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Preparing-your-house-for-winter-the-systems-and-structure-checklist
Preparing-your-house-for-winter-the-systems-and-structure-checklist
I moved into my current house in November, which meant I inherited an unprepared house going into its first winter in my care. By February I had a burst outdoor faucet, a chimney that smoked into the room instead of up the flue, and a heating bill that was about forty percent higher than the previous owner's records suggested. All three were fixable before winter with less than a hundred dollars and a few hours. I just hadn't known to look.
Heating system: the most important early check
The furnace should be serviced before you need it. An annual professional cleaning and inspection costs around a hundred dollars and ensures the heat exchanger isn't cracked, the igniter is functional, and the system is running at rated efficiency. Do this in September or early October before HVAC companies are overwhelmed by the first cold snap. Replace furnace filters at the start of every heating season and again in the middle of it if you run the system heavily. A clogged filter makes the system work harder for less heat output, raises your energy bill, and can cause the heat exchanger to run hot enough to crack — which is an expensive repair. furnace filters in the right size for your unit are a cheap recurring purchase worth buying in multipacks. Test the thermostat early in fall. If the heat doesn't come on when called, finding this out in October is far less stressful than finding it out during the first hard freeze.The envelope: sealing and insulating against the cold
Air leaks are the invisible energy drain in most homes. Gaps around electrical outlets on exterior walls, around plumbing penetrations, at the base of the house where the sill plate meets the foundation, and around attic hatches add up to significant heat loss. A can of expanding foam sealant and a tube of exterior caulk address most of them for under twenty dollars. Weatherstripping on doors degrades over time. The test: close the door on a piece of paper. If you can pull it out with no resistance, the seal isn't adequate. weatherstripping for doors is a straightforward replacement and dramatically reduces the cold draft that an ineffective seal allows. Door sweeps on the bottom of exterior doors address the gap the weatherstripping doesn't cover. Window caulk on the exterior should be checked and replaced where it's cracked, peeling, or missing. This is a two-hour fall job with a caulking gun and an exterior-rated sealant — a caulking gun with smooth-rod mechanism (rather than the basic ratchet type) gives better flow control for this kind of finish work.Gutters, roof, and outdoor plumbing
Clean the gutters after the leaves have mostly fallen but before the first hard freeze. Clogged gutters allow water to back up under the shingles and create ice dams — a ridge of ice along the eave that forces water up under the roof deck. A morning with a ladder and a gutter scoop prevents this reliably. Inspect the roof visually for missing or damaged shingles. Binoculars from the ground work fine for this. Any obvious damage should be repaired before snow loads stress the area further. Disconnect garden hoses from all outdoor faucets before the first freeze. A hose left connected holds water in the faucet body even when you think you've turned it off — this is one of the most common causes of burst faucets. Turn off the shut-off valve for any outdoor faucet that has one inside the house, then open the outdoor faucet to drain the remaining water. This takes about two minutes per faucet.Fireplace and chimney
If you haven't used the fireplace in a year or more, have the chimney swept before the first fire. Creosote buildup in the flue is a fire hazard. The damper should open and close fully — a stuck or partially open damper in summer becomes a cold air funnel in winter. Install a chimney cap if you don't have one; it keeps birds, rodents, and moisture out of the flue during the months you're not using it.What I'd skip
Skip the impulse to rush through this checklist in one afternoon just to say it's done. The value of the checklist is catching things — doing it quickly enough to miss the outdoor faucet valve or the missing shingle defeats the purpose. Budget a full Saturday, work through it room by room, and make a repair list as you go. The bottom line: winter prep done in October takes a day and costs under two hundred dollars in materials. The same prep skipped tends to cost significantly more in emergency repairs in the coldest months of the year. Ready to shop? Compare Home & Garden across stores → 📚 Or browse home & garden guides in Digital Goods →📢 Affiliate Disclosure: This article contains affiliate links. We may earn a small commission at no extra cost to you when you click through and purchase.
