Are Dirty Solar Panels Costing You Money?
With electricity rates around $0.22 per kWh in New Jersey, even small efficiency losses can add up quickly. As dirt and debris accumulate, your system produces less energy—resulting in real, measurable financial loss over time.
-
Reduced energy production and system efficiency
​
-
Uneven panel performance across your array
​
-
Long-term buildup that becomes harder to remove
​
-
Lost savings on your energy investment
With electricity rates around $0.22 per kWh in New Jersey, even small efficiency losses can add up quickly.  Most homeowners lose: $300–$700+ per year in reduced solar output due to dirty panels.
​
Professional cleaning helps restore performance and maximize your system’s return.
Our Safe, Spot Free Solar Panel Cleaning Process
At Top Down Exterior Cleaning, we use a specialized process designed specifically for solar panels—ensuring a thorough clean without damaging your system.
​
-
Deionized (DI) water for a spotless finish
-
Soft brush agitation to safely remove buildup
-
No chemicals or residue
-
Low-pressure cleaning to protect seals and components
Your panels are left clean, efficient, and operating closer to peak performance.
Why Choose Us for Solar Panel Cleaning Central NJ?
-
Fully insured for residential exterior cleaning
​
-
Local, owner-operated service
​
-
Specialized equipment for solar systems
​
-
Fast quotes and flexible scheduling
​
-
Focused on long-term performance—not just appearance
Backed by Roof Life Extension LLC, an established local home service company.
Serving Central New Jersey
We provide solar panel cleaning throughout Central NJ, including:
Princeton - Hillsborough - Montgomery - Rocky Hill - Skillman - Somerville - Bridgewater - Flemington… and surrounding areas.
Frequently Asked Questions
How often should solar panels be cleaned?
Most homes in Central NJ benefit from cleaning every 6–12 months depending on conditions.
Do you use chemicals?
No. We use purified water for a safe, residue-free clean.
Will cleaning damage my panels?
No—our soft brush and DI water system is specifically designed for solar panels.
Will I notice a difference?
In many cases, yes—especially if buildup has accumulated over time.