
ServicesPanel Cleaning
McKinney Solar Panel Cleaning
Pollen, dust and bird droppings slowly lower your panels' output. Our crew washes them with soft brushes and purified water, stays harnessed on your roof the whole time, and leaves your house and yard just as they were.
Clean Glass, Safe Roof, Better Output
Your panels can only turn sunlight into power when that light makes it through the glass. Grime sits between the sun and the cells, and since panels are wired together in strings, one dirty patch can pull down the modules around it. Spring pollen and dry, windy North Texas summers build up that layer faster than most people expect.
Panel cleaning is the right call when your monitoring app shows a dip you can't explain, when you can see grime from the yard, or simply once or twice a year as routine care. It is not a fix for broken equipment. If we spot damage while we're cleaning, we'll show you and explain your options, including our solar repair service.
Most of the risk in this job is the roof itself, not the glass. That's why we treat every visit as rooftop work first: secured ladders, harnesses where the pitch calls for it, and no walking on the panels, ever.
What Comes With Each Cleaning
- Spot-free final rinse
- The last pass uses water with the minerals filtered out, so it dries clear. Hard tap water, common in this part of Texas, tends to leave a chalky residue that blocks light.
- Soft brushes, no harsh chemicals
- Our brushes are made for coated solar glass. We skip pressure washers, abrasive pads and strong detergents, since they can scratch the anti-reflective coating or push water into seals.
- Safe roof access
- Ladders are tied off and set on stable footing, and our crew uses fall protection on steeper roofs. We step around your shingles carefully and never stand or kneel on a panel.
- A visual check while we're up there
- As we clean, we look for cracked glass, loose or sagging wiring, critter nests under the array and debris packed around mounts. You get photos of anything worth your attention.
- A tidy yard when we leave
- Runoff is just water and loosened dirt, so it won't harm your plants. We pick up anything that falls, coil our hoses and leave no gear behind.
Signs Your Panels Are Due for a Cleaning
Lower numbers in your app
Compare this month to the same month last year. A steady drop on sunny days, with no error codes, often points to dirty glass.
A visible film or yellow dust
If you can see a haze or pollen layer from the driveway, the panels are dirtier up close than they look from below.
Bird droppings that stay put
Rain rinses some dust away, but droppings dry hard and keep shading the same cells day after day.
Spots from sprinklers
On lower roofs, sprinkler overspray can dry into mineral spots that rain alone won't lift.
Nearby dust or a long dry spell
A stretch of weeks without rain, a windy dust event or construction down the street can coat panels quickly.
What Shapes the Price of Panel Cleaning
Every home and array is a little different, so we price each visit on what the job really takes. Give us a few details by phone and we'll explain the cost before we schedule anything.
Size of your array
Panel count is the starting point. A small system on a garage roof is a short job, while one that covers most of a roof face keeps our crew working up there for a good part of the morning.
Stories and roof slope
Taller houses and steeper slopes call for more safety gear, more tie-off points and slower footwork. A single-story home with a gentle roof is quicker to set up and work on.
How dirty the glass is
A light dust layer comes off quickly. Months of pollen, baked-on droppings or mineral spots take extra soaking and brushing.
Access around your home
Tight side yards, fences, landscaping beds or a hard-to-reach array can add setup time.
How a Cleaning Visit Goes
- 1
A quick phone conversation
Tell us roughly how many panels you have, how many stories your home is and whether there are pets or gates we should know about. We'll set a time that works for you.
- 2
Early start, cool glass
We like to clean in the morning before the panels heat up. Spraying cool water on hot glass in a Texas afternoon can stress it, and cooler mornings are safer for the crew too.
- 3
Set up and secure
We ask that kids and pets stay inside while we work. Then we place and tie off ladders, put on fall protection and run our water line.
- 4
Rinse, brush, rinse
Each panel gets a gentle soak to loosen grime, a soft brush pass and a final purified-water rinse. We work from the top row down so dirty water doesn't run over clean glass.
- 5
Walkthrough and photos
Before we go, we share before-and-after photos and anything we noticed during our check. If something needs a closer look, we'll tell you plainly and leave the decision to you.

Common Questions About Cleaning Panels
How often do my panels need a cleaning?
For most homes in McKinney, Allen and Prosper, once every six to twelve months works well. A good time to book is after the spring pollen has passed. If you live near open fields, active construction or a spot birds love, you may need us more often.
Why not just spray them with a hose?
Panels on the ground are fine to rinse from where you stand. Getting on the roof with a hose is how injuries happen: wet glass and shingles are slick, and the panels sit close to live wiring. Leave the roof to a crew wearing fall protection and keep your feet on the ground.
Could a cleaning void my panel warranty?
Most panel makers recommend exactly what we do: soft brushes and plain purified water. Problems usually come from pressure washers and strong chemicals. If your owner's manual is nearby, we can read through its cleaning section together.
Won't the rain wash them for me?
Rain carries off some loose dust, but it tends to leave a dried film and barely touches bird droppings or sprinkler spots. In summer, long dry stretches can go weeks without any rinse at all.
Does someone have to be home while you clean?
Not always. We need to get into the yard and use an outside water spigot, and we'd like to hear about any pets or gates beforehand. If you're away, we'll call afterward and walk you through what we found.

Let's Get Your Panels Working Their Best Again
Tell us about your system and your roof, and we'll explain what the cleaning involves and what it will cost. Our crew handles the climbing so you don't have to.