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3M™ Window Films for Building Managers and Energy Auditors

Manage your building's energy systems better with 3M™ Window Films, which help reduce energy costs while providing beautiful views inside and out.

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Do you own or manage a building? Are you an energy auditor?

  • If you own or manage a building, you know that reducing energy bill can drive greater tenant retention and translate to healthier bottom line. According to the US Department of Energy and a recent study published by CONSOL Energy, 3M Window Films can reduce energy usage up to 19 kwh per sq ft of windows. With typical ROI's of less than three years, building owners and managers have discovered the cost savings associated with 3M Window Films. In fact, with utility rebates, authorised 3M Window Film dealers have completed projects yielding payback in as little as one year.


Questions? We're here to help.

Get in touch with our Silver, Gold, and Platinum 3M™ Select Installers who are ready to help you find your window film solutions, work on the installations, and discuss installation cost and logistics. You can also speak to our 3M Technical Support for other concerns.


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3M Window Film for Energy Savings Videos


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About 3M™ Window Film

Security, solar and decorative window films can change your view of what window films can do. Solar and tinted window films save valuable energy and increase worker comfort. Security and safety window films provide shatter-resistant protection in severe weather and bomb blasts. Decorative window films add privacy and style within your building. Now you can provide sun control, UV protection, window tinting and privacy while increasing energy savings. 3M™ Window Films help improve tenant comfort, reduce hot spots and increase window safety in buildings.

How Window Films Save Energy

Window film is designed to save energy in much the same manner as a window. In fact, window films are certified by the NFRC (National Fenestration Rating Council) and in Australia, selected films are commercial WERS For Films rated, the same organisations that certifies the performance values of a window. Windows and window films have 3 key specifications that correlate to the amount of energy that a building uses, Visible Light Transmission (VLT), Solar Heat Gain Coefficient (SHGC) and U value. 3M™ Window Films are designed to upgrade existing windows at a fraction of the cost of replacing the windows, by helping to reduce the SHGC & U value.


Buildings use 40% of the world’s energy and emit 40% of the world’s carbon emissions. The Australian NABERS Energy scheme helps influence how buildings can positively contribute to the environment. 3M Window Films retro fitted to these buildings can help improve NABERS Energy ratings and will deliver a ‘Green’ premium. Upgrading existing buildings, making them cheaper to run while attracting higher rents and valuation is also an efficient way to prolong the life of these assets. 3M Window films can do this as well as increasing tenant Comfort levels.


The updated National Construction Code BCA Section J Energy requirements along with Mandatory Disclosure will also help drive the use of 3M Window Films as a viable cost-effective energy efficiency upgrade.


The SHGC measures the amount of solar radiation that passes through the window. An SHGC of 1.0 would suggest 100% of the solar radiation comes into the building, and an SHGC of 0.25 would suggest that 25% of the solar radiation comes into the building. Nearly half of all the energy that comes from the sun is visible light, so while lower SHGC’s may reduce the amount of solar energy entering the building, there is a trade-off between the darkness of the window and the SHGC. It is important to note that Low E windows are often thought of as high performance, but by definition, a Low E window is intended to reduce the U value. If you have a Low E window, this does not necessarily mean you have a low SHGC window.


The U value is the measure of the rate of heat transfer through a window due to conduction or convection. Reducing the U value is often completed by going from a single pane to a double pane window or by adding a Low E coating. The U value helps save energy when there is a temperature difference between the inside and the outside of the building. In general, reducing the U value is more beneficial in cold climates.


VLT is the amount of visible light that transmits through a window, so the lower the number the darker the window. In many commercial buildings today, lights are turned on at the beginning of the work day, and off at the end of the work day, regardless of how much natural light penetrates the window. Therefore, VLT is not often considered when determining energy savings potential of a window or window film.


Contact 3M and schedule an audit for your building today.

Calculating Energy Savings

For larger more sophisticated projects, it is recommended to leverage hourly analysis energy simulation software. This is the typical methodology recommended for any building envelope upgrade, as the modifications to the building envelope affect many building systems. In addition, simple Excel based calculations typically do not take into account how the window performance changes as the angle of the sun changes. To do these calculations, you have two options. 3M will work with you to provide an hourly analysis model free of charge, or 3M can help enter the performance of our films into your preferred energy simulation system.


About 3M’s calculations:
3M utilises the US DOE recommended EnergyPlus™ algorithm to calculate potential energy savings. The output report is generated using a Graphical User Interface (GUI) to EnergyPlus called EFilm, but all calculations are completed by the EnergyPlus Algorithm. We recommend EnergyPlus as it can be audited by 3rd parties, including utility companies and rebate auditing firms.


Let 3M know your façade Glass Specification and using the LBL Window software we can model the updated glass Solar performance with any 3M Window Film applied. In addition to this 3M Australia with our 3M Select installer partners can run a BTU Meter Solar Film trial on your facility. A report highlighting the actual Total Solar Energy Reduction (TSER) is a powerful way to get capital works approved, all the while improving tenant comfort levels.


3M Window Films allows you to customise glass for elegance and privacy or to make bold architectural statements. We can also redirect sunlight deeper into rooms for greater tenant satisfaction and added energy savings. We can also protect people and property from natural disasters, crimes, bomb blasts and even damaging ultraviolet rays.


Contact 3M and schedule an audit for your building today.

Utility Rebates

In many countries, Utility companies have been incentivising 3M Window Films for years, either through prescriptive or performance-based incentives. In some cases, utilities have paid as much as 40% of the project costs. While unfortunately this is not the case for Australia, there are options for Sustainability Funds to help finance building upgrades. 3M has a sales team in place that will assist you in an energy audit for your building, navigate the rebate process and work closely with you along the way.


Contact 3M and schedule an audit for your building today.

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