As a division of LONG Building Technologies, LONG PartsPros began selling HVAC parts in 1989, eventually expanding to include building controls and security system parts. Our main warehouse is located in Littleton, CO, and we have additional warehouses in Grand Junction, CO and Salt Lake City, UT.

Buy On Your Own Terms

We understand that when you need a replacement part, you need it as quickly and painlessly as possible. So in 2014, we launched LONGPartsPros.com to help ensure that happens. Our webstore makes ordering parts simple and convenient, giving you the freedom and flexibility to do what you need. You no longer have to call during business hours or wait for a quote on cost and availability. When you buy online, you buy on your own terms. You also benefit from:

   ·  24/7/365 ordering to anywhere within the United States

   ·  Same day shipping on most parts

   ·  Thousands of high-quality OEM, Legacy, and Specialty parts

   ·  The ability to see pricing and availability before you order

   ·  Purchasing parts on account or with a credit card

   ·  Viewing past orders for quick repurchasing

   ·  Accessing invoices or tracking information at any time

But if you need something other than fast and secure online shopping, our team of parts pros is here to help! You can call or email us for parts support and troubleshooting Monday – Friday, 7:30AM – 4:00PM (MST).

Core Values

Core values are what support the mission and vision, shape the culture from within, and reflect what is truly important to LONG as an organization. They ensure each and every employee at every level, are working towards a common goal and share in a bigger purpose. They are the essence of the LONG's identity – the principles, beliefs and values.


By acting in accordance to our values: Company, Customer, Co-Worker, Safety & Community - we will aim to gain the trust of our customers, attract, retain, and engage employees, and provide a superior customer experience. This, in turn, will enable us to achieve our mission to deliver innovative building solutions and positively impact every person our business touches.

Contact Us

On the website but not finding the part you’re looking for? Give us a call! Our relationships with a variety of top manufacturers gives us exclusive access to hard-to-find parts for new or aging systems. No matter how obscure the part, we can help you get it. We’re also a leading manufacturer’s rep, which means you benefit from our buying power and receive the best pricing available.


For over 30 years, we’ve been committed to you. Whether you’re looking to buy parts online or to receive parts support, you can trust you’ll be backed by a knowledgeable team dedicated to helping you get the parts you need, when you need them.