Building tune-up

The Efficiency Works Building Tune-up program is designed to optimize and enhance your current building's HVAC systems. Building Tune-up offers services from enhanced maintenance for standard rooftop units to full retrocommissioning (RCx) on facilities with building automation systems. Start optimizing your facility's heating and cooling performance today.

Building Tune-up offers three program paths:
1. Performance Plus
2. Light retrocommissioning
3. Full retrocommissioning

All work must be completed by an authorized Performance Plus and Retrocommissioning service provider - as listed on the Find a service provider page.

Connect with an Efficiency Works energy advisor to find the right path for your facility.

Connect with an advisor

Technical support and efficiency advising

Our efficiency experts are available to help every step of the way. To learn more about how our energy advisors can help you develop an efficiency plan for your facility, click here.

Eligibility requirements

To qualify for the Building Tune-up program, your business must be a current commercial electric customer of Estes Park Power and Communications, Fort Collins Utilities, Longmont Power & Communications or Loveland Water and Power. Performance Plus participants are required to have an existing HVAC maintenance contract and Retrocommissioning participants must have a building automation system. All work must be completed by an authorized Performance Plus and Retrocommissioning service provider.

Become a service provider

If you are a contractor that provides routine HVAC equipment maintenance or a company that provides retrocommissioning services and want to learn how to become an authorized service provider for this program, please email

Building Tune-up program guide

Detailed program specifications and incentive requirements can be found in the Efficiency Works Building tune-up program guide.