Contact Us

 Due to high demand, Nest products may take longer than usual to be delivered. We are processing your order and will send an email with shipping information as soon as possible.

Do you have questions regarding products, rebates or checkout? You can chat, call or email us at service@EfficiencyWorksStore.com.

For other inquiries such as billing and account information please contact your electric or water utility. 

Estes Park Light & Power: (970) 586-5331

Fort Collins Utilities: (970) 212-2900

Longmont Power & Communications: (303) 651-6884

Loveland Water and Power: (970) 962-2111

Monday - Friday: 7am - 7pm (MST), except holidays 
Ideal for quick questions and order support
Monday - Friday: 7am - 7pm (MST)
Ideal for checkout help and product questions
We'll reply by the end of the next working day, often much sooner
Ideal for checking order status & product questions