Colorado Energy Savings Program (CESP)


The Colorado Weatherization Assistance program helps eligible residents to save money on their energy bills by implementing energy efficiency measures to their house.

In partnership with local agencies and the U.S. Department of Energy, the  Colorado Energy Office offers a free Weatherization Program to Colorado’s low-income residents, giving them the opportunity to access cost-effective energy efficiency services through its Weatherization Program.

Weatherization is a blanket term for a variety of measures that improve the energy efficiency of your home. These cost-effective improvements and upgrades will reduce energy usage, saving you money while improving the comfort of your home year round.

How to Apply for the Colorado Weatherization Assistance Program:

The Weatherization Assistance Program is administered by partner agencies. To apply, you must contact your local partner agency. Click here to locate your local partner agency


In order to qualify, you must have an annual household income (before taxes) that is below the following amounts:


Household Size* Maximum Income Level (Per Year)
1 $22,340
2 $30,260
3 $38,180
4 $46,100
5 $54,020
6 $61,940
7 $69,860
8 $77,780
*For households with more than eight people, add $7,920 per additional person.

More Information:

For more information visit the FAQ page of the Colorado Energy Office or call 1-888-432-8546.

Weatherization improvements may include:

  • Energy Audit
  • Insulation in Attics and Walls
  • Furnace Replacement
  • Furnace Safety Testing
  • Refrigerator Replacement
  • Sealing Air Leaks
  • Compact Fluorescent Light Bulbs (CFL)
  • Storm Windows and Doors
  • Energy Conservation Information