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Energy Savings Helper

Ceiling Insulation

CAeTRM

Calculate annual energy savings from adding ceiling insulation (attic batts) to your California home using deemed savings from the California eTRM.

Location
Select your climate zone based on your location
Your Home
Select the type of HVAC system in your home
Insulation
R-value of insulation batts to add on top of existing insulation
Square footage of ceiling area to insulate (often similar to home floor area)

Based on California eTRM methodology. Pages SWBE006. View source

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