How Do You Clean Hot Water Solar Panels

Use a soft cloth or sponge and wipe them down with the soap solution and then rinse them with the hose.

How do you clean hot water solar panels.

It is not particularly complicated. Cole said solar panel wash is especially helpful in arid locations where dust is high and water is scarce because the wash allows for less water to be used in cleaning. Mine are by the sea and get a salt crust on them fairly rapidly so need bi monthly cleaning. Usually a good hosing off will do most of the job but you can also use a soft cloth or a soft bristled brush or broom and some warm soapy water or glass cleaning agent if they are particularly dirty.

I have always used clean tap water and a scrubby squeegee thing on a threaded broom handle. You do not have to clean the wiring underneath. Using anything with high pressure may cause damage. Be sure to check your panel manufacturer instructions for shutting down the system before cleaning if necessary.

Use a mild detergent if you feel like you need some extra help. You may need to carefully clean heat exchanger surfaces with medium grain sandpaper. Clean the surface of the solar panel with a soft cloth or sponge. Show extra caution if cleaning your solar panels requires you to climb up on the roof.

Disconnect your pv array from the inverter by pushing the rapid shutdown button or pulling down the dc disconnect switch. Fill a bucket or spray bottle with warm water and soap no other special equipment is needed. Use your garden hose to spray down the panels. Essentially in the same manner you would wash your car at home.

Depending on your location you may need to clean your panels more often than twice a year. How to clean those dusty dirty solar panels 1. Fill a bucket with warm soapy water or cleaning solution designed for solar panels. Because you don t want to scratch the panels in any way it s best to use just water and a non abrasive sponge to apply soapy water.

Solar panel wash modifies the surface tension of the water so instead of water beading up it will form a continuous film across the solar panels to lift dirt and debris. Brushing any loose dirt off before spraying them with water will make the squeegeeing process quicker and easier. If your panels are readily accessible you can clean them yourself. In some cases this will be enough to get them clean but sometimes you ll need to do a more thorough cleaning.

Start early in the morning. And if you re asking yourself if you can use a pressure washer to clean your solar panels we encourage you to only use a normal hose. Gather some distilled water and mix it with a little dish. You can avoid scaling by using water softeners or by circulating a mild acidic solution such as vinegar through the collector or domestic hot water loop every 3 5 years or as necessary depending on water conditions.