The table below shows what levels of insulation are cost effective for different climates and locations in the home.
How much attic insulation do i need in florida.
Climate zone 1 consists of the following south florida counties.
Do i need to insulate the attic area over my garage.
R value is a measure of insulation s ability to resist heat traveling through it.
Can i have too much insulation.
October 12 2016 by cindy hastings.
Homes should have between r 22 and r 49 insulation in the attic.
All other florida counties are considered to be in climate zone 2 and require a minimum r 38.
Residential requirements for insulation are divided by the location in the home.
Most insulation you buy will have a sq ft number for easy reference.
This is a more expensive measure that usually requires a contractor but it may be worth the cost if you live in a very hot or cold climate.
For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.
Insulation requirements in florida.
Where on that scale you lie depends on your home and the heating system you use electric furnaces need more in home insulation.
Framed wall insulation must meet or exceed r 13.
Homeowners are always looking to save money on heating and cooling costs.
According to home advisor insulating your attic can cost between 1700 to 2100.
Would adding insulation there affect heating and cooling costs.
Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.
Ceiling insulation must be much higher at r 30 and a raised floor must be at least r 13.
Square footage of your attic.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
Inspecting your attic insulation.
If your attic has enough insulation and your home still feels drafty and cold in the winter or too warm in the summer chances are you need to add insulation to the exterior walls as well.
The main factors that impact the cost are.
Type and material of your insulation.
Contractor or insulation installer s fee.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Energy star s map of recommended home insulation shows that the majority of florida is within zone 2.
The higher the r value the better the thermal performance of the insulation.
You may also need to add insulation to your crawl space.
This zone has a recommended r value of 30 to 60 for an uninsulated attic r25 to r38 for an attic with existing insulation and r13 to r19 for the floor.
You want your insulation to reach an r value of around 38 49 here in florida to be effective.