Why R-38 over R-30?
The marginal cost to go from R-30 to R-38 is small. The marginal benefit — both in comfort and electric savings — is large in Florida’s climate.
Resource Guide
R-38 High Efficiency Upgrades Guide
R-38 is the upgrade we recommend most often — here’s why it’s worth doing right.
Back to R-38 High Efficiency Upgrades
What ‘properly installed’ means
Even depth across the entire attic, no thin spots, soffit ventilation protected, and air leaks sealed before install.
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