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Long Live Your Building!

We combine the best in building automation, HVAC equipment, mechanical service, security solutions and parts to provide a simple solution for maximum building performance and peace of mind.

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Building Technology Pros

From project planning through the life cycle of your building, LONG delivers a wider variety of building technology and ongoing support than any other provider in the Western U.S.

Building Automation

A Building Automation System is the brain of your building. Lets make your facility ‘next level’ smart.

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HVAC Equipment

Get leading, energy efficient equipment combined with expert consultation, design and fulfillment. 

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Mechanical Solutions

To run like a well-oiled machine, your building must be maintained like one. We can help. 

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Security Solutions

Keeping your occupants and assets safe is your highest priority - and ours. We have everything you need for maximum security.

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From the LONG PartsPros to your door. The right parts, when you need them, where you need them, guaranteed.

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Our Clients Speak Out

“LONG has skilled specialists who can address specific critical issues with each part of our system. The depth of their team helps to keep our systems running efficiently. I expect that as we continue to work together, that we will be able to make our systems run even better and more efficiently.”

Wayne M. Robinson
Central Wyoming College
“LONG understands and recognizes the challenges of HVAC’s, Controls and BAS which is an essential requirement for their organization to successfully provide services to their clients. They understand the needs and how to collaborate and work together with their clients to deliver better outcomes for comfort.”
Jose Ortiz
Arapahoe Library District
“LONG has been a positive and outstanding business partner in every way possible -- I look forward to maintaining our partnership for years to come.”
Steve Hoyt
Mountain States Employers Council
“They always go out of their way to make sure I am taken care of. There has been many times they have stayed so I can get the parts I needed.”
Troy Cole
Denver Public Schools
“…Jake is the best parts guy I know. I have used him for about three years now for most my part needs here at the stadium. There have been a couple times where he has really got me out of a pinch by providing a part last minute and even offering for someone to bring it down to me. I always know I will get a quick response on any request I have. Because of Jake we will continue to use LONG as out first option for parts here at the stadium.”
Jeremiah J. Roybal
Denver Broncos Football Club
“The Woodbrooke Junior High School project was our first experience with LONG back in 1996. We have seen improved control efficiencies resulting in reduced energy costs and improved operational efficiencies as well. Competitive pricing, good industry reputation, and a solid solution is why we first chose LONG. LONG’s ongoing high level of service is why we continue to partner with them.”
Dale Brewer
Clover Park School District
“We have been using LONG since they won the bid for their part of the construction of a new middle school for our district in 2003. The technicians were always great to work with and will be a valuable resource in the future.”
Robert Michaels
Washakie County School District No. 1
“As design fees shrink and more is expected of the design consultants, we can rely on Long to be part of our team design approach. We work very well together, partly because of Long's responsiveness, but mainly because of their willingness to go the extra mile.”
Bob Colasuonno
Henderson Engineers (HEI)
“LONG knows that service is key to long term relationships. LONG is extremely responsive to all issues and is an excellent real time communicator. They have done a great job responding to our demanding matrixed organization.”
Rich Hildreth
Providence Health & Services
“Great customer service and support relating to project planning and implementation. Quick response to service requests, ownership over work product, and clear communication regarding project expectations. Keep up the great work!”
Brandon Bird
Cornish College

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News & Knowledge Center

Line of BAPI Pressure Transmitters

BAPI Air Pressure Transmitters for Building Automation Systems - BAS

Our partners at BAPI produce a variety of high-quality HVAC/R products, but they can also be used to ensure building automation systems run at peak operation. When it comes to a BAS that requires

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Screens of video cameras monitoring in a security room

Never Miss a Thing with Video Management Systems from Milestone

Finding a reliable video management system (VMS) that is suited specifically to your building is a challenge for any facility owner or manager. But Milestone has a solution that can fit any building

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Defining Truly Open


LONG has always been wholly dedicated to investing in the forward momentum of our industry.

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