For more than 50 years, our Ultraline Custom Packaged DX Systems, developed by the Mammoth^® brand of Nortek Air Solutions, have set the standard for innovative technology, customizable features, and high-quality construction in schools, hospitals, commercial offices, government buildings, manufacturing facilities, and more.

Our unique custom-packaged approach will save you design time, installation labor, and jobsite coordination, and the outdoor design will save you valuable indoor space. Ultraline Systems are fabricated, tested, and commissioned (optional) at our factory, can be delivered to your jobsite complete or in shipping sections, and can be shipped ready for startup to help accelerate your construction timeline. Virtually unlimited configurations and options are available to provide you with a complete, custom-packaged HVAC solution.