Estimate savings from insulation, air sealing, windows, and smart thermostats — adjusted for your climate zone with Section 25C tax credits.
DOE estimates 43% avg. Higher in cold climates, lower in mild ones.
Select Upgrades
Blow-in cellulose or fiberglass to R-60 in attic. Biggest bang for the buck in cold climates.
Dense-pack cellulose or foam into existing wall cavities. Best for uninsulated older homes.
Rigid foam or spray foam on basement walls or crawlspace floor joists.
Seal gaps around windows, doors, outlets, attic bypass, rim joists. Caulk + spray foam + weather stripping.
Seal duct joints with mastic + wrap with R-8 insulation. Prevents conditioned air loss in unconditioned spaces.
Replace single-pane with ENERGY STAR Low-E double-pane. U-factor ≤ 0.30.
Replace double-pane with triple-pane. U-factor ≤ 0.20. Best for zones 5+.
Wi-Fi thermostat with scheduling, geofencing, and learning. ENERGY STAR certified.
Add storm doors to main entry points. Reduces drafts and adds thermal barrier.
Select upgrades from the list to see ROI estimates.
Next step
Add a Heat Pump
Weatherized home + heat pump = maximum savings.
Find 25C Credits
Claim Section 25C credits for insulation and air sealing.
Full Energy Audit
Walk through your home room-by-room to find all savings.