Q: How often should solar panels be cleaned in Southern California?

We recommend a professional cleaning at least twice a year . However, due to SoCal's heavy seasonal smog, coastal salt spray, and inland dust, many premium residential and commercial clients opt for quarterly cleanings to prevent any drop in energy yields.

Question 1

How often should solar panels be cleaned in Southern California?

Accepted Answer

We recommend a professional cleaning at least twice a year. However, due to SoCal's heavy seasonal smog, coastal salt spray, and inland dust, many premium residential and commercial clients opt for quarterly cleanings to prevent any drop in energy yields.

Question 2

Will professional cleaning void my solar panel warranty?

Accepted Answer

No. In fact, many manufacturers require regular professional maintenance to keep your warranty valid. We use specialized, ultra-pure water systems and soft-bristle solar brushes with zero harsh chemicals, completely protecting your warranty and equipment.

Question 3

Can I just use a garden hose or a pressure washer?

Accepted Answer

We strongly advise against it. Hard tap water leaves behind mineral deposits (calcium scale) that permanently bake into the glass, blocking sunlight. Pressure washers can break the thermal seal or crack the cells, completely ruining your investment.

Question 4

What areas do you serve?

Accepted Answer

Mr. Solar Clean proudly serves premier residential neighborhoods and commercial properties throughout Los Angeles County and Orange County, with a primary focus across the South Bay and coastal beach cities.

Question 5

How much efficiency do I lose if my panels are dirty?

Accepted Answer

Studies show that baked-on dirt, dust, and bird droppings can degrade your solar output by 10% to over 25%. Regular cleaning instantly restores that lost power, putting those energy savings directly back into your pocket.

Question 6

Doesn't rain clean my solar panels for free?

Accepted Answer

Unfortunately, no. Just like rain doesn't clean a dirty car windshield, it doesn't clean solar panels. Light rain actually mixes with existing atmospheric dust and smog, creating a muddy film that further blocks sunlight once it dries.

Professional Solar Panel Cleaning | Los Angeles & Orange County

Don't let dirt, smog, and ash steal your power. Our OSHA-trained, fully insured experts safely restore your panels to peak efficiency and maximize your clean energy savings.

Why choose Mr. Solar Clean for your solar panels

Restore Lost Power Output

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Get rid of the baked-on SoCal smog, dust, and grime. Contact us today for a fast, free service estimate.

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Frequently Asked Questions

Everything you need to know about protecting your investment and maximizing your solar power yield.

Question

How often should solar panels be cleaned in Southern California?

Question

Will professional cleaning void my solar panel warranty?

Question

Can I just use a garden hose or a pressure washer?

Question

What areas do you serve?

Question

How much efficiency do I lose if my panels are dirty?

Question

Doesn't rain clean my solar panels for free?

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