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Insulation in Liberty: July highs average about 88°F; January lows average about 28°F; the typical home was built around 1985 (46% before 1980).
In DeKalb County, July highs average about 88°F and January lows about 28°F, with roughly 56 inches of rain a year.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, hailstorms and tornadoes in DeKalb County, with hail up to 1.75 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
The typical home in DeKalb County was built around 1985, about 41 years ago, and 46% were built before 1980. Homes that age often need updated wiring, plumbing and roofs.
DeKalb County has had 13 federal disaster declarations in the last 25 years, most often for severe storms; the latest was Severe Winter Storm (2026).
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Uneven rooms, high bills and an attic you can see the joists in are the signs; older homes often have far too little.
Attic insulation and air-sealing usually pay back fastest.
These are DeKalb County figures — more about homes in Smithville.
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