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One of the most common questions homeowners ask is: How often should solar panels be cleaned? The answer is... it depends. Dust, pollen, bird droppings, traffic pollution, nearby construction, panel tilt, rainfall, morning dew, and local air quality can all affect how quickly residue builds up. For many homeowners in Southern California, however, the answer may be more often than they originally expected. At Interstellar Solar Cleaners, many of our customers originally starte

People might not give much thought about cleaning, but they should. For example, how many times have you used a cleaning product that was wildly effective, only to later find out it was actually harmful (eg. TCE, Tricolsan, Teflon, etc)? Or what about those 5-star rated Amazon scrubbers that make cleaning showers and bathtubs super easy? Those same scrubbers strip off the protective glaze layer and cause long term damage. Automatic car washes and pressure sprayers for the car

If you've researched professional solar panel cleaning, you may have heard that your panels must be cleaned with deionized (DI), demineralized, or “spotless” water. Deionized water certainly has advantages, especially aesthetically at close distance. But what do solar-panel manufacturers themselves actually say about this? What Do Solar Panel Manufacturers Actually Say? Rather than relying on claims made by solar-cleaning companies—including ours—the best place to start is wi

Keeping the surfaces of your panels clean might seem like a simple task, but its benefits go beyond appearances. Regular maintenance...

Stiff, abrasive bristles may clean aggressively, but solar manufacturers recommend soft, non-abrasive cleaning tools When most people think about solar panel cleaning, they naturally focus on the water. Should the water be filtered? Should it be deionized? Should detergents be used? Those are all reasonable questions. But there is another part of the cleaning process that deserves just as much attention: the brush. A solar panel cleaning brush is in direct physical contact wi

Based on the information below, what do you think of this person's foot placement? Tile roofs are durable, long-lasting, and attractive—but they can also be surprisingly easy to damage if someone walks on them incorrectly. So what is the best way to walk on a tile roof without cracking the tiles? Where Should You Step on a Roof Tile? According to industry guidance, one of the safest places to place your foot is near the lower portion of the tile. The Tile Roofing Industry All

Standing on the metal frame can help mitigate damage to the underlying cells If you've ever watched solar panels being installed or cleaned, you may have seen someone standing, kneeling, sitting, or even walking directly on the panels. That naturally raises a question: Is it actually safe to walk or sit on solar panels? You may find conflicting answers online. Some installers and cleaners claim that modern solar panels are strong enough to support a person's weight. Others sa

Can someone clean their own panels? Of course, just like one can clean their own vehicle. The key difference though, is that cleaning...