Photo: Delpixel via Shutterstock We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Home Advice You Can Trust Tips, tricks & ideas for a better home and yard, delivered to your inbox daily. As the season shifts from spring to summer, it’s time to start preparing for the strong sun and scorching heat. Instead of waiting for the temperatures to skyrocket, proactive homeowners are racing to complete smart, fast exterior upgrades that mitigate heat gain, such as incorporating heat-resistant building materials and energy-efficient landscaping.   Many make the mistake of relying solely on artificial cooling indoors, lowering thermostat settings instead of addressing the root causes of heat gain, says Drew Poskon, chief operating officer at Southern Home Services in Maitland, Florida.…