Providing Mission Critical Solutions Since 1965

Data Centers are highly complex systems that require a specific set of solutions to manage critical equipment for precision cooling. We combine the best in HVAC Equipment, Building Automation, HVAC Service, Security Solutions, and Parts to provide a custom solution that ensures 100% uptime and maximum return on your ROI.

The LONG Difference

From critical cooling system design to project management and facility maintenance, we’ve got you covered through the lifecycle of your building. Our experienced and customer-focused team can develop a customized solution to meet your specifications and reach optimal KPIs like PUE (power usage effectivenes), CUE (carbon usage effectiveness), and WUE (water usage effectiveness). We'll keep your mission critical facilities up and running without incurring exorbitant cost.


Precision Cooling Equipment Sales Engineers

24/7 Support

Technicians are dedicated to you 24/7.


Building Automation Controls Engineers & Programmers


Tech Support & Field Service Technicians

HVAC Equipment

Our sales engineers, backed by a team of dedicated project managers, provides well-rounded, custom HVAC equipment solutions based on your project's design. From selecting optimal equipment like chillers, AHUs, CRACs, CRAHs, and fan walls to budgeting and financing options, to on-going support, LONG is here to help through every step of the process.

Building Automation

Before your project breaks ground through the life of your building, our team is there to help you plan, executive and maintain your facility. The LONG team includes Building Automation Controls Engineers, programmers and in-house electricians, providing expert installation and ensuring efficient, high performance building systems with LONGevity. 


Security Solutions

Protecting building and occupants from harm is your top priority – and ours. LONG offers AV Design to allow for improved comprehension and retention as well as collaborative conferencing, and responsive control centers. Our team can design all aspects of your security systems to provide the safest, most secure building environments.

HVAC Service

With all mission critical facilities, 100% uptime is one of the most vital needs. Our team of experienced HVAC technicians will help achieve that. We'll provide preventative maintenance service to ensure maximum equipment performance and avoid unexpected and costly downtime. And in the event of an emergency, a local team from LONG or from one of our equipment partners will be on site to resolve your issue immediately.

Data Center HVAC Equipment

The electric power consumed to manage our digital dependency is growing, and so is the resulting by-product: heat. HVAC engineers are tasked with selecting mechanical systems that strike a balance between high reliability and low lifecycle cost. In addition, engineers are now seeking solutions that reduce energy consumption and carbon emissions associated with data center operations. Some of LONG's HVAC Equipment Solutions include:

  • Air-Cooled Chillers
  • Water-Cooled Chillers
  • CRACs (Custom Room Air Conditioning Units)
  • CRAHs (Custom Room Air Handlers)
  • Fully Custom AHUs and EC Fan Arrays
  • Indirect and Direct Evaporative Cooling Units
  • Premium Efficiency Packaged D/X with Economization
  • Modular Data Center Solutions
  • Custom Humidification
  • Custom D/X Split Systems

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Current Customers

Contact Us Today


Brandon Pappas Headshot



James Murphy
303.975.2100 |  JMURPHY@LONG.COM

News & Knowledge Center

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Improve Indoor Air Quality with Armstrong Systems

Our partners at Armstrong World Industries have a variety of air purification and air filtration systems to help improve indoor air quality in commercial buildings.

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U of U West Village Goal In 2021, the University of Utah had housing for graduate students and students with families in buildings that were old, outdated, and had frequent infrastructure failures.

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Commercial Facility Management in Montana

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