Solar Panel Cleaning

Professional Solar Panel Cleaning Services

Maximize Your Solar Efficiency with a Spotless Shine

Your solar panels work best when they’re clean. Dust, pollen, bird droppings, and debris can all block sunlight from reaching your solar cells, reducing energy output by up to 25%. That’s where we come in.

Our professional solar panel cleaning service ensures your panels stay spotless and efficient, helping you get the most from your solar investment.

Why Clean Your Solar Panels?

Increase Energy Output
Dirty panels can’t absorb as much sunlight. Regular cleaning improves performance and ensures you’re saving as much money as possible on your energy bills.

Protect Your Investment
Solar panels are a big investment. Routine cleaning helps prevent long-term damage from buildup, grime, and corrosive materials.

Extend Panel Lifespan
Professional maintenance helps your system last longer by minimizing wear caused by dirt and environmental exposure.

Maintain Manufacturer Warranty
Many panel warranties require regular cleaning and maintenance. Skip it—and you might void your coverage.

Our Safe & Effective Cleaning Process

We use a pure water-fed pole system and biodegradable, solar-safe solutions that lift dirt without leaving residue. No harsh chemicals, no high pressure, and no risk to your panels or roof.

  • Soft-bristle brushes for gentle but thorough cleaning

  • Spot-free rinse with deionized water

  • Fully insured & trained technicians

  • Safe for all panel types and roof materials

Residential & Commercial Services

Whether you have a few panels on your home or a large commercial array, we can help. Our team is experienced in handling systems of all sizes and layouts.

How Often Should You Clean Your Panels?

It depends on your environment. Dusty areas, bird activity, or tree cover may require cleaning every 3–6 months. Most homeowners benefit from semi-annual service to keep panels at peak performance.

Solar panels in an open field under a partly cloudy sky.

Book an appointment for Free Estimate.

At Diamond’s Window Cleaning, our free estimate includes a full walk-through of your property to identify exactly what’s needed to make your home or business shine. We don’t just quote prices—we inspect and advise on the services that will give you the best results.

During your free estimate, we’ll check for:
✅ Dirty or streaked windows (interior/exterior)
✅ Clogged or overflowing gutters
✅ Mold, mildew, or grime on siding or walkways
✅ Solar panels needing a clean for peak performance
✅ Other surfaces that may benefit from pressure washing

You’ll receive a customized quote with honest pricing and service recommendations—no pressure, no obligation.

Frequently Asked Questions – Solar Panel Cleaning

1. How often should I clean my solar panels?

Most homeowners benefit from cleaning their solar panels every 6 months. However, if you live in a dusty area, near trees, or experience frequent bird activity, you may need cleaning every 3–4 months to maintain peak performance.

2. Will rain clean my solar panels?

Not effectively. While rain can rinse off loose dust, it usually leaves behind spots, dirt streaks, or pollen buildup—especially if your panels are flat or tilted slightly. Think of it like a car windshield: rain helps, but doesn’t clean thoroughly.

3. Does cleaning solar panels really make a difference?

Yes! Studies show dirty panels can lose 15–25% of their efficiency. Clean panels allow maximum sunlight to reach the solar cells, improving energy output and saving you money.

4. Do you use any chemicals when cleaning?

No harsh chemicals. We use deionized water, soft brushes, and solar-safe biodegradable cleaners when needed. Our method is 100% safe for your panels and the environment.

5. Is pressure washing safe for solar panels?

No. High-pressure water can crack glass, damage seals, or void your panel warranty. We use a soft wash systemspecifically designed for delicate surfaces like solar panels.

6. Can I clean the panels myself?

You can, but it’s risky. Without the right tools or experience, you may damage the panels, hurt yourself, or leave behind residue that reduces performance. Our professional team is trained, insured, and equipped to do the job safely and thoroughly.

7. Will cleaning my panels void the warranty?

Actually, not cleaning them might. Many manufacturers require regular maintenance for warranty coverage. Our method follows manufacturer guidelines to help protect your warranty.

8. Do you offer service plans or scheduled maintenance?

Yes! We offer one-time cleanings, as well as scheduled maintenance plans (quarterly, semi-annual, or custom) to keep your panels in top shape year-round.

9. How long does the cleaning take?

For most homes, cleaning takes about 1–2 hours, depending on the number of panels and their accessibility. Commercial systems may take longer—we'll provide a time estimate during your quote.

10. What areas do you serve?

We proudly serve [Your City] and surrounding areas. Not sure if you’re in our service zone? Contact us and we’ll be happy to check.