Colorado Natural Gas - Energy Efficiency Rebate Program (Colorado)

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Last modified on February 12, 2015.

Financial Incentive Program

Place Colorado

Name Colorado Natural Gas - Energy Efficiency Rebate Program
Incentive Type Utility Rebate Program
Applicable Sector Commercial, Residential
Eligible Technologies Boilers, Building Insulation, Comprehensive Measures/Whole Building, Duct/Air sealing, Equipment Insulation, Furnaces, Programmable Thermostats, Water Heaters, Food Service Equipment, Tankless Water Heater, Furnace/Boiler Sizing
Active Incentive Yes

Implementing Sector Utility
Energy Category Energy Efficiency Incentive Programs
Amount Residential

Home Energy Evaluation: Contact CNG
Furnace: $200 - $300
Boiler: $150
Proper Sizing of Boiler/Furnace: $50
Hot Water Heater (Tank): $40
Hot Water Heater (Tankless): $300
Programmable Thermostat: $25
Insulation and Air Sealing: $200
Hot Water Insulation/Infiltration Measures: $25
Integrated Space and Water Heater: $300
Duct Insulation and Maintenance: $200

Furnace: $200 - $300
Boiler: $150
Proper Sizing of Boiler/Furnace: $50
Hot Water Heater (Tank): $40
Hot Water Heater (Tankless): $300
Programmable Thermostat: $25
Miscellaneous Measures: $25
Integrated Space and Water Heater: $300

Equipment Requirements Furnaces: minimum of 92% AFUE rating

Boiler: minimum of 84% AFUE rating
Hot Water Heaters (Tank): EF of .62
Hot Water Heaters (Residential Tankless): EF of .82
Insulation: existing ceiling insulation must be less than R-20 and with a wall insulation of R-0
Programmable Thermostat: must be Energy Star

Installation Requirements Hot Water Insulation/Infiltration Measures: minimum purchase of $40

Maximum Incentive Programmable Thermostats: 2 per account

Date added to DSIRE 2009-03-23
Last DSIRE Review 2012-11-08
Last Substantive Modification
to Summary by DSIRE

References DSIRE[1]


Colorado Natural Gas offers the Excess is Out Program for residential and commercial customers in Colorado. Incentives are available for purchasing and installing energy efficient furnaces, boilers, hot water heaters, programmable thermostats, insulation, tank wrap, pipe wrap, caulk and weatherization measures. Under this offering, home energy evaluations, insulation rebates and air sealing rebates are only available to residential customers. All equipment must meet certain energy efficiency standards listed on the program web site. Applications must be submitted (with a copy of the receipt/invoice) within 60 days of product purchase date. Rebates apply to purchases made after January 1 of the program year and extend until funding expires. Increased incentives are available to customers who participate in Recharge Colorado, a state incentive program targeting energy efficiency. Consult Colorado Natural Gas by phone or visit the web site listed above for program specifics.

Incentive Contact

Contact Name Excess is Out

Address 3800 Watt Ave.
Address 2 Suite 105
Place Sacramento, California
Zip/Postal Code 95821
Phone (866) 971-7347


  • Incentive and policy data are reviewed and approved by the N.C. Solar Center's DSIRE project staff.[1]


  1. 1.0 1.1  "Database of State Incentives for Renewables and Efficiency (DSIRE)"