The CORE Knowledge Base

Ward leans against a heat pump outside of his Aspen home.

Aspen City Council Member Ward Hauenstein Feeling the Heat 


Earth Day 2023

Planet Earth is the only home we have and how lucky are we to live in such a nourishing environment that sustains us every day, not only with the resources necessary to survive and thrive, but with natural beauty that allows us boundless opportunities to recreate and seek solace and regeneration.

2023 Rebate Program

This year we’ve streamlined our 2023 rebate offerings to save you more money and make the program simpler to understand. Plus, we’ve increased the amount of funds available to you.

Heat Pumps are the Hottest Thing. Also, Because They’re Cool!

Heat pumps are three times more efficient than traditional heating systems and installing one at your home or business will save you money and will save pollutants from entering the atmosphere that contribute to climate change.

The International Panel on Climate Change – 2023 Report

The International Panel on Climate Change just released its 2023 report, which summarizes the organization’s findings over the last five years.

Ribbon cutting ceremony at Buttermilk ski area base

Buttermilk Base Renovation Celebration

There was much to celebrate at SkiCo’s ribbon cutting ceremony for the Buttermilk base area renovation last week with a whole new Skier Services building and energy efficiency upgrades at the Lodge.

Mary Wiener, CORE’s New Energy Manager

Meet Mary Wiener, CORE’s New Energy Manager

“Working with people to help them reduce their utility bills, make their homes and buildings more comfortable while also making them safer and healthier is great work for me.  I get to be out in the field helping people and it’s both mental and physical, which is a good combination.”

CORE Partners with 10th Mountain Hut Division

CORE provided $36,000 in rebates for the 10th Mountain Hut Division employee housing complex.

Page in Green Builder Magazine showing Aspen as the winner of their Sustainable Communities of the Year Award!

City of Aspen Wins Sustainable Communities of the Year Award

Congratulations to the City of Aspen for winning Green Builder Magazine’s Sustainable Communities of the Year Award!

City of Aspen Recognized by the EPA

The EPA recognized Aspen this week in a national outreach campaign for the work CORE and the City of Aspen are doing with Building IQ, a program to benchmark large buildings in Aspen.

CORE is a 501(c)(3) nonprofit dedicated to leading the Roaring Fork Valley to a carbon-free, net zero energy future.