How to Winterize a Chattanooga Home Before the First Hard Freeze

Chattanooga winters are usually mild, which is exactly why they catch people off guard. Most of the season sits in the 30s and 40s, then a hard cold snap rolls through the Tennessee Valley and suddenly a pipe under the house splits or ice backs up in a gutter. A few hours of prep in November can save you a very expensive January.

Here’s a practical checklist for homes across Greater Chattanooga, from older bungalows in North Chattanooga and Highland Park to newer builds in Ooltewah and Collegedale.

Start under the house: the crawl space

A lot of homes in this area sit on crawl spaces rather than full basements, and that’s where winter trouble usually starts. Cold air sneaks in through open vents and gaps, and the plumbing running through that space is the most exposed in the house.

• Check the vents. If your crawl space has foundation vents, many homeowners close or cover them for the coldest stretches. If yours is encapsulated, make sure the access door seals tight.
• Look at pipe insulation. Foam pipe sleeves are cheap and easy to add on any exposed supply lines. Pay extra attention to lines near outside walls and vents.
• Look for standing water or wet insulation. Soggy, sagging insulation between floor joists doesn’t do much. It’s also a sign you may have a moisture problem worth fixing before spring.

Outdoor faucets and irrigation

Hose bibs are the classic Chattanooga freeze casualty. Disconnect every garden hose, because a hose left attached traps water in the faucet. If you have frost-free spigots, that trapped water can still split the pipe inside the wall.

If you have an in-ground sprinkler system, have it drained or blown out before the first hard freeze. Backflow preventers sitting above ground are especially vulnerable, so an insulated cover is a smart small purchase.

Gutters, downspouts and drainage

Between the oaks, maples and poplars on Signal Mountain, Lookout Mountain and Missionary Ridge, a lot of Chattanooga gutters are packed with leaves by Thanksgiving. Clogged gutters overflow during winter rains, and that water ends up against your foundation or in your crawl space.

• Clean gutters after most of the leaves are down, not before.
• Make sure downspouts carry water several feet away from the house.
• Watch where water goes during the next heavy rain. Puddling near the foundation is worth a conversation with a drainage or waterproofing pro.

Heating system check

Whether you heat with a gas furnace or a heat pump, a pre-season tune-up is cheap insurance. Replace the air filter, clear anything stacked around the indoor unit, and keep leaves and debris away from the outdoor unit. Heat pumps work hard during those rare single-digit nights, and you want to find a weak part in November, not at 2 a.m. in January.

If your system is old, loud or struggling, winter is a good time to start gathering quotes. Your utility, including EPB if you’re in its service area, may have efficiency information or programs, so check with them for anything current.

Windows, doors and drafts

Older Chattanooga homes often have original single-pane windows and doors that have shifted over the decades. On a windy night, hold your hand near the edges of windows, exterior doors and attic hatches. If you feel a draft:

• Replace worn weatherstripping and door sweeps.
• Caulk gaps around window trim on the outside.
• Add insulation and weatherstripping to the attic access.

If the windows themselves are failing, with fogging between panes, rotted sills or sashes that won’t stay up, write it down. That’s a bigger project to price out over the winter.

If a hard freeze is in the forecast

• Let faucets on outside walls drip slightly overnight.
• Open cabinet doors under kitchen and bathroom sinks on exterior walls.
• Know where your main water shutoff is and make sure it turns.
• Keep the thermostat steady overnight instead of turning it way down.

This is general information, not professional advice. For plumbing, gas or electrical work, use a qualified, properly licensed contractor.

Turn your winter list into a spring plan

Winterizing usually turns up a list of bigger jobs: a crawl space that needs encapsulation, gutters that need replacing, an aging furnace, drafty windows. The Chattanooga Home & Remodeling Show is a good place to work through that list. You can meet HVAC, window, gutter and waterproofing companies in one visit, compare approaches side by side and ask the questions you wrote down over the winter.

Bring photos of your crawl space, utility room and problem windows, plus rough measurements. Exhibitors can give you much better answers when they can see what you’re dealing with.

Own a home improvement business?

Put your company in front of Greater Chattanooga homeowners who are actively planning projects. Reserve your booth online at NationwideExpos.com or call (423) 910-HOME.