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Insulation in Seminole: July highs average about 90°F; January lows average about 52°F; the typical home was built around 1974 (62% before 1980).
In Pinellas County, July highs average about 90°F and January lows about 52°F, with roughly 53 inches of rain a year. That much heat keeps air conditioners running hard for months, so a yearly tune-up pays off.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, tornadoes and hailstorms in Pinellas County, with hail up to 1 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
The typical home in Pinellas County was built around 1974, about 52 years ago, and 62% were built before 1980. Homes that age often need updated wiring, plumbing and roofs.
Florida Building Code, 8th Edition (2023). Florida writes its own statewide building code, updated every three years, with strong wind-load rules for roofs, windows and doors.
Pinellas County has had 27 federal disaster declarations in the last 25 years, most often for hurricanes; the latest was Hurricane Milton (2024).
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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 Pinellas County figures — more about homes in St. Petersburg.
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