What Is Blown-In Attic Insulation?
Blown-in insulation — also called loose-fill insulation — is a method of installing insulation material by blowing it into your attic space using a specialized machine. The material fills every gap, corner, and irregular space evenly, creating a continuous thermal blanket across your entire attic floor. In Florida, the two most common materials used are blown-in fiberglass and blown-in cellulose, both of which are highly effective in our hot, humid climate.
Unlike fiberglass batts — the pink rolls you may have seen in older attics — blown-in material conforms to the shape of your attic without leaving gaps or voids. Those gaps are where heat sneaks through. In a Palm Coast summer, even small gaps in your insulation layer allow radiant heat from a 150°F attic to press directly down into your living space, forcing your air conditioner to run longer and work harder than it should.
Blown-in insulation is the preferred method for both new attic insulation and topping off existing insulation that has settled, compressed, or degraded over time. It is fast to install, minimally disruptive, and delivers immediate results on your FPL energy bill.
Before and after: a Palm Coast attic upgraded from R-11 to R-38 with blown-in fiberglass insulation.
Why Blown-In Insulation Matters Specifically in Palm Coast
Palm Coast sits in Florida Climate Zone 2A — one of the hottest and most humid climate zones in the continental United States. The 2023 Florida Building Code requires a minimum of R-38 insulation for attics in existing homes in this zone. Yet the majority of homes in Palm Coast's established neighborhoods — C Section, F Section, Pine Lakes, Cypress Knoll — were built between 1980 and 2000, when the code required only R-11 or R-19.
That gap between what your attic has and what it needs is costing you real money. A home with R-11 insulation in a Palm Coast August is losing the equivalent of leaving a window open all day. Your AC runs longer, your FPL bill climbs, and certain rooms in your home — particularly those directly below the attic — never quite reach the temperature on your thermostat.
Upgrading to R-38 blown-in insulation is the single most cost-effective energy improvement available to most Flagler County homeowners. The Department of Energy estimates that proper attic insulation reduces heating and cooling costs by 15 to 25 percent. On a typical Palm Coast summer FPL bill of $250–$300, that translates to $37–$75 in monthly savings from June through October alone.
Our Blown-In Insulation Process
Every blown-in insulation job we do in Palm Coast follows the same thorough process. We don't just blow material in and leave — we treat your attic as a complete system.
How Much Does Blown-In Insulation Cost in Palm Coast?
Most blown-in insulation jobs in Palm Coast run between $1,200 and $3,000 for a standard 1,500–2,500 sq ft home, depending on the current insulation level and whether air sealing is included. Here is a general breakdown:
FPL also offers a rebate of up to $220 for qualifying insulation upgrades. We provide all documentation needed to claim both the federal tax credit and the FPL rebate. We give you a firm, itemized written quote before any work begins — no surprises.