Window Installations in Gunnison & Crested Butte

Time for new windows?

At Mueller Construction LLC, we understand that window installations can be a significant investment. That’s why we offer flexible financing options to make the process easier for you. As a family-owned business in Gunnison & Crested Butte, we’re dedicated to quality craftsmanship and helping you enhance your home without breaking the bank.

Modern bathroom with soaking tub, vanity, and large window. Neutral tones, natural light.

Upgrade Your Windows, Pay Through Your Utility Bill!


Mueller Construction is excited to partner with the Electrify and Save On Bill Repayment Program (OBR) through Colorado Clean Energy Fund— making energy-efficient upgrades easier and more affordable than ever!


Low Financing Rates: 4.0% – 4.9%
No Dealer Fees — Keep more money in your pocket
No Hard Credit Check — We only verify your bill payment history
Convenient Payment: Added directly to your utility bill


Available for Members of These Utility Co-ops:
Gunnison County Electric Association


Improve your home’s comfort, energy efficiency, and style — without the upfront financial strain.


Ready to get started? Take a look at our friend's over at Mountain Windows website to look at available options!