This Old House Radio Hour

What’s the right temperature for your AC? HVAC expert Ty Branaman explains why the number on your thermostat matters less than humidity, airflow, and radiant heat when it comes to actually feeling comfortable at home. Welding instructor LLashanna Ingraham Lintamo shares advice for young women interested in careers in the trades. Queer Eye’s Tan France takes us inside the Salt Lake City Tudor he painstakingly designed as a celebration of his British and South Asian roots. Finally, Contractor Zack Dettmore reveals the red flags to look for before buying a flipped house.

On this episode you’ll learn:
* How to create a barrier-free shower that’s easier to clean and more accessible and why waterproofing the entire bathroom floor is essential.
* Why a freshly painted ceiling can look patchy and blotchy, and how proper priming can help you get an even finish.
* What to consider before removing your home’s siding to add exterior insulation, including thermal bridging, moisture, and how much insulation you actually need.

All of this, plus we’re answering your home improvement questions at 877-864-7460.

Can AI actually run your home better than you can? AI expert Tiffany Chazey explains how it can manage everything from lights to maintenance reminders and where humans should stay in control. Silver Linings Playbook author Matthew Quick reflects on the stunning Outer Banks home that became a symbol of both his success and some of the hardest years of his life. In Secret History of Your Home, we uncover the surprisingly scandalous history of the dinner fork, and YouTuber and engineer Jake Ward shows how a 3D printer can make custom replacement parts and clever fixes for everyday problems around the house.

All of this, plus we’re answering your home improvement questions at (877) 864-7460.

Want fewer mosquitoes in your backyard without resorting to chemical sprays? Botanist Joseph Reynolds explains how to use non-toxic methods to dramatically reduce their numbers. CNN anchor Kasie Hunt takes us inside the landmark 1949 mid-century modern house that gave her the sense of home and permanence she'd always wanted. In The Secret History of Your Home, we reveal how the Murphy bed went from a clever solution to a romantic problem to a Prohibition-era accomplice and modern luxury. And find out when a leaking deck is too complicated for a DIY repair, and why waterproofing may be one project worth leaving to a pro.

On this episode you’ll learn:
* Why painting tile flooring usually isn’t a great long-term solution and which flooring options can create a durable, uniform look throughout a home.
* How to stop mice from nesting inside an outdoor mini-split unit and repair the insulation they’ve chewed through.
* When a growing crack across your ceiling could indicate structural movement—and when it’s time to have a professional investigate.
* Why walls can appear to “cry” or sweat and how excess indoor moisture and poor ventilation may be causing it.

All of this, plus we’re answering your home improvement questions at 877-864-7460.

Gas or charcoal…which really makes for a better barbecue? James Beard Award-winning chef J. Kenji López-Alt settles the debate and shares the grilling techniques that can make a difference no matter which fuel you choose. Abbott Elementary showrunner Justin Halpern returns to the San Diego house where he grew up and recalls how moving back home after a breakup helped change the course of his life. Plus, we reveal the cutthroat (and sometimes deadly) battle that gave us electric light, and drywall expert Lydia Crowder shares the pro techniques that can make patches virtually disappear.

On this episode you’ll learn:
* What to prioritize as a 50-year-old home starts needing major maintenance, and how to tell when an aging roof really needs replacement.
* How to build a long-lasting brick patio, from preparing the gravel base to getting the drainage and slope right.
* How to save money on a full bathroom remodel by tackling some of the work yourself and what plumbing is better left to a pro.
* Whether upgrading the electrical service in a century-old home means you also need to replace old knob-and-tube wiring at the same time.

All of this, plus we’re answering your home improvement questions at (877) 864-7460.

Should you replace your traditional water heater with a tankless model? Plumbing expert Ryan Carpenter breaks down the pros, cons, and hidden costs of both systems, including what homeowners should know before making the switch. Jonathan Knight of New Kids on the Block and Farmhouse Fixer shares memories of growing up in a bustling Victorian home that sparked his lifelong passion for restoring old houses. Then, In The Secret History of Your Home, we take a look at the long, messy history of the toilet. Finally, Landscape contractor Jenn Nawada explains why "living fences" are becoming one of the hottest trends in backyard design.

On this episode you'll learn:
* How to know whether a damaged standing seam metal roof needs a simple repair or a full replacement.
* Whether a solar chimney can actually cool your home and why it works better in some climates than others.
* What might be causing squeaky parquet floors and a simple trick that could quiet them down.
* Why bathroom ceiling paint keeps bubbling and peeling, even after you've repainted it.

All of this, plus we’re answering your home improvement questions at (877) 864-7460.

Is the traditional American lawn doing more harm than good? Botanist Joey Santore makes the case for replacing thirsty turf with native plants that support wildlife and require far less maintenance. Author Nathaniel Rich reflects on the secluded Maine artist's studio that transformed the way he thinks about creativity. In The Secret History of Your Home, we look at an item in your bathroom that’s been around for 3,500 years. Finally, contractor Zack Dettmore explains what homeowners should do when a renovation goes wrong and how to protect themselves before small problems become expensive ones.

On this episode you'll learn:
* What might be causing mysterious circular stains to appear on your ceiling, even when your roof isn't leaking.
* How to stop water from seeping into your basement around a sump pump and radon system.
* What it takes to convert a basement half bath into a full bathroom with a shower.
* The best way to reinstall a rare vintage ceramic fireplace tile without damaging it.

All of this, plus we’re answering your home improvement questions at (877) 864-7460.

Is there really a right way to load a dishwasher? Technology expert Alec Watson explains the science behind cleaner dishes, why you should stop pre-rinsing, and how a few simple changes can improve your dishwasher's performance. Pulitzer Prize-winning author Colson Whitehead reflects on the modest Sag Harbor cottage that has been at the heart of his family's summers for generations. In The Secret History of Your Home, we unveil the deadly story behind the modern-day refrigerator. Lastly, horticulturist Josh Davis reveals how grafting lets you grow multiple varieties of fruit on a single tree.

On this episode you'll learn:
* How to prioritize home renovation projects when your budget won't cover everything at once.
* What you can do to repair peeling thermofoil cabinets before resorting to a full kitchen replacement.
* Whether it's possible to uncover and restore hardwood floors hidden beneath old flooring.
* How to plan lighting and electrical circuits during a whole-home rewiring project with modern LED fixtures.

All of this, plus we’re answering your home improvement questions at (877) 864-7460.

The debate over front-load versus top-load washing machines has homeowners fiercely divided, but laundry expert Zach Pozniak says the science points to one clear winner. Then, bestselling author Mary H. K. Choi reflects on moving from a tiny Hong Kong apartment to an enormous Texas house that never quite felt like home. Plus, This Old House’s Zack Dettmore pulls back the curtain on why so many renovation projects go sideways and how homeowners can set better expectations before construction begins.

In This Episode You'll Learn:
* How to choose between a designer and a design-build firm for your next renovation.
* The best way to clean, protect, and maintain soapstone countertops without damaging them.
* Whether painting a concrete floor is a smart alternative to replacing old carpet.
* Why one room in your home may never feel comfortable and what can be done to fix it.

All of this, plus we’re answering your home improvement questions at (877) 864-7460.

Getting locked out of your house is stressful enough, but choosing the wrong locksmith could turn it into a $1,000-dollar mistake. Locksmith Phil Mortillaro reveals the biggest red flags of a locksmith scam and how to make sure you're hiring someone you can trust. Then, filmmaker Adam Rehmeier looks back on the ramshackle Hollywood Hills cabin where he chased his dream of becoming a director. Plus, flooring expert Aaron Johnson explains how to choose the right carpet by focusing on what really matters beyond color and price.

In This Episode You'll Learn:
* Whether old jack posts under a historic home should be adjusted or replaced
* How to repair cracked concrete pool coping and when it's time for a full replacement
* Whether you can replace just the rotted parts of a deck railing or need an entirely new system
* How to repair and seal hairline cracks in a concrete basement floor before painting

All of this, plus we’re answering your home improvement questions at (877) 864-7460.

Can the color of your walls actually affect your mood? Therapist-turned-designer Anita Yokota explains the science behind color and how to use it to create calmer, more productive spaces. Comedian Tom Papa takes us inside the beloved Jersey Shore beach house that became the heart of his family's summers. Former Red Sox groundskeeper David Miller shares the secrets behind Fenway Park's iconic grass patterns and how to recreate them at home.

On this episode you’ll learn:
* How to build a strong foundation for a decorative stone garden wall.
* What might be causing certain rooms and walls to feel much hotter or colder than the rest of your house.
* The best way to create and maintain a level bocce court.
* How to replace a drain in a pedestal sink when access is tight and frustrating.

All of this, plus we’re answering your home improvement questions at (877) 864-7460.