when the temperature exceeds 36 degrees F. The operation requires two 10K ohm sensors. If you use the freeze re-circulation, it requires one or more freeze snap switch sensors. Therefore, it is essential to see the instructions before using the freeze re-circulation option.

System Operation and Test Switch –

The switch allows manually overriding Aqua Solar's automatic functioning to verify operation.

Bottom Line –

Do you want to learn more details about the product details of solar pool heaters? Feel free to contact Northern Lights Solar Tubs at +1 (800) 317-9054. +1 (800) 317-9054.

Thursday, 8 December 2022

Understanding Different Solar Pool Heat Exchangers

Most pool owners understand the significant advantages of solar heating systems. These systems provide maximum cost savings for heating their pools. Most pools are used for seasonal purposes and, as such, are only used during the summer.

Investing in solar pool heaters can be a tremendous advantage for pool owners. The Northern Lights solar pool heaters can be integrated so that they supply heat to the pool during summer and provide home and space heating and residential hot water in winter.

However, solar pool heat exchangers are the essential features of solar pool heaters. As an integral part of solar pool heating systems, they help transfer heat energy between two liquids effectively. Both liquids, like water and glycol, can have different physical properties. They may be separated because of the various operational pressures. Whatever the reason, the solar pool heat exchanger allows energy transfer without any heat loss.

Solar Pool Heaters

There are two different types of solar heat exchangers available, i.e., brazed plate heat exchanger and tube in the shell heat exchanger.

Brazed Plate Heat Exchanger

This heat exchanger is used for solar home heating purposes like solar radiant floor heating and solar snow melting.

Tube-in Shell Heat Exchanger

The heat exchanger is used for solar pool and hot tub heating purposes. Three variables are essential in transferring energy when using a solar heat exchanger.

  • The heat transfer area surface separating both liquids
  • Rate of flow between two heat transfer fluids
  • Pressure drop around both sides of the heat exchanger

The increase in surface area will minimize the difference in temperature between both sides required to drive the heat transfer. The greater will be the power, the heat exchanger can be able to handle a fixed differential temperature.

When the flow rate increases, it is more turbulent, increasing heat transfer. Mostly, it determines the differential temperature from inside to the out ports—the less restrictive the heat exchanger is to flow while lowering the pressure drop. As a result, the lower the wasted energy required to pump fluid through the heat exchanger.

A brazed solar plate heat exchanger has approximately the same pressure drop on every side and provides a large heat transfer area, given the volume of the heat exchanger. The solar pool heat exchanger is specifically designed to handle the high flow and produce a slight pressure drop on the poolside of the heat exchanger.

The physical direction of flow in the heat exchanger is recommended to be in opposite directions. This concept is well-known as Counter Current Flow. This is because the hot and cold fluids run in opposite directions to produce a more uniform differential temperature gradient around the heat transfer area. However, it often results in greater heat transfer than the fluids running in the same or concurrent direction. Therefore, the hot and cold in the solar pool heat exchanger should enter from opposite directions.

Bottom Line –

Do you want to learn more about solar pool heat exchangers used in solar pool heaters? Contact Northern Lights Solar Tubs at +1 (800) 317-9054.

Friday, 28 October 2022

Finding the Solar Pool Heating System for Pool

Are you looking for solar pool heaters to enjoy an extended swimming season? If yes, then you have made a good decision. Read the post and understand the benefits and tips to find the right solar pool heating system.

Let’s discuss the benefits of solar pool heaters.

Maximum Enjoyment –

You’ve installed a pool in your backyard to use at your convenience. Now you can harness the solar energy for heating your pool to extend your swimming season and increase the enjoyment of everyone.

A solar pool heating system keeps your pool warm even during cold months and cool during the hottest time of the year. Hence, you can spend quality time with your family and friends while taking a refreshing dip in your pool.

Solar Pool Heating

Eco-Friendly –

Traditional pool heating systems use natural gas or electricity for heating up. But solar pool heaters use the natural energy from the sun. The renewable energy source is eco-friendly and free of pollution. So your solar pool heater won’t produce carbon dioxide, pollution, or consume fossil fuels.

Affordability –

Solar pool heaters are considered affordable solar-powered systems available on the market. The sun is a free energy source that provides enormous renewable energy to operate your pool heater. Compared to traditional gas heating systems, a solar pool heater is incredibly energy efficient and affordable.

Low Maintenance –

Solar pool heating systems are durable and require less maintenance than their counterparts. The standard solar pool heating system works effectively for 15-20 years, double the average useful life of a traditional heating system. Maintain a good chemical balance in your pool and check the filter system regularly to keep your solar heating system working correctly.

Finding the Right Solar Pool Heating System –

Read on the steps to find the solar pool heating kit allowing you to relax in a comfortable, warm pool year-round at lower utility costs in no time.

Consider the pool size.

When you’ve decided to heat a pool using solar energy, the pool water is circulated through a solar collector to be heated by solar radiation. However, your pool heating system will require a collector that is 65%-100% of your pool surface area. Other factors like climate and personal preferences affect your decision.

Consider the climate condition.

Increasing the square footage of your pool area can extend the swimming season and make swimming possible during cooler weather. The choice is yours, and If you want the best results, you should contact the solar system installer, and they’ll help you determine the number of solar evacuated tube collectors that work for you.

Consider working with a reliable solar system manufacturer.

It’s suggested that working with a trustworthy solar system manufacturer is perhaps the most essential step in finding the right pool heating system for your pool. So, you should rely on Northern Lights Solar Tubs for the right solar pool heater.

When you trust us for your pool heating requirements, we prioritize your needs and ensure that you benefit from our professionalism, outstanding service, and extensive years of experience. For more information about our solar-powered systems, please contact us at +1 (800) 317-9054.

Tuesday, 28 June 2022

Why Do You Consider Solar Pool Heaters for Your Pool?

Most pool owners have a perception that solar pool heaters are complex and comprise so many moving parts. In reality, they are not. Heating your pool by using a solar pool heater is straightforward and transparent. But how do they work?

The pipes are connected to the solar panels present on the roof or other open space available. They pump out water from your pools to the solar panels. Gradually, the solar panels transfer heat energy to the water, and the warm water goes to your pool. Please check out the post and know why to invest in a solar pool heating system:

Simple to Maintain –

You need a  simple pool heater. A solar pool heater is an excellent choice for you. Unlike other pool heaters, solar-powered heating systems are less prone to blockage and contain significantly fewer moving parts like fans or motors.

Hence, you can expect 15-20 years of working life from a solar pool heater. Whether you want to expand your pool further or would like to heat it much faster, you can add more solar panels to your existing system.

Reliability –

Solar pool heaters are more dependable systems so that you can give consistent heating to your pool throughout the extended swimming season. They have simple mechanisms and may break or get issues if not installed and maintained correctly.

Flexibility –


Do you own a large or an unusual shaped or sized pool? If yes, you might wonder whether your pool is suitable for solar pool heater installation. Fortunately, a pool heater is a highly versatile system, enabling a professional installer to set it up in almost every environment. Generally, a solar pool needs to be installed on the roof – a space with enormous room and sunshine. However, you can install your pool heater on the ground if you have enough space for its setup.

Visually Appealing –

Solar panels look amazing and give an overwhelming touch to the overall appearance of every home. However, the roof-mounted solar panels have a sophisticated look that increases the overall visual appeal of your home. Having a beautiful looking home is essential if you plan to sell it any time in the future. Getting a solar pool heating system will help you increase the value of your home.

Unique Installation Process –

The swimming pool looks beautiful when it is neat and clean both inside and out. The traditional pool heaters were giant look machines, but the solar pool heating system looks more discreet. Clean and discreet design is one of the main reasons behind the popularity of solar pool heaters.

Bottom line –

Northern Lights Solar Tubs provides a comprehensive range of solar water heating packages, including solar pool heaters and accessories, ensuring optimal performance and enormous efficiency. For more information about our solar heating systems, please get in touch with us today at +1 (800) 317-9054.

Tuesday, 7 June 2022

How Do You Save on Solar Pool Heating Costs?

Do you want to add a swimming pool to your backyard? Or do you have a swimming pool already? But do you not know how to get the most out of it throughout the day and year? If you own a swimming pool, you might be spending a significant amount on its maintenance. When you think of adding a heating system, it will further drive the price.

There are so many pool heating systems available right now. The costs of solar pool heaters tend to be less expensive in the long run than their electric and gas-powered systems. Generally, solar pool heating costs range from 2000-to 3000 dollars, including the installation cost. You may find the price steep, but the cost doesn't seem that bad when you consider what you will receive in return on the investment.

Solar pool heating costs are affordable as the energy source is free, i.e. the sun. With the solar panels and cover, the solar pool heating system keeps the pool water warm and extends the swimming season.


The solar-powered heating system for the swimming pool is ecological, renewable and sustainable. Some government bodies even provide grants and incentives to people investing in different solar heating systems. Generally, a pool heater's actual and monetary cost depends on additional facts. The two most important factors are the pool size and the climate of your area. Other factors like the type of system you invest in will significantly affect your solar pool heating costs.

If you want the best, most precise estimate of solar pool heating system costs, you should contact Northern Lights Solar Tubs. On our website, we have expert advice on every conceivable area of solar energy. In addition, you will get an accurate overview of your solar pool heating systems by browsing through the pages.

Whether you want to invest in a swimming pool or you are looking to extend the life of the existing pool, visit our site and take a look at solar pool heating costs. You will know the costs and a workable plan within an hour.

You might consider investing in a solar pool heater rather than a gas or electric-powered system. The answer is pretty simple. As discussed above, solar pool heaters are ecological and economical heating systems. They provide a renewable and sustainable way of heating your pool, allowing you to maximize your usage. In addition, you can extend the pool season by months upon installing a solar pool heater.

Don't hesitate to get in touch with Northern Lights Solar Tubs team today and let us provide you with the latest information on solar pool heating systems and the one that would work best for you. Then, with industry-best experts, we'll get back to you with the correct answers to any questions you could have.

Now you have the pool you've been longing for all the while. Invest in a solar pool heating system and gain the most from your new solar system investment.

Friday, 15 April 2022

How Does Solar Pool Water Heating System Work?

Most pool owners are very much aware of the benefits and cost savings of using a solar water heating system for the pool. They often use their pools on a seasonal basis. This means the pools are used during the summer season.

However, investing in solar pool water heating systems can bring great benefits for pool owners. Solar pool heaters can be integrated allowing pool owners to use them in the summer so that they can supply heat to the pool whereas they provide home and space heating as well as residential hot water during winter.

How do solar pool heaters work?


When it comes to buying solar pool heating systems, you should look no further than Northern Lights solar pool heater. Unlike other heating systems, these heaters use a closed-loop system. This means the pool pump pushes water up against gravity which causes excessive wear on the pump and increases the operational cost by up to 30%.

The solar pool heating system separates the heating fluid and pool water through a heat exchanger. A small amount of water or glycol during freezing climates is circulated throughout the solar vacuum tubes at a rate of 0.75-1.25 GPM. They ensure solar energy absorption through the advanced solar evacuated tubes and transfer the energy to the pool through the heat exchanger.

The high flow pool heat exchanger puts very little resistance on the pool pump which allows the system to work at its capacity. Rest assured that, the chlorinated pool water won’t get in contact with the solar system which ensures prolonged life and maximum ROI by up to five times of any ordinary pool heater.


The Northern Lights advanced solar pool heaters are considered more efficient. All they need is to start to turn on providing heat as soon as the sun rises in the morning. For its operation, it doesn’t require direct sunlight. Even in light rain, your solar pool will deliver heat energy to the pool.

A digital controller helps in maximizing solar energy output and has safety features like freeze protection, holiday cooling mode and advanced energy monitoring which will let you know your daily savings. You can get to know the real-time performance and data history on your PC or smartphone through the Free Resol VBus.net as the system can be able to transmit data to the internet.

A highly efficient solar heat exchanger helps in transferring heat between the pools. If you have a saltwater pool or high chlorinated pool, it’s recommended to use a titanium heat exchanger. It will last much longer and won’t get affected by pool chemicals. These solar pool heat exchangers are specifically designed for the application of pool flow rates that can be as high as 50 GPM.

Do you want to learn more about solar pool water heating systems? Feel free to contact Northern Lights Solar Tubs as soon as possible at +1 (800) 317-9054.

Monday, 3 January 2022

Why Do You Invest in Solar Pool Heating System?

Do you want to say goodbye to the leaky plastic mats aligning the roofs of homes? Are you looking to consider new age solar pool heaters? Why don’t you invest in solar pool heaters that use high powered solar vacuum tubes!

They are capable of providing homeowners with solar heat energy which is delivered to the pool in an indirect way. These solar pool heating systems use stainless steel or titanium heat exchanger. They can eliminate the harmful damage caused by the chlorinated water present in any solar heating system.


Using the heat exchanger, the solar pool heater removes the requirement for oversized pumps. They raise the large volume of water to the top of the roof. Instead, this pool heating system requires a small circulating pump which draws less than a light bulb with life expectancy of 20 years.

Why Do You Switch to Solar Vacuum Tube Pool Heaters?

There are so many reasons behind installing solar evacuated tubes pool heaters. They work in indirect light and cloudy conditions. This means, solar pool heaters are capable of providing useable heat energy to the pool from sunrise to sunset and cloudy days. Vacuum tubes have a life expectancy of over 25 years so that you don’t need to fix leaks and replace any mats once in every three to five years.

The ownership cost of solar pool heating system is substantially less. The evacuated tubes won’t be affected by windy conditions. Ordinary plastic pool heaters work like radiators which removes the heat energy much faster than it can be supplied even if there’s a slight breeze.

The vacuum tube works effectively in minus 40 degrees. When the ambient temperature is colder than the pool water, an evacuated tube solar pool water is working consistently. Other systems only provide heat energy when the air temperature is more than the pool temperature. This means, you can extend the pool season by two to three months by using this solar pool heater.

The pool heating system has much longer life expectancy and delivers more heat energy throughout the season than any other type of pool heaters. The overall ownership cost is substantially which yields more savings to homeowners over fossil fuels and electricity as well as other traditional pool heating methods.

Though you’re going to heat the pool by using solar powered system, it will minimize your heating bills year round. This system is the only alternative to the indoor pool and a perfect solution for heating pools during winter.


The main reason behind the solar pool heaters is the design allowing the pool heating systems to integrate with each other easily. Your solar pool heater can be able to supply hot water to the residential premise and can work during winter to supply your home with enough space heat. It can share its heat with a hot tub to maximize your investment.

The solar pool heating systems are available with a second zone option which can be added at any time. Imagine heating your pool during the summer and having the system minimize your home heating bill remaining of the year by providing you with thermal energy even amidst winter.

When it comes to investing in solar pool heaters, you should look no further than Northern Lights Solar Tubs. For more information, please contact us today at +1 (800) 317-9054.

Monday, 6 December 2021

What are your reasons for considering purchasing a solar pool heater?

Are you looking for solar pool heaters? If yes, you must be familiar with the benefits and cost savings of using solar pool heaters. Most pool owners are using pools for seasonal purposes and are used only during the summer.

Investing in a solar pool water heating system can offer so many benefits to pool owners. It can be integrated to provide heat to the pool during summer and deliver home, space heating as well as residential hot water. 

However, you’ll get significantly less heating bills throughout the year. These systems are the only solution for indoor pool owners looking for heating pool during the winter. Generally, Northern Lights pool heating systems come with much longer durability and provide more amount of heat energy throughout the season than any other available solar pool heaters.


However, the overall ownership cost is substantially less as it yields maximum savings over the cost of fossil fuels and electricity. Currently, solar pool heating systems use hi-powered solar vacuum tubes to provide solar energy which is delivered indirectly to the pool.

Solar pool water heating systems come with a stainless steel or titanium heat exchanger which can eliminate the damage caused by the chlorinated water. Using a heat exchanger eliminates the requirements for over-sized pumps that raise the large volumes of water to the top of the roof. In fact, these pool heaters require a small size circulating pump which draws less than a light bulb with the life expectancy of 20 years. 

You will take advantage of so many benefits for using solar evacuated tubes pool heating systems. Typically, a vacuum tube works effectively in indirect light and cloudy conditions. This means from sunrise to sunset and cloudy days, the systems will be able to deliver usable heat energy to pool. They have a life expectancy of over 25 years which implies you won’t need to fix leaks and replace mats in every three to five years. 



Moreover, the cost of overall ownership is substantially less. Even, these tubes work effectively during windy conditions. But the ordinary plastic pool heaters work like radiators which remove heat energy faster than it supplies when there’s a slight breeze.

Vacuum tubes work even in minus 40 degrees. When the ambient temperature is colder than the pool water, your solar water heater is working. Other systems provide heat energy only when the temperature of air is more than the pool temperature. This means, as a pool owner, you can be able to extend the pool season by two to three months by using advanced solar pool heaters from Northern Lights Solar Solutions. 

If you’d like to learn more about solar pool heaters, feel free to contact Northern Lights Solar Tubs team as soon as possible at +1 (800) 317-9054. We’ll get back to you right away with the pricing details and design related information.

Tuesday, 12 October 2021

Understanding an Open Loop & Closed Loop Solar Pool Heaters

When it comes to investing in solar pool heating systems, most pool owners have to choose between open loop and closed loop. You might be confused about the pool heater that works for your setup. Both types of systems are engineered specifically to the individual requirements of the customers.

This way, you will save more on electricity bills and reduce carbon footprint to a greater extent. With the constant advancement of technology, people are finding new more efficient ways to use the natural resources available to use. It’s time to invest in solar pool heaters so that you can transform the heat energy emitted from the sun into something useful for you and your family.


But you should understand the differences between the systems and know the one that works best for you.

Understanding an Open Loop Solar Pool Heater

An open loop solar pool heater helps in heating water directly from the pool and is added to the existing loop system. The water will circulate through the solar collectors in the existing filter and heating loop during the normal pool operation.

When the system requires energy for heating the pool, the water flows into the filter and existing heater. If the solar energy is providing the required temperature, the secondary backup heater won’t be needed. When your pool has the required temperature, the system starts bypassing solar loop to prevent it from overheating.

Advantage –

An open loop solar pool heating system has lower installation costs.

Disadvantages –

  • Less reliability
  • Less accuracy
  • More energy consumption by pool pump
  • Not ideal for cloudy or cold weather
  • Affected by chemicals or salt water
  • Roofs damaged by frequent leaks

Understanding a Closed Loop Solar Pool Heating System


A closed loop solar pool system is generally a pressurized system that separates from the pool loop. It doesn’t use water. Instead, an eco-friendly antifreeze solution that contains water, glycol, and propylene is used in the collectors.

This fluid circulates through the collectors and after that heat transfer is takes place in the pool water through a stainless steel or a titanium heat exchanger. Pool circuits meet up in parallel through the heat exchanger where the collector system transfers solar energy to the existing heater.

The existing heater supplies any extra required energy before going back to the pool. The circulating pump is switched off by taking the system into the “Stagnation” state. The fluid present in the collector converts to steam which the additional expansion tank in the loop absorbs it. This system is commonly used in the colder climates, year-round pools, and indoor solar pool heaters.

Advantages –

  • More reliability
  • More accuracy
  • Smaller circulating pump that uses less energy
  • Year-round use in indoor and outdoor
  • Easy integration into multiple systems
  • Longer life expectancy
  • Unaffected by pool chemicals

Disadvantage –

Higher initial cost

Final Consideration –

When deciding the solar pool heater, you should know what’s best for your setup. If you want to choose the system that’s the most trustworthy and uses the advanced solar technology, you should look no further than the closed loop system. It’s the efficient way of heating a pool that optimizes your rate of return.

If you want to learn more about solar pool heating systems, feel free to reach out Northern Lights Solar Tubs at +1 (800) 317-9054.

Tuesday, 21 September 2021

Why Do You Install Solar Pool Exchangers for Pool Water Heating?

Generally, pools and spas have additional amount of chlorine and bromine. It seems difficult to maintain the flow requirements at the pool or hot tub. That’s why flat plate solar heat exchangers aren’t ideal for them. This is where a special high flow pool heat exchanger comes in handy.

A solar pool exchanger can handle the higher secondary flow and high levels of Chlorine efficiently. It has the better flow characteristics, making it ideal for solar pool water heating. A titanium solar pool heat exchanger is recommended for applications that use salt water. This is highly resistant to chlorine and salt water.


Why Do You Consider Installing Solar Pool Exchangers for Solar Pool Heaters?

Northern Lights solar pool exchangers are usually designed to operate at high secondary side fluid velocities with low pressure drops. They come with a helical coiled tube design, making it unique from other shell and tube heat exchangers available. Their exceptional design ensures highly efficient heat transfer performance and diversity in their uses.

If you’re looking to maximize the overall performance of solar pool exchanger, you should get it installed in a counter-current flow process. However, the hot fluid flows through the tube or the primary side whereas the cold fluid makes its way through the shell or secondary side. For example, the pool water needs to flow through the shell side and the boiling water flows through the tube side in a swimming pool.

What are The Special Features?


Solar pool exchanger has high heat transfer heat exchanger tubes and smooth shell that ensures high velocities inside the unit. That’s why this heat exchanger is considered as a trustworthy, cost-effective, and efficient way to transfer heat in an indirect way between solar heating or boiler circuit and any spa or pool circuit.

What are the Main Reasons Behind the Installation of Solar Pool Exchangers?

  • High efficient and co-efficient up to 14000 w/m2 deg C
  • Heat exchange capacity three to seven times than the traditional equipment
  • Stainless steel and/or titanium material enduring high temperature, pressure, and corrosion
  • Helix screw thread elasticity heat exchange eliminating stress
  • Big volume of flow
  • Easy installation process and durability
  • 5.5m/s design flux speed and less dirt
  • ASME standard VIII-1

What are The Design Parameters of Solar Pool Exchanger?

There are four pool exchanger design parameters available i.e.

  • Shell side pressure – 60 PSI (4 bar)
  • Shell side temperature – 140F (60C)
  • Tube side pressure – 150 PSI (10 bar)
  • Tube side temperature – 250F (120C)

Bottom Line –

Are you looking to purchase solar pool heaters? And need professional help with solar pool exchanger sizing? If yes, please feel free to contact Northern Lights Solar Tubs right now at +1 (800) 317-9054. We’ll get back to you right away with a free design estimate best suiting your pool heating requirements.

What Do You Consider for Designing Solar Water Heating System?

When looking for solar water heaters , you should look no further than Northern Lights Solar Solutions. Their solar water heating systems ...