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How to Heat a Garage Workshop

Ask This Old House plumbing and heating expert Richard Trethewey travels to Akron, Ohio to install a garage heater.

How to Vent a Clothes Dryer

Ask This Old House plumbing and heating expert Richard Trethewey travels to Cleveland to reroute a lengthy dryer vent.

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How the Building Trades were Impacted During COVID-19

The This Old House team shares how the pandemic affected each of their trades. They talk about the changes in their industries and the challenges they all faced.

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How to Install a Fire Sprinkler System

In this instructional video, This Old House plumbing and heating contractor Richard Trethewey describes how an in-home sprinkler system works

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How to Prevent Flooding in an Upstairs Laundry Room

Ask This Old House plumbing and heating expert Richard Trethewey explains how and why to install an automatic shutoff valve for the washing machine supply hoses.

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How to Hook Up Washing Machine Plumbing

This Old House plumbing and heating expert Richard Trethewey re-plumbs a washing machine.

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Installing a Dishwasher in an Old Kitchen

Ask This Old House plumbing and heating expert Richard Trethewey and carpenter Nathan Gilbert team up to help a homeowner retrofit a new dishwasher into an old kitchen.

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Home Inspection Nightmares | Tree-Wrapped Chimney

The Ask This Old House team share more Home Inspection Nightmares.

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How to Replace a Kitchen Sink

Ask This Old House Plumbing and Heating Expert Richard Trethewey explains how to replace a kitchen sink and faucet from start to finish.

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How to Install Room-By-Room Zoning in an HVAC System

Ask This Old House plumbing expert Richard Trethewey learns about an HVAC system that allows each room to be zoned out using smartphone technology.