Commercial Window Cleaning

CrestClean’s Pure Water Window Cleaning provides cost-effective high-rise window cleaning for buildings up to 4 storeys high.

Cost-effective, chemical-free professional window cleaning

Our specialised professional window cleaning system converts tap water into ‘pure water’ by passing it through filters and resins which remove any minerals that can leave deposits or stains on windows.

Along with delivering great results, our Pure Water Window Cleaning service uses no chemicals, meeting strict environmental standards as verified by our Toitū Enviromark Diamond certification. Health and safety is simplified because ladders and platforms are not required to access higher windows, and the price is less because the extra equipment is not needed.

Our window cleaning services include:

Pure water window cleaning teams are ready in your region.
Request an obligation-free cleaning quote today!

The benefits of CrestClean’s Pure Water Window Cleaning

Chemical-free pure water window cleaning

Chemical-free window cleaning services

No chemicals are used with Pure Water Window Cleaning. The mineral deposits in tap water are filtered, allowing the water to clean better at an ionic level. The results are clearly cleaner windows without spots or streaks, without harming the environment.

Pure Water Window Cleaning - 4 storey

Clean up to 4 storeys high without platforms

With the latest carbon fibre extendable poles we can clean high windows without using platform lifts or ladders. No power is required – only a hose tap.

Pure Water Window Cleaning Health & Safety

Health and Safety compliant

Risks and hazards are dramatically reduced when compared with conventional high-rise window cleaning services. Our operators work from the ground only. We also prepare site-specific safety plans including pedestrian and traffic management.

Setting the standard in training, safety, and environmental responsibility

Professionally trained by Master Cleaners Training Institute

Master CleanersOur personnel receive professional training and regular upskilling to ensure our customers receive a quality cleaning service.


SafeClean® – Health, Safety and Environmental Management System

We deploy Safe Systems of Work to minimise the risks of our cleaning services at your premises.


Toitū Enviromark Diamond certification

Toitū Enviromark graphicCrestClean’s cleaning services meet strict environmental standards as verified by our Toitū Enviromark Diamond certification.

Setting standards quality assessor

Commercial window cleaning that’s safer, streak-free and spot-free

We bring more than just a squeaky clean attitude to our window and glass cleaning services – we bring innovation.

Our Pure Water Window Cleaning services use high-tech water filtration to remove all solids, leaving only pure water to clean your windows… without spotting or streaking. With a carbon fibre pole, one operator can quickly and efficiently clean high windows, window frames and glass, all while meeting strict Health and Safety standards. CrestClean’s Pure Water Window Cleaning provides cost-effective, chemical-free window cleaning solutions for buildings up to 4 storeys high.

Pure Water means Chemical-Free cleaning

CrestClean’s Pure Water Window Cleaning uses no chemicals, making it both cost-effective and environmentally responsible. The purer the water, the more effective it becomes, acting as a natural detergent that loosens dirt from glass at an ionic level. Free of impurities, this pure water eliminates the need for detergents or chemicals and rinses cleaner, leaving windows streak-free and spot-free.

Safer, Faster, Easier

Using the latest extendable carbon fibre poles, we can clean windows up to 4 storeys high without ladders or lifting platforms, making Pure Water Window Cleaning a safer alternative to other commercial window cleaning options. There is no risk of property damage from ladders and heavy equipment, and our specialised water purification machines do not require power, only a hose tap.

Health and Safety Compliant

Compared with conventional building and office window cleaning, risks and hazards are dramatically reduced because our operators work from the ground using carbon fibre poles. We don’t work from heights or use ladders or platforms. All activities are conducted under SafeClean®, our Health, Safety and Environmental Management Systems, which are specifically designed to minimise the risk of our work on your premises.

Personnel trained by Master Cleaners Training Institute

All CrestClean Pure Water Window Cleaning technicians receive specialised training in the safe operation of the system. This is in addition to the professional industry training they undergo, including specific health and safety training in safe working procedures. See mastercleaners.org.nz

CrestClean in a class of its own when it comes to window cleaning

Ormiston - Luisa Fonoia
Ormiston Junior College in Auckland is light, bright, modern and… has a lot of windows! Read story >

“And the fact that it is chemical free is really important for the health and safety of students. There are so many allergies out there and people with sensitivities to different products, so it’s reassurring to know that the only product being used is water.”

Facilities Manager
East Tamaki, Auckland

Window Cleaning FAQs

Q. How does your window washing service work?

Our system uses purified water, filtered to remove minerals and impurities, which is delivered through extendable poles to clean windows up to four storeys high, leaving a streak-free, spot-free finish without the use of chemicals.

Q. Is pure water window washing safe for the environment?

Yes, our process is completely chemical-free and licensed by Environmental Choice NZ, making it an environmentally responsible option for your workplace.

Q. We’re concerned with health and safety around our site… how does your service address this?

We prepare site-specific safety plans, including pedestrian and traffic management, and use signage and barriers to keep everyone safe while minimising disruption to your workplace. Also, our operators work from the ground using carbon fibre poles, eliminating the need for ladders or platforms, which significantly reduces risks and ensures compliance with New Zealand health and safety standards.

Q. Can you clean high or hard-to-reach windows?

Absolutely. We can clean windows up to four storeys high without the need for scaffolding or lifts, making the process efficient and cost-effective.

Q. Will the windows be left streak-free and spotless?

Yes, the pure water system removes all mineral deposits, so windows dry naturally without spots or streaks, delivering a superior result every time.

Pure water window cleaning teams are ready in your region.
Request your window cleaning appraisal and quote via our request form >

Crest Commercial Cleaning Ltd

P O Box 740
Dunedin 9054
New Zealand
Telephone: +64-3-477 1126

Email: service@crestclean.co.nz

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For more information and all enquiries: Call
0800 273 780

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