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September 16, 2026

Winter Prep Checklist for Eastern Washington Homes: 10 Things to Do Before the First Freeze

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Why Eastern Washington Winters Demand a Different Kind of Checklist

If you’ve lived through a winter in Spokane, Colville, or Kettle Falls, you already know our cold snaps don’t play fair. One day it’s a crisp fall afternoon, and the next morning your windshield is frozen solid and the roads out toward Kettle Falls are glazed with black ice. Generic winter prep articles written for milder climates just don’t cut it here — they don’t account for how fast our temperatures drop or how hard our older homes get hit by the first real freeze.

We’ve been a family-owned business serving Eastern Washington since 1979, and we’ve watched generations of local homeowners scramble every October because they waited too long. This checklist isn’t copy-pasted from a national blog — it’s built from decades of watching what actually breaks, freezes, and fails once winter sets in from Airway Heights to Colville. Here are ten things you can knock out this week, starting today.

Get Your Home’s Bones Ready for the Cold

1. Top off your antifreeze. Before that first hard freeze hits Colville or Kettle Falls, make sure your vehicle’s antifreeze is topped off and rated for our coldest overnight lows. It sounds obvious, but it’s the step most people forget until they’re stranded on a frosty morning waiting for a tow.

2. Switch to winter-grade washer fluid. Regular washer fluid can freeze solid in your lines on the coldest Eastern Washington mornings. A couple of jugs of sub-freezing-rated fluid now saves you from driving blind later.

3. Walk your home’s perimeter and check for gaps. Older homes throughout Airway Heights and Colville often have windows, doors, and trim that have shifted over the years. Grab a flashlight, check for daylight coming through gaps, and feel for drafts along the frames.

4. Recaulk before you regret it. Cracked, dried-out caulk is one of the biggest culprits behind winter energy loss. Pick up a caulk gun and a few tubes of exterior sealant while you’re picking up antifreeze — resealing windows, baseboards, and exterior joints is a one-afternoon project that pays you back all winter in lower heating bills.

5. Wrap exposed pipes today, not in December. Pipes running through unheated garages, crawlspaces, or exterior walls are the ones that burst first once temperatures nosedive. Foam pipe insulation costs just a few dollars a section and takes minutes to install — cheap insurance against a very expensive repair.

Protect Your Roof, Systems, and Yard Before the First Storm

6. Clear your gutters now. Leaves and debris left sitting in your gutters turn into ice dams once the snow starts piling up, and ice dams back water up under your shingles. A Saturday morning with a ladder and gloves now can prevent a soggy ceiling later.

7. Change your furnace filter and schedule a checkup. If it’s been more than a year since your furnace was serviced, don’t wait for the coldest night of the year to find out it’s struggling. A clean filter and a quick inspection keep it running efficiently when you need it most.

8. Handle wasps and hornets before they move in for winter. Late-season wasps and hornets go looking for warm, sheltered spots — attics, eaves, sheds — to overwinter. Treating problem areas now with a wasp and hornet killer keeps them from setting up shop right above your head until spring.

9. Stock your bird feeders. Once snow covers natural food sources, local wildlife needs the extra help. It’s a small gesture, but there’s nothing better than watching chickadees and finches at a feeder outside a frosty window on a January morning.

10. Put together a real winter emergency kit. Rock salt or ice melt, a sturdy snow shovel, extra batteries, and a working flashlight all deserve a permanent spot in your garage before the first storm rolls through. Power outages happen every winter across Eastern Washington, sometimes for hours at a stretch, and it’s a lot easier to prepare in October than to search for supplies during a blackout.

Make It Easy: Our Winter Ready Bundle and Local Know-How

To take some of the guesswork out of this list, we’ve bundled the essentials — antifreeze, weatherproofing sealant, wasp and hornet killer, and birdseed — into one convenient Winter Ready Bundle at a better combined price. It’s built specifically around Eastern Washington’s early-onset cold snaps, not a generic national promotion that assumes everyone’s winter looks the same.

Unlike big-box retailers running the same seasonal displays nationwide, our team lives and works right here in Spokane, Airway Heights, Colville, and Kettle Falls. We know which caulk actually holds up through a Colville deep freeze and which pipe insulation survives a Kettle Falls cold snap, because we’ve tested it in our own homes and heard the results from our neighbors for over 40 years.

Don’t wait for the first freeze to catch you off guard. Stop by any of our four locations to pick up everything on this list, ask our team for a free printed checklist in-store, or shop our Winter Ready Bundle online anytime at bldrsupply.epicor-inet.com. Let’s get your home ready for whatever this Eastern Washington winter throws at us.

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