Colorado Natural Gas offers rebates, programs and services to help you save money and be more energy efficient.


AFUE ≥ 95%

By upgrading to a 95% efficient furnace, you can bring down the cost of your heating bill to save energy and get cash back with a rebate.



Smart thermostats can be programmed to control the temperature of your home based on your schedule, and some can automatically learn your schedule to keep you comfortable when you’re home, and adjust when you’re away.


Tankless, UEF ≥ 88%

Tankless water heaters can provide from two to four gallons of hot water per minute and, because don’t store water to keep hot when it’s not being used, you save energy and never run out of hot water!

Let us know how we’re doing in communicating our efficiency programs.

Shop our DIY Marketplace!

Save big on energy efficiency products like smart thermostats and free water-saving kits you can install yourself!

Sign Up for a Free Air-Sealing Audit!

Unlock your home’s greatest energy savings by ensuring your attic is properly sealed with an air-sealing audit from Colorado Natural Gas. This free service will help you better regulate the temperature of your home, which can help lower your energy bills and increase your family’s comfort all year round.

Custom Energy Efficiency Program

This program offers financial incentives for different types of customers:

  • Multifamily
  • Single family residences
  • Large commercial and industrial

Please contact CLEAResult, program administrator, to learn more by calling 800-790-8853 or email

Is Your Home Leaking Money?

Colorado Natural Gas offers a comprehensive energy assessment at no cost that can help you understand your energy usage and prioritize measures that you can take to improve the efficiency of your home. Call 800.790.8853 or click the button below to schedule your home energy assessment.