how to install solar pool heater on roof
Pool Knowledge

How to Install Solar Pool Heater On Roof

Now that you are prepared to beat the winter and swim in warm water in the cold, a solar pool heater is the best renewable energy option. After buying your solar pool heater, the next step is installation. You can easily perform a DIY installation once you know the basics. In this article, we are going to give a step by step guide on how to install solar pool heater on roof. Let get started.

How to Install Solar Pool Heater On Roof – What to Consider  

Poor installation including positioning and fixing your heating system shall result in ineffective performance. To ensure you do it right, consider the following:

Consider the position and location of installation on your roof   

Solar pool heaters depend on the sun for energy, therefore, you shall want to position your solar in the best location that receives the optimum sunlight. 

Depending on your location, you should choose a place that is free of any above-the-roof shades like trees and such. We recommend placing choosing a southeast or southern location without shades. This is the area that receives the most sunlight. However, we advise that you take time and observe the position that receives most sunlight in your location.    

Putting all other measures into consideration, consider the length between your position of installation and the pool. To save on the plumbing costs in terms of the piping, choose an ideal roof position which is the nearest practicable from your pool.

Consider whether your roof and house is prepared for the installation

A solar water heater is a complex system that has a reasonable weight. If your roof was not meant to cater to this weight, you shall have to have a professional survey to confirm that it can actually support the weight of your solar heater system.

A solar water heater comes with the storage tanks. You need to check whether there is enough space in your house or garage to hold these tanks. 

The slanting degree   

The slant degree of the solar on your roof should be placed optimally to get the full sunlight. We advise that you elevate your solar pool heater at an angle of 45°. At this angle, your solar shall fully stabilize while receiving the optimum sunlight.

Consider the requirements of your local authorities  

Depending on your state of residence, there might be regulations for solar water heater installations. Ensure that you check with your local authorities to confirm whether you need any inspection or permits. There might be no such regulations in place but it is worth confirming first.

How to Install Solar Pool Heater On Roof – A Checklist of What You Need  

To fully install your solar water heater, you need to check that you have all the necessities. Here is a checklist for easy confirmation. 

  • The solar pool heater   
  • Ball and check valves 
  • A solar controller system 
  • The necessary pipes for the piping system 
  • Insulation material

How to Install Solar Pool Heater On Roof – The Installation Process  

Mounting the solar panels  

Follow the manufacturer’s manual to mount the panels on your roof correctly. You shall need a few roof penetrations for fixing your panels to the roof, ensure that you keep them as minimal as possible since they can later lead to leaks. 

Your fixing point shall be on the rafters, easily locate your rafters by making perforations immediately beside the rafters from the inside then identify them from the outside. 

If you plan to store your storage tanks in your house, you shall need to make perforations for the piping. If possible, you can opt for a different piping route such as your walls. After everything, seal the perforations with a silicon sealant to avoid leakage later.  

Install the solar water heater storage tanks 

Place your storage tanks in the room you selected before. Preferably, you should store your tanks where your conventional water heater tanks are stored. Connect the piping as guided in your manual to get set. 

The storage tanks should be well insulated to prevent excess heat loss. Connect the cold water inlet, the hot water outlet, and circulation pipes in the right manner as instructed.

Now do the piping and pump  

When doing your piping, ensure that you use PVC pipes. This is because they are poor conductors at heat and shall offer maximum insulation for your heated water. 

The piping that carries the heated water should be fixed through the shortest distance possible to the tanks. Avoid exposing these pipes to the open weather and preferably pass them inside your house.

Ensure that you put a layer of insulation for your pipes to avoid heat loss. Ensure that you fix air and drainage valves. The drainage should be fixed at the base of the tank for efficient functioning.

Make the glycol loop without soldering and test for functionality, after confirming that you did it right, you can now solder.

Install your control system 

Install the differential controller so that it can read the water temperature difference. Put in place the bypass valve in between the inlet pipe. Install the tempering valve after the conventional water heater to ensure your pool water does not get too hot.

Fill your system

After the whole system installation process, fill it with water to check for any dysfunctions such as leaks. Ensure that water fills the loop without any air space for proper functioning. 

Finally, do the insulation

To ensure there shall be no heat loss from the pipes, you need to insulate them. You can use a number of materials for this purpose. We recommend the standard foam pipe insulation for the lengths and duct at the joining points.

How to Install Solar Pool Heater On Roof – A Final Word 

Are you prepared for the above process? 

If no is your answer, you can opt for a professional service at a cost. If yes is your answer, then roll up your sleeves and get to work, follow your instructional manual and this guide closely to set everything right.