Frequently Asked Questions
Everything you need to know about solar panel cleaning, inspection, and solar guard installation in Phoenix.
Solar panel cleaning
How often should I clean my solar panels in Phoenix?
We recommend 2–3 times per year for most Phoenix homeowners. Monsoon season (July–September) deposits heavy dust and debris, so a post-monsoon cleaning is especially important. If you have trees nearby, birds roosting on your roof, or panels in a particularly dusty location, you may benefit from more frequent cleaning visits.
Does rain clean my solar panels?
Not in Arizona. Rain in the Phoenix area often contains dust particles that dry on the panel surface, leaving a film that reduces output. In the desert southwest, rain typically makes soiling worse, not better. Professional cleaning with purified water is the only way to properly restore panel performance.
Will cleaning void my panel warranty?
No. Our purified water cleaning process is safe for all panel brands and manufacturer warranties. We never use harsh chemicals, abrasive tools, or high-pressure washing that could damage panel coatings or seals.
How much output do dirty panels lose?
Studies in desert climates show dirty panels can lose 15–30% of their energy output. In Phoenix’s dusty environment, the impact can be even higher if panels go uncleaned after monsoon season. A professional cleaning from Solar Guardian restores that lost output, often paying for itself within the first billing cycle.
Do I need to be home during the cleaning?
No. As long as we have access to your roof, you do not need to be present. We send a full before-and-after photo and video report when the job is complete so you can see exactly what was done.
System inspection
How often should I have my solar system inspected?
We recommend at least once per year, ideally after monsoon season when debris and wind stress can cause wiring movement and damage. If your energy output has dropped unexpectedly, do not wait — book a system inspection right away.
What do I get after the inspection?
A full photo and video report documenting every panel, connection, and mounting component we examined, plus a written summary of our findings and any recommendations. You will have a complete, documented picture of your system’s health.
Can I bundle the inspection with a cleaning?
Yes — and we recommend it. The Cleaning + Inspection bundle is $159, saving $19 vs. booking separately. It is the most popular option for Phoenix homeowners who want a complete service in one visit.
Solar guard installation
Why do pigeons nest under solar panels in Phoenix?
The space beneath solar panels is shaded, sheltered from wind, and warm at night — ideal nesting conditions for pigeons and other birds. Phoenix has a large and growing pigeon population, making this one of the most common solar maintenance problems we see. The only permanent solution is professional solar guard installation.
Will the guards damage my panels or void my warranty?
No. Our guards clip to the panel frame and racking system without drilling into the panels or penetrating the roof. Your panel warranty remains fully intact and your roof is not compromised.
How long does installation take?
Most residential installations are completed in 2–3 hours. Larger systems may take a half day. We assess your system during the free quote process and give you a realistic time estimate before booking.
Should I clean my panels before getting guards installed?
Yes — we strongly recommend a professional cleaning before guard installation. This ensures no debris, droppings, or nesting material is sealed underneath the guards. We can bundle the cleaning and installation in a single visit.
Booking and service
Which areas do you serve?
We serve homeowners across Greater Phoenix including Phoenix, Tempe, Scottsdale, Mesa, Chandler, Gilbert, and Queen Creek. All service is mobile — we come to your home.
How quickly can you schedule?
Most appointments are confirmed within a few hours and scheduled within 1–3 business days. We confirm your booking the same day you reach out.
What is your cancellation policy?
You can cancel or reschedule at no charge with at least 24 hours notice. See our full Cancellation Policy for details.
Still have questions?
We are happy to help. Reach out and we will get back to you the same day.