Heating and Cooling account for 40-50% of the total energy bill in a typical home.

Attic Insulation is Most Important

R30 is Code in Austin

Ceiling insulation slows the rate of heat energy exchange

Blown Cellulose Insulation

Continuous Ridge Vents
and Soffit Vents
Disperses the Heat in Attic

Ducts Out of Attic
Into Conditioned Space Austin Attics Can Be 140 Degrees
Ceilings, Windows, Leaks
Leaks are the Top
Heat / Cool Losers
Wall Insulation Less Critical
Continuous Insulation
Electrical Boxes, Holes Filled Straw, SIP, Habel are Good
Thermal Mass
Cool in Day, Warm at Night Faswall, Cobb & Slab
Double Caulking
In Framing Period: seal around Windows and Doors, Bottom Plates Closing Stages: Joints, Boxes, Seams, Trim, Baseboards, Plumbing

The City of Austin estimates that air leaks are responsible for up to 35% of a home's Heating and Cooling bills.