7 Signs Your Attic Insulation Needs Replacing (Before Summer Hits)

1. Your FPL bill keeps climbing

If your cooling bill has crept up 15–30% over the last few summers and your AC unit is fine, your insulation is degrading. Fiberglass and cellulose lose R-value over time — especially in South Florida humidity. A 10-year-old fiberglass attic in Boca may be performing at 60% of its rated R-value.

2. One room is always hotter than the others

Uneven cooling is almost always an insulation gap — a compressed batt, a missing section, or a spot where moisture has matted the material. A FLIR camera finds it in 30 seconds.

3. Musty or damp smell from the attic

That's moisture trapped in your insulation. Fiberglass and cellulose hold water; once they're damp, they grow mold and lose R-value fast. If you smell it, the insulation is already compromised and likely needs removal, not just topping up.

4. Your AC runs nonstop on hot afternoons

A properly sealed and insulated South Florida home should let the AC cycle — run, hit temp, rest. If yours never rests in July, your attic is feeding heat into the house faster than the AC can remove it. Insulation (or the lack of a radiant barrier) is the usual culprit.

5. Ice dams in... wait, you live in Florida

Right — no ice dams here. The Florida equivalent: hot spots on the ceiling on a sunny afternoon. Put your hand on the ceiling under the attic in August. If it's noticeably warm, your attic heat is radiating through. That's a radiant heat problem a barrier + foam will fix.

6. Visible gaps, compression, or discoloration

Pop your head into the attic. Look for:

• Gaps between batts or around recessed lights
• Fiberglass that's turned gray or brown (moisture + dust)
• Cellulose that's settled and thinned out
• Pink or yellow batts that have flattened to half their original thickness

Any of these = replace.

7. Your insulation is 10+ years old

In South Florida's heat and humidity, fiberglass batts have a realistic service life of 7–10 years before significant degradation. Cellulose settles and loses R-value faster. If your home was insulated before 2016 and hasn't been touched, you're almost certainly paying for it on your power bill every month.

What to do

Book a FLIR thermal inspection. We image the entire attic and ceiling plane, show you exactly where the heat is entering and where the insulation has failed, and give you an honest read on whether you need a full retrofit or targeted repairs. No upsell — sometimes a single room needs foam and the rest is fine.