Ultimate Guide 12 min read Updated 2026-02-06

Home Energy Efficiency Guide 2026

Reduce energy bills 20-50%. Top improvements, rebates, and ROI analysis.

Top Energy Improvements

ImprovementCostSavings/Year
Air sealing$350-$1,000$100-$300
Attic insulation$1,500-$3,500$200-$500
Smart thermostat$150-$300$100-$180
LED lighting$100-$300$75-$200
Energy Star appliances$500-$2,000$100-$300
Heat pump$4,000-$8,000$500-$1,500

2026 Rebates & Credits

Federal Credits (through 2025):
  • 30% for solar, heat pumps, geothermal
  • Up to $1,200/year for efficiency improvements
State Programs:
  • HEEHRA rebates (income-based)
  • Utility rebates vary by provider
  • Check dsireusa.org for your state

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