Napps is a highly esteemed provider of a wide range of industrial and commercial market services. Whether you need HVAC/R design, installations, service, and repair, or maintenance of your heating, ventilating, air conditioning, refrigeration, and plumbing systems, we’ve got you covered. We offer a wide range of solutions for a wide range of industrial applications.


We deliver service and repair options during our normal business hours, but we also provide a 24/7 emergency response service. NAPPS services large chillers, DX systems, hydronic systems, boilers, pumps, and refrigeration and ventilation systems.

NAPPS can also offer welding, piping, and sheet metal fabrication and facilitate installations.

We have strict safety programs to meet the safety needs of our customers.

Industrial HVAC service

How to Request a Quotation

Fill out the online form on the right side of this page or go to the Request a Quote tab.


Click the Contact Us tab and shoot us an email.


Contact us at 903-417-0143 within the Longview area, or at 1-888-758-6482.


We look forward to serving you!