Winter in Colorado is just around the corner, which means it’s time to gear up for ski slopes, snowball fights, and cozy nights by the fire. But before you jump into the fun, there’s one more thing to check off your list: winterizing your home. It’s not the most glamorous task, but ensuring your home is ready to withstand the cold will save you a lot of hassle (and money) down the road. Plus, coming in from sledding only to find your heating system on the fritz? Even the best cup of hot chocolate can't fix that.
Wondering how to winterize a house? Here’s your guide to ensuring your home is prepped for whatever curveballs — or snowballs, as the case may be — winter throws your way.
How to Winterize a House
1. Safety Check
First things first: make sure your home is safe. Test and replace the batteries in your smoke and carbon monoxide detectors, because no one wants surprises during the holiday season—especially not the kind that could be life-threatening. These devices are your first lines of defense against fires or gas leaks, so making sure they’re in top condition is non-negotiable. If you can’t remember the last time you swapped the batteries, it’s time. And while you’re at it, take a moment to review your family’s emergency plan. Even a quick fire drill can make a difference in a high-stress moment, and don’t forget to include your pets! They’re family, too, and should have a designated spot in your safety plan.
2. Heat Things Up
When it’s freezing outside, your heating system is the real MVP. Whether you rely on a furnace, boiler, fireplace, or a combination, schedule a maintenance check before the first cold snap. It’s not just about keeping things cozy—it’s about safety. A well-maintained heating system can prevent house fires, reduce the risk of carbon monoxide poisoning, and ensure you aren’t hit with unexpected (and expensive) repairs. Don't forget the little things, like swapping out furnace filters to keep the air clean and your system running efficiently. Bonus points if you upgrade to a programmable thermostat that helps you save on energy costs by adjusting the temperature when you’re away.
3. Keep Critters Out
As the weather cools, you aren’t the only one looking for a warm place to hibernate. Mice, squirrels, and other critters are on the hunt for cozy spots—and your home might look like prime real estate to them. Inspect your home for any small gaps or cracks that could serve as an entry point, especially around windows, doors, and your home’s foundation. A little caulking now could save you from having unwanted furry guests later. It’s not just about keeping your pantry safe from curious critters, though—they can chew through insulation, wiring, and other critical home infrastructure, leading to costly damage.
4. Exterior Repairs
Your home’s exterior is its first defense against winter weather, so give it a once-over before the snow starts falling. Peeling paint, cracked caulking, and exposed wood can all become bigger problems when exposed to moisture and freezing temperatures. Touch up paint, repair any damaged trim, and consider adding a fresh coat of sealant where needed. This small effort helps prevent the kind of moisture damage that can lead to rot or mold, which are much bigger headaches to fix. If your windows are older, this is a great time to check for drafts and add weatherstripping to keep the cold air out and your heating bills down.
5. Roof & Gutters
Your roof and gutters have one job: keep the elements out. But if they’re not maintained, you could be in for a wet and icy winter inside your home. Inspect your roof for any missing or damaged shingles—if you spot anything, call a professional to make repairs before snow accumulates. Clean out your gutters and downspouts, too. Clogged gutters can lead to ice dams, which cause water to back up and damage your roof, siding, and even the interior of your home. Nobody wants to be up on a ladder in January, so take care of it now while the weather is still mild.
6. Fence Fix
Fencing isn’t something most people think of when they’re winterizing their home, but it should be. Colorado winters are tough on wood fences, which can warp, crack, or deteriorate from exposure to cold, wet weather. A fence in disrepair not only detracts from your home’s curb appeal but also doesn’t provide the protection or privacy it should. Spend some time inspecting your fence for any loose boards, nails, or peeling paint. Make repairs, clean, and reseal it while the weather is still decent. This helps protect the wood and keeps it looking sharp through winter.
7. Sprinkler System Shut Down
If you live in Colorado, you know that winterizing your sprinkler system is a must. Freezing temperatures can cause leftover water in the pipes to expand and burst, leading to costly repairs in the spring. Blowing out your sprinkler system to remove all excess water is the best way to avoid this. While you’re at it, inspect the system for any leaks or damage and make repairs before shutting it down for the season. This small task now will save you a major headache later.
8. Landscaping Prep
Your trees, bushes, and lawn need some TLC before the snow starts falling, too. Dead limbs and branches are a safety hazard in heavy snowstorms, and they can damage your home, car, or even a passerby if they fall. Hire an arborist to prune your trees properly, especially if you have larger species that are more prone to breakage. Rake up any lingering leaves, as they can smother your lawn and prevent healthy growth in the spring. Denver Recycles' LeafDrop program is a great option for getting rid of your leaves and helping the environment at the same time—they turn the leaves into compost!
Snow’s Coming—Is Your Home Ready?
Winterizing your home might not be as fun as hitting the slopes, but it’s a crucial step in protecting your investment, saving on energy costs, and keeping your family safe and warm all season long. From furnace maintenance to critter-proofing, tackling these tasks now will ensure that you can enjoy the snow without any unwelcome surprises. And if you need help finding reliable professionals to assist with any part of the process, your Corcoran Perry & Co. real estate agent can connect you with trusted contractors who’ll have your home winter-ready in no time.
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