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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.


Colorado Springs/Southern Colorado

Fort Collins/Northern Colorado



Unrivaled Performance, Uncompromising Integrity

Over 45 Years of Unrivaled Service

Continuing to Raise the Bar on our level of service

At Haynes Mechanical Systems, we have spent over 45 years building a company that we can be proud of - a company that focuses on working together with our customers to provide solutions to their heating, ventilation and air conditioning (HVAC) needs.  Our integrated service offerings put our clients at the center of our business, allowing for a partnership that achieves success together.  We approach projects to meet the changing goals of our clients, collaborating with them to align strategies and achieve world class results.

<1 class="widget-title text-center">Celebrating 45 years

Haynes Trane Founded

In 1968 Fred Haynes founded Haynes Trane, a manufacturers representative company in Denver, CO. 

New Haynes Employee

  • Greg Koenig
    Greg Koenig
    Service Technician

    Greg Koenig is hired as a Service Technician Apprentice. After over 40 years with Haynes, Greg is now our Director of Technical Services and Training.

New Haynes Employee

  • Terry Koenig
    Terry Koenig
    Apprentice Service Technician

    Terry Koenig is hired as a Apprentice Service Technician. After almost 40 years with Haynes, he now serves as our Vice President.

New Haynes Employee

  • Kraig Haynes
    Kraig Haynes
    New Equipment Sales Representative

    Kraig Haynes is hired as a New Equipment Sales Representative. He now serves Haynes as our President.

New Plant in Pueblo

Fred Haynes, along with Governor Roy Romer, influence TRANE to build a new manufacturing plant in Pueblo, costing an estimated $35 million and CREATING 400 JOBS.

Governor Roy Romer Publicly Applauds Haynes

1994 Governor Roy Romer publically applauds Haynes for reducing the use of Chlorofluorocarbons. He noted,
Your early recognition of the problem and efforts to encourage conversion to environmentally preferable alternatives are part of the reason why Colorado is among the nation’s leaders in eliminating CFC.

Haynes Sells First Maintenance Agreement

  • Linc Maintenance Sales

    Our first Linc Maintenance sales person is hired. Two months later our first preventative maintenance service agreement is sold.

Transitions & Growth

Change to Haynes Mechanical Systems

Transition from Haynes Trane to Haynes Mechanical Systems.

Acquisition of Linc

Acquire the Linc franchise to offer proactive preventative maintenance solutions.

Linc Contractor of the Year

Linc Contractor of the Year

Haynes has won the Linc Contract of The Year Award twice. 2003, and 2013!

Leadership Team of Haynes Is Restructured

The leadership team of Haynes is restructured with Fred Haynes as the established CEO and Chairman, Kraig Haynes as President, and Terry Koenig as Vice President; positioning Haynes for a successful transition into the future.

New Phoenix Office

Phoenix, Arizona

Opened office in Phoenix, AZ. In 2013, due to superior growth and service metrics, our Phoenix location was recognized as Linc Contractor of the Year!

New Northern CO Office

Fort Collins, Colorado

Opened office in Northern Colorado. 

Introduction of Customer Assurance Review & Evaluation

Introduced our Customer Assurance Review & Evaluation program, further strengthening our relationship with our customers.

We hit the $10 million plus maintenance base mark!

We hit the $10 million plus maintenance base mark!

Due to the efforts of many people over many years Haynes Mechanical Systems grew our maintenance base to over $10 million in 2011! Quite an achievement for one of the core pillars of our company, and is also one of the largest contract base amounts in the country!
Best Places to Work

Best Places to Work

Denver Business Journal recognizes us as one of the Best Places to Work. Chosen annually, winning companies are selected by their own employees through a confidential online survey.

Mechanical Focus

A transition that has allowed us to better meet the needs our customers by incorporating technology integration and energy management into a suite of services around customer focused mechanical services.

$1 Million In Rebates

We collected over $1 MILLION IN REBATES for our customers, by use of energy efficiency practices from our partners at Xcel Energy.

Celebrating 45 Years

We celebrate 45 years in the business: we wouldn’t be here today without our outstanding customers and devoted associates.

New Technology

Haynes implements new integrative technologies to bring more services and insights to our customers. 

Linc Contractor of the Year 2013

Linc Contractor of the Year 2013

Due to outstanding growth and business development, our Phoenix office won the Linc Contractor of the Year Award for 2013!
Xcel Energy's Energy Efficiency Partner Award 2014

Xcel Energy's Energy Efficiency Partner Award 2014

Xcel Energy awarded Haynes Mechanical Systems with an Energy Efficiency Partner Award for 2014. This is the fifth time Haynes has received this award, one every year since its creation in 2010.
Haynes Mechanical Systems is 1 of 25 recipients of this award in Colorado for 2014.
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