Episode Details

South-facing bedroom turning into a solar oven? Modern spectrally selective window films can block up to 97% of infrared heat while staying almost completely clear — no dark tint required. We break down the physics of solar heat gain, the SHGC numbers that matter, and how new low-tack silicone adhesives make removable films viable for renters. Plus a full ranking of cooling options from exterior shades to interior blinds.