<p>With even colder days ahead, Jody Gardner from Climate Control Kansas City shares how you can protect your pipes from bursting, and the technology you can use to make sure a burst pipe does not flood your home. Chef Roy Choi walks us through the first house his immigrant family owned in Orange County and how a bustling, fermentation-heavy kitchen shaped his senses, his privacy, and ultimately his path as a chef. Finally, sleep expert Dr. Michael Bruce shares simple bedroom upgrades that improve rest by working with your body’s five senses.<br><br>In this episode you’ll learn:<br><br>*Whether running your central HVAC fan can really replace a bathroom exhaust fan, and why moisture control still matters for mold prevention. (8:31)<br>*Why a poorly sloped shower floor can’t be fixed from the surface, plus smarter options for dealing with staining and discolored grout. (14:13)<br>*What it means when an outlet still shows power after the breaker is off, and how to safely verify electrical work with the right testing tools. (20:28)<br>*How to insulate a drafty sunroom to make it more comfortable year-round. (26:20)<br><br>All of this, plus we’re answering your home improvement questions at 877-This Old House Radio Hour! — That’s (877) 864-7460.</p>