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A man sitting beside a heat pump dryer.
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How a Heat Pump Clothes Dryer Works

Ask This Old House plumbing and HVAC expert Richard Trethewey tests out a new dryer in our DIY Smarts series that uses a heat pump to dry the clothes.
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How a Heat Pump Works

This Old House plumbing and heating expert Richard Trethewey instructs Kevin O’Connor on the basic principles of how a heat pump works
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S41 E1: A Ranch Out Westerly

The new season kicks off with a ranch house in Westerly, RI. Inside, Tom and Kevin tour the house and admire the knotty pine paneling
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S18 E1: Sliding Barn Door, Dry Well

Nathan installs a barn door; Tom compares roofing materials; Mark installs a dry well
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Healthier Indoor Air | 2019 Idea House

Learn about ventilation solutions that create better indoor air quality and a healthier indoor environment.
A man standing in a yard with piece of pipe for a dry well.
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How to Build a Simple Dry Well in 16 Easy to Follow Steps

Ask This Old House expert mason Mark McCullough builds a dry well for a homeowner with unresolved drainage issues in his backyard.
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How To Protect Solar Panels from Pests

Ask This Old House home technology expert Ross Trethewey explains the culprit behind damaged solar panels and how to prevent future damage.
Two men in front of a table with roofing materials on top of it.
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A Guide to Roofing Materials and Which Ones are Right for You

Read about how different roofing materials compare to each other when it comes to cost, durability, and other factors. Our guide covers tile, slate, metal, and more.
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How To Hang a Sliding Barn Door

Ask This Old House carpenter Nathan Gilbert installs a sliding barn door in an open-concept loft apartment.
S40 E8: Jeff Sweenor gives a lesson in framing to accomodate hinges, valves, and fixtures
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How to Prep Framing Studs for Hinges, Valves and Fixtures | Generation NEXT

Clearly labeling the locations of hinges, valves, fixtures, and studs for subcontractors is an essential step to keep construction efficient.
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How To Block Behind Walls for Cabinets and Fixtures

Wall blocks provide support to cabinets and other heavy items. Read our step-by-step guide to learn how to correctly block behind walls.
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How To Install a Window | Generation NEXT

Jeff Sweenor teaches the apprentices how to install a window
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Insiders Get a First Look at the Westerly Wrap Party

Last week, Insiders attended the Westerly Wrap Party for a first look of the completed Westerly Project before this week's season premiere on PBS.
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Catching up with the TOH Season 41 Apprentices

Generation NEXT apprentices Kathryn Fulton and De’Shaun Burnett reflect on their experience working with the TOH crew. You’ll see them in Westerly Project House episodes this fall on PBS
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How Prefabricated Foundation Walls Are Poured and Installed

Kevin visits a manufacturer in Pennsylvania that makes custom insulated wall panels, the foundation wall panels arrive and are placed
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Insiders Win a VIP Preview of the 2019 Idea House

A few select winners and their guests were granted the opportunity to meet members of the This Old House cast and take an exclusive tour of the 2019 Idea House in New Canaan, CT before doors opened to the public
A kitchen island with a white countertop and black stools.

Read This Before Hiring a Kitchen Designer

Tired of your outdated kitchen design? Read on to learn how to find a kitchen designer and fund a kitchen design service.
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Photographers Reflect on 40 Years of Photography for This Old House

Former This Old House Director of Photography, Denise Sfraga, curated these highlights from TOH photographers over the years
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Cape Ann Project Heating Plan

Our plumbing and heating expert Richard Trethewey explains the general layout of the heating and cooling system in our Cape Ann project
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This Old House 40th Anniversary Special

Relive 40 years of This Old House with our anniversary special, featuring archival footage and brand new interviews!
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Richard Trethewey’s Cutaways

For decades now, Richard Trethewey has been cleaving plumbing parts in two in order to reveal their inner workings
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This Old House Hosts with the Most

Bob, Steve, and Kevin share stories and memories from their years on This Old House
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Pranks On the Set of This Old House

Tom and Charlie Silva aren’t just house-building wizards. They’re equally inventive when it comes to their sideline: pranking the TOH production assistants. Here, a few of their "all in good fun" job site setups
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The Tartans of Norm

The TOH master carpenter became a reluctant plaid ambassador when show creator Russ Morash made it Norm’s on-air signature. Below, some of his classics
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This Old Tool Belt

What do you keep in your old tool belt? Discover here what TOH's general contractor Tom Silva keeps in his tool belt.