Home upgrades (IMAGE) DOE/Pacific Northwest National Laboratory Caption Homeowners have a slew of options for upgrading their home to better handle heatwaves. They can plant trees or bushes near windows, add window shades or awnings, or install solar panels to capture more energy to lower air conditioning costs. Credit Sara Levine, Pacific Northwest National Laboratory Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.