Douglas County - Residential Energy Efficiency Rebate Program

September 23, 2010


Residents in unincorporated Douglas County, the Cities of Castle Pines North and Lone Tree, and the Town of Larkspur that meet all eligibility requirements listed on may apply for a rebate. Rebates are available on a first-come, first-served basis through October 18, 2012 or until funds run out.

Program Overview

Implementing Sector: Local
Category: Financial Incentive
State: Colorado
Incentive Type: Rebate Program
Web Site:
Administrator: Douglas County Building Services
Start Date: 4/19/2010
Eligible Renewable/Other Technologies:
  • Water Heaters
  • Furnaces
  • Boilers
  • Caulking/Weather-stripping
  • Duct/Air sealing
  • Building Insulation
  • Windows
  • Doors
Incentive Amount: Gas Furnaces: $400 - $500
Gas Boilers: $500
Gas Water Heaters: $160 - $200
Tankless Gas Water Heaters: $400
Insulation, air sealing and weather-stripping: 20% of cost up to $500
Windows and Glass Doors: 20% of cost up to $1,000
Equipment Requirements: Windows and doors: U-Factor of .35 or less
Gas water heaters: .62 EF or greater (larger rebates available for greater efficiency)
Tankless gas water heater: minimum .82 EF
Gas furnaces: 92% + AFUE or greater (larger rebates available for greater efficiency)
Gas boilers: minimum 84% + AFUE


Name: Rebate Program
Organization: Douglas County Building Services
Address: 100 Third Street, Suite 020
Castle Rock CO 80104
Phone: (303) 660-7497

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.