Preparing Your Plumbing System for Winter in Texas

Writen by
Guy's Team
April 30, 2024
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Winter in Texas can be unpredictable, with sudden temperature drops posing a threat to your plumbing system. As homeowners in Texas preparing for the cooler months, it’s essential to ensure that your plumbing is ready to withstand the cold. This comprehensive guide will walk you through ten key steps to winterize your plumbing, keeping it safe and functional throughout the season.

Understanding Your Plumbing System

Before diving into winter preparations, it’s crucial to understand the basics of your home’s plumbing system. This system comprises two main parts: the water supply system, which brings fresh water into your home, and the drainage system, which removes wastewater. Pipes, often hidden in walls, under floors, or in the foundation, are susceptible to freezing temperatures. Knowing where these pipes are located is the first step in protecting them.

Insulating Pipes

Insulation is your first line of defense against freezing pipes. Insulating pipes, especially those in unheated areas like attics, basements, and garages, can prevent them from freezing and bursting. Foam pipe insulation is inexpensive and easy to install. Pay special attention to pipes on exterior walls or in exposed locations.

Sealing Leaks and Drafts

Cold air can enter your home through gaps and leaks, increasing the risk of frozen pipes. Inspect your home for any drafts near plumbing fixtures and seal them. Common problem areas include windows, doors, and where pipes enter the house. Using caulk or weather stripping to seal these leaks can make a significant difference.

Maintaining the Water Heater

Your water heater works harder during winter. Draining and removing sediment from the tank can improve efficiency and prolong its life. Check the pressure relief valve to ensure it's in good working order. If your water heater is older, consider insulating it to maintain temperature and reduce heating costs.

Outdoor Plumbing Preparations

Outdoor plumbing is particularly vulnerable in winter. Disconnect garden hoses, drain water from outdoor pipes, and, if possible, shut off the water supply to outdoor faucets. Covering exterior faucets with insulated foam covers can provide additional protection against freezing temperatures.

Keeping a Steady Drip

Allowing faucets to drip slightly during extreme cold can prevent pipes from freezing. The constant flow, even just a trickle, helps prevent water from freezing within the pipes. Focus on faucets that are fed by exposed or vulnerable pipes.

Adjusting the Thermostat

Maintaining a consistent temperature in your home can help protect your pipes. Avoid lowering the thermostat dramatically at night or when you're away. A slightly higher heating bill is preferable to the costly repairs of burst pipes.

Preparing for Vacations

If you plan to be away during the winter, it's essential to prepare your home. Set the thermostat to no lower than 55°F (13°C) and consider shutting off the main water supply and draining the system to prevent freezing. Ask a neighbor or friend to check on your house periodically.

Knowing How to Respond to Frozen Pipes

If you suspect a pipe has frozen, act quickly. Turn off the main water supply to minimize water damage if the pipe bursts. Try to gently thaw the pipe with a hair dryer, starting close to the faucet and moving along the pipe. Never use an open flame to thaw pipes.

Professional Inspections and Maintenance

For peace of mind, consider having a professional plumber inspect and maintain your plumbing system before winter. They can identify potential problems, ensure your system is in top condition, and provide expert advice on winterization.


Preparing your plumbing for winter in Texas is a vital step in protecting your home and avoiding costly repairs. By following these steps, you can ensure that your plumbing system remains safe and functional throughout the colder months. If you're in the greater Amarillo area and need professional assistance, Guy's Plumbing Heating & Air is here to help. With their expertise, you can rest assured that your plumbing system is ready for whatever winter brings.