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Colorado Based, National Capability

Haynes Mechanical Systems is your partnered solution for commercial HVAC mechanical maintenance and repair, intelligent building technologies and energy management services. We have offices in Colorado and Arizona, providing building maintenance and facility services to companies across the U.S. and Canada.  We work with affiliates all over the United States to help overcome your unique building challenges. Call us today!


Call us Monday through Friday 8am-5pm at any of our locations below.

5700 S Quebec Street, Suite 210
Greenwood Village, CO  80111

Colorado Springs/Southern Colorado
610 First Street
Colorado Springs, CO  80907

Fort Collins/Northern Colorado
300 Lincoln Court, Suite H
Fort Collins, CO  80524

6003 S 40th Street, Suite 3
Phoenix, AZ  85042

Xcel Energy Denver District Chilled Water Plant, Denver, CO

Xcel Energy Denver District Chilled Water Plant, Denver, CO
  • With over 17,000 tons of mechanical cooling and 87,000 tons of thermal (ice storage) cooling spread across 5 operating central plants and 5 miles of chilled water piping, Haynes provides onsite operators, supervision, mechanical chiller maintenance and repair, Tridium Niagara plant automation service and support to Xcel Energy’s district cooling system.

    This district chilled water system provides guaranteed chilled water to 48 Xcel Energy customers in downtown Denver including commercial office buildings, government buildings, hotels, the Denver Art Museum, the Denver Public Library, and the Colorado Convention Center.