Residential Solar Panel Cleaning in Knoxville, TN
Knox Exterior Care Co.
Keeps Your Home’s Solar Panels Producing At Their Best.
Dirty solar panels don't just look bad — they quietly cost your family money every month. Dust, pollen, bird droppings, and general grime build up on panel surfaces over time and directly reduce their ability to absorb sunlight. Studies consistently show that soiled panels can lose anywhere from 15–25% of their energy output depending on the level of buildup. Our residential solar panel cleaning service restores that output, protects your investment, and keeps your home system running at peak efficiency year‑round.
Pricing & Plans
Enjoy straightforward pricing and clear scopes — two things every homeowner needs when you’re trying to keep your property maintained without surprises.
Priced by the Panel.
call for a custom quote!
Many customers choose to bundle this into a Total care exterior plan!
Customers save an average of 20% with bundled services!
We price residential solar panel cleaning based on system size (number of panels), roof pitch and access, panel type, and the level of soiling present. Standard rooftop arrays, ground‑mounted systems, and pergola or carport‑mounted panels are all priced a bit differently depending on ease of access and safety requirements.
There are several variables that may impact pricing, including roof height and slope, panel coating sensitivity, hard‑water mineral deposits, heavy bird dropping accumulation, and whether this is a one‑time clean or part of a scheduled maintenance program. We'll assess your system and provide a clear, written quote before any work begins, so you always know what to expect.
Knoxville’s #1 Exterior Maintenance Company.
Experience why so many trust KECC with their property!
Why Knoxville Homeowners Choose Knox Exterior Care Co. For Solar Panel Cleaning
We're a locally owned & operated exterior maintenance company, serving the greater Knoxville area — and we built our business around one standard: showing up, doing the work right, and making your property look like it's cared for.
Local & Accountable
We're based right here in Knoxville, TN — not a franchise, not a call center. When you reach out, you're talking to the people actually doing the work. We stand behind every job.
Simple & Predictable
One plan, one invoice, no surprises. You always know what's included, what it costs, and when we're coming. We believe maintenance should be something you don't have to think about.
Trusted On Your Property
We understand that inviting someone onto your property takes trust. We're a licensed, insured, local team — and we treat every home with the same care and respect we'd want shown to our own.
Quality You Can See
Freshly cleaned solar panels have a certain shimmer about them - you’ll notice the difference, even standing down below. Enjoy better looking exteriors, and cheaper energy bills!
Do you want all of your exterior services handled by one, professional team?
Check Out Our Residential Total Care Exterior Plans!
Fully Licensed & Insured
We are proud to boast a high review ranking on Google. We go the extra mile to make sure our clients are happy and well taken care of!
5 Star track record
Every job is backed by full liability insurance and proper licensing. Your home is protected, and you'll never have to wonder if the team on your property is legitimate and covered.
Solar Panel Cleaning FAQ’s
We get these questions all the time from Knoxville homeowners considering our solar panel cleaning service.
-
Most Knoxville homeowners get the best results cleaning their solar panels once or twice per year, depending on tree cover, pollen, and nearby roads. If your system is under heavy pollen, dust, or bird activity, or you can see a haze on the glass, cleaning every 6 months is usually ideal. A good rule of thumb is to schedule a cleaning any time you notice a drop in production on your monitoring app that can’t be explained by weather.
-
Done correctly, cleaning will not damage your panels or void the manufacturer’s warranty. Problems happen when people use high‑pressure washers, harsh chemicals, or abrasive brushes that scratch the glass or damage seals. We use soft brushes and purified water, follow manufacturer‑recommended methods, and avoid high pressure and harsh detergents so your warranty protection stays intact.
-
Dirty residential panels can lose a noticeable amount of output, especially with heavy pollen, dust, or bird droppings. Many homeowners see production improve by 10–20% after a thorough cleaning, depending on how dirty the system was to begin with. Over time, that extra production adds up to real savings on your power bill and helps your system hit the numbers you were promised.
A Message From The Owner…
Thank you for taking the time to consider Knox Exterior Care Co. for your property — it means a lot to us! There are plenty of options in Knoxville, and we don’t take your attention or trust lightly.
I started this company to serve people well, do excellent work, and build long-term relationships with the owners, managers, and customers we work with. I’m grateful you’re here, and we are excited to connect and see how our team can help!
- Nicholas G. Dunn
Founder/Owner