Solar panels are a valuable investment, and keeping them clean ensures they operate at peak efficiency. Dirt, debris, and grime can accumulate over time, reducing their performance.
If your solar panels are installed on a pitched roof, cleaning them requires a careful and strategic approach to ensure safety and effectiveness. Here’s how to clean solar panels on a pitched roof the right way.
Read: What to Check After Roofers Installed a New Roof: A Post-Installation Checklist
Why Cleaning Solar Panels Matters
Solar panels work best when they are free of obstructions that block sunlight. Dust, leaves, bird droppings, and even water spots can hinder their ability to generate electricity. Cleaning your solar panels can boost efficiency by as much as 20%, especially in dusty or polluted areas.
Tools You’ll Need
Before starting, gather the following items:
- Soft-bristle brush or squeegee with an extension pole
- Garden hose with a spray nozzle
- Non-abrasive soap or solar panel cleaner
- Safety equipment like a harness, sturdy ladder, and non-slip shoes
- Bucket of water
Safety First
Cleaning solar panels on a pitched roof can be risky. Here are essential safety tips:
- Choose a clear day with mild weather. Avoid cleaning during rain or intense heat.
- Turn off the solar panel system. Refer to your manufacturer’s instructions.
- Use a secure ladder. Ensure it is stable and placed on even ground.
- Wear a safety harness. Attach it securely to an anchor point on the roof.
- Avoid stepping on the panels. They are not designed to support weight and can crack.
Step-by-Step on How to Clean Solar Panels on a Pitched Roof
- Inspect the Panels from the Ground
- Use binoculars to check for visible dirt or debris.
- Assess whether you can clean the panels yourself or need professional help.
- Prepare Your Cleaning Solution
- Mix non-abrasive soap with water in a bucket.
- Avoid harsh chemicals that could damage the panels.
- Position Your Ladder Safely
- Set the ladder against the roof securely and climb carefully.
- Carry only lightweight tools or use a tool belt.
- Rinse the Panels with Water
- Use a garden hose to spray off loose dirt and dust.
- Avoid using a pressure washer as it can damage the panels.
- Gently Scrub with a Soft-Bristle Brush
- Dip the brush into the soapy water and gently scrub the panels in circular motions.
- Focus on areas with bird droppings or stubborn grime.
- Rinse Again
- After scrubbing, use the garden hose to rinse off the soap thoroughly.
- Ensure there’s no residue left on the panels.
- Dry the Panels
- Use a squeegee with an extension pole to remove excess water.
- This prevents water spots and ensures maximum sunlight absorption.
Tips for Effectively Cleaning Solar Panels on a Pitched Roof
- Clean Early in the Morning or Late Afternoon: This prevents water from evaporating too quickly and leaving streaks.
- Avoid Hard Water: If your water is mineral-rich, use distilled water to prevent spotting.
- Regular Maintenance: Clean your panels every 6–12 months, depending on local conditions.
When to Call a Professional
If your pitched roof is particularly steep or you feel uncomfortable working at heights, it’s best to hire professionals. They have the right equipment and expertise to clean your solar panels safely and effectively.
Conclusion
Cleaning solar panels on a pitched roof may seem challenging, but with the right tools, safety precautions, and techniques, it’s manageable. Regular cleaning ensures your panels operate at their best, maximizing your energy savings.
Stay safe and enjoy the benefits of your clean and efficient solar panels!
Please Read: If Selling a House, Can I Recoup the Cost of a New Roof?
