Soft Washing Vs. Pressure Washing: What's Best for Solar Panels?

May 20, 2025

Solar Panels are a significant invest, providing clean energy and reducing electricity bills. However, to maintain their efficiency and longevity, regular cleaning essential. A common question arises: Should you opt for soft washing or pressure washing? Choosing the wrong method can lead to irreversible damage, reduced efficiency, and voided warranties.

The Risks of Pressure Washing Solar Panels

Pressure washing involves using high-pressure water jets to remove and dirt and grime. While effective for hard surfaces like driveways, it's unsuitable for delicate solar panels due to several reasons

  • Physical Damage:

The intense pressure can crack or shatter the glass surface of solar panels.


  • Seal Compromise:

High-pressure water can breach the seals around panels, leading to moisture ingress and potential electrical failures.


  • Warranty Voidance:

Many manufacturers specify that using pressure washers voids warranty

Why Soft Washing is the Best Choice

Soft Washing is a gentle cleaning method that uses low-pressure water combines with specialized, eco-friendly cleaning solutions. Here why it's the preferred choice for solar panels:

  • Safe Cleaning: The low-pressure approach prevents damage to the panel's surface and underlying components.
  • Effective Dirt Removal: The cleaning solutions break down and remove organic matter like bird droppings, pollen, and algae, which can accumulate and reduce efficiency.
  • Maintains Efficiency: Regular soft washing helps maintain optimal sunlight absorption, ensuring maximum energy production.

How We Professionally Clean Solar Panels

At Precision Pro Wash, we follow a meticulous soft washing procedure to ensure your solar panels are cleaned safely and effectively:

  1. Assessment: We begin with a thorough inspection to identify the level of soiling and any potential issues.
  2. Application of Cleaning Solution: We apply a biodegradable cleaning solution that targets and loosens dirt, grime, and organic build up.
  3. Gentle Rinsing: Using low-pressure water, we rinse the panels, ensuring all contaminants are removed without causing damage.
  4. Final Inspection: We conduct a final check to ensure the panels are spotless and functioning optimally.

Maintaining your solar panels through regular cleaning is crucial for optimal performance and longevity. While pressure washing may seem like a quick fix it poses significant risks to your panels. Soft washing, on the other hand, offers a safe, effective, and eco-friendly solution.

Protect Your investment and ensure maximum energy production by choosing professional soft washing services.

June 3, 2025
Have you ever looked out your window and realized the view isn't as bright or clean as it used to be? You might be surprised how much dirt, dust, pollen, and even mildew can build up. Especially here in the Seattle-Tacoma area, where rain and trees are part of everyday life. Clean windows do more than just improve your view. They make your home feel lighter, your business look more professional, and your property last longer. In this blog post, we're breaking down why window cleaning matters, how often to do it, and the safest, most effective way to get those windows crystal clear
June 2, 2025
Seattle may be famous for its lush green beauty and rainy days—but all that damp weather also makes it easy for your home’s exterior to become dirty, streaked, and even moldy. If you’ve looked at your house lately and thought, “When did my siding get so dull?” — you’re not alone. Then enters professional house washing. It’s not just about looks—it’s about protecting your home, your health, and your investment. Whether you’re a homeowner in Tacoma, a property manager in Federal Way, or part of an HOA in Puyallup, this post will explain why house washing matters, how it’s done, and what makes Precision Pro Wash the right choice. Seattle-Tacoma homeowners face unique environmental challenges: Heavy rainfall and moisture Moss, algae, and lichen growth Tree sap and pollen buildup Airborne pollutants and mildew Dust and dirt from nearby construction or traffic These elements don’t just sit on the surface—they bond with your siding over time. Left untreated, this grime can lead to: Staining Faded paint Premature siding wear Mold growth that affects indoor air quality Reduced home value A quick rinse with a garden hose won’t cut it. That’s where professional house washing comes in.
May 29, 2025
When you think of curb appeal, what comes to mind? A freshly mowed lawn? A clean driveway? Maybe new paint or a pressure-washed walkway? What often gets overlooked—but makes a huge visual difference—is your home’s gutters. Specifically, the outer-facing parts that are visible from the street. Over time, these gutters collect dark streaks, stains, and oxidation that regular gutter cleaning just can’t remove. This is where gutter brightening comes in.
More Posts