January 25, 2023 After seeing the temperature change in her office following the installation of solar control films, administrative assistant Soledad Pizarro decided to install them on two large windows in her living room. “From 12:30 to 5 p.m., the sun was relentless. We had to retreat to the kitchen,” she recalls. She spent $200,000. Now, she rarely uses the air conditioner and can spend…