Solar Panel Cleaning
AUCKLAND
The HWNZ Difference in Protecting and Enhancing Solar Investment
Solar panels are a long-term investment in sustainability and savings, but performance can drop by 15–25% without proper cleaning. At HWNZ, we offer specialist solar panel cleaning services tailored for Auckland’s most prestigious properties, ensuring maximum energy efficiency without compromising appearance or system integrity.
Our team uses soft, purified water systems and non-abrasive methods to remove dust, salt, pollen, and organic residue, delivering streak-free, spotless panels that perform better and look immaculate.
Discreet, High-End Solar Cleaning for Prestige Properties
We operate with precision, care, and full respect for your privacy. Whether your panels are mounted on heritage roofing, architectural builds, or concealed energy systems, we clean quietly and efficiently no harsh detergents, mess, or disruption.
What’s Included?
- Health and safety compliant washing
- Height trained professional team
- Free on-site inspection
- Pure water for a spot free finish
HWNZ offer full service exterior cleaning. So, if you require more than just a house wash, we can discuss other areas such as roofs, gutters and surrounding property at your request.
See The TEAM
Safe Cleaning for Glass, Frames & Mountings
Solar panels are delicate, high-tech surfaces. Our method avoids water blasting, chemicals, or harsh tools. Instead, we use deionised pure water and specialist brushes designed to lift grime and preserve panel coating, extending the lifespan of your system and protecting roofline aesthetics.
Auckland’s Most Trusted
- Over 280 Five Star Reviews
With hundreds of 5-star reviews, our reputation is built on superior results and white glove, tailored service.
Our Happy Clients
Energy Efficiency Meets Curb Appeal
Pollution, tree sap, lichen, and dust buildup can reduce solar output and spoil the appearance of your property. Our service not only restores energy efficiency but also ensures your panels match the premium look of the rest of your house.
Trusted to Wash
New Zealand’s Best
Why is HWNZ is the preferred option for exclusive property in NZ? We have team leaders on every job site. We pride ourself in service, safety and exceptionally clean results. We are officially the highest rated exterior operator in Auckland with over 290 5 Star Google Reviews.
We send before and after photos immediately upon completion to confirm the job was done as quoted.
Come Home to
QUALITY
For more than 7 years, HWNZ has earned a name for quality and customer service. The property owners we serve rely on us for detail-oriented, consistent cleaning services, every single time we wash their homes and businesses.
Here to Serve
With the right team and the right experience, our team is fully equiped to serve you with the best service and the best results.
The Right Equipment
The Right Team
- Hybrid fleet
- Fully insured
- Pure water system for a spot-free finish
- Fully trained, specialist team
- Soft washing equipment
- Health & Safety Compliant
Call us now to discuss your requirements and receive a no obligation, free quote.
The Right Tools
for the Job
Exterior cleaning requires not only care and attention to detail, but the right tools for each specific washing task.
HWNZ invest in the right equipment to run any exterior job efficiently and safely. Our fleet of hybrid vehicles keep our carbon footprint as low as possible and the correct size machines power through work safely and thoroughly.
Our pure water systems leave you with a better, spot free result on any windows that need cleaning and our extension equipment get to all those hard to reach spots effectively.
We invest in the right equipment so you don’t have to worry about the pain of maintenance and equipment that doesn’t go to good use. Call the HWNZ team for a free Quote
Our Equipment
Owner Operated, Discreet Service with a Quality Guarantee
When you choose House Wash New Zealand, you work directly with the owner. We ensure each house is treated with care, integrity, and a commitment to satisfaction, guaranteed.
FAQs
Professional cleaning ensures the optimal performance of your solar panels by removing dirt, dust, and other contaminants that can reduce efficiency. Clean panels can generate more energy and extend the lifespan of your solar system.
While light cleaning with water is possible, professional services use specialised equipment and solutions to effectively remove stubborn dirt and grime, ensuring a thorough cleaning without causing damage to the panels.
Yes, even a thin layer of dirt or dust can reduce the efficiency of solar panels. Regular cleaning ensures maximum sunlight absorption and energy production, helping you maximise your solar investment.
Absolutely. Professional solar panel cleaning uses gentle, non-abrasive methods and eco-friendly solutions that are safe for your panels. Our technicians are trained to clean without causing any damage to the glass, frames, or wiring.
Our cleaning methods are designed to tackle various stains, including bird droppings. Prompt removal of stains is essential to prevent potential damage and maintain the efficiency of your solar panels.
In most cases, there’s no need to turn off your solar system during cleaning. Our methods are designed to be safe for both the panels and the electrical components. However, if specific circumstances require shutdown, we’ll provide guidance accordingly.
The duration depends on factors like the size of your solar array and the extent of dirt. Most jobs can be completed within a few hours, allowing you to resume energy production promptly.