Watt Plaza


The Watt Companies is a private, fully-integrated real estate operating and investment company involved in commercial development, homebuilding, asset management and the realization of capital investments for its shareholders, investors, partners and customers across the United States.

In its 60-year history, Watt Companies has developed over eight million square feet of industrial and office space and built more than 50 shopping centers.

Watt Plaza is a twin 23-story office tower complex that encompasses 900,000 square feet in the heart of Century City. The plaza was awarded Gold LEED Existing Buildings Operations and Maintenance (EB O&M) certification by the U.S. Green Building Council.

Part of the LEED points need to achieve this certification came from the installation of 3M Prestige 40 window film, which was applied to every window in the two towers.

02. Client

Watt Plaza

03. What We Did

Window Film Retrofit

Case Study: Watt Plaza


Replacing all of the windows was cost prohibitive and would send the existing panes to a landfill, but the glass allowed too much heat load to accumulate in the buildings. Demand on the HVAC system was excessive, and a solution was needed to reduce the cooling demand and lower energy costs.

“We have made a significant effort to transform Watt Plaza into a shining example of environmental innovation,” said Nadine Watt, President of Watt Plaza. Part of that innovation starts with transforming the single pane windows into high-performance glass.

Project Details

1875 Century Park E, Los Angeles, CA 90067

Film Type Installed:
3M Prestige Window Film

Windows Covered:

Installation Time:
Two months, with two crews working nights and weekends

Payback Period:
3.75 years

kWh Savings:
804,000 annually


3M Window Film Installer:
Campbell Window Film

Case Study: Watt Plaza


Keeping a crystal clear view out both day and night was essential, and the exterior aesthetic needed to remain the same. Brad Campbell from Campbell Window Film was asked to help with a solution.

“Reflective window film products were sampled but caused problems with seeing out clearly and changed the look of the towers from outside,” Campbell said. “Our 3M Prestige 40 was chosen because of its high heat rejecting performance properties as well as its non-reflective appearance, which allows easy viewing out and maintained the original look of the towers.”

Installation was completed at night and on weekends to ensure the buildings’ tenants were not disturbed. The whole project was completed in just two months, and the tenants noticed a difference immediately. The offices remain cool throughout the day and the lowered demand on the HVAC system dramatically reduced energy consumption.


Windows Covered


Annual kWh Savings



Campbell Window Film

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