We’re a friendly group of people who understand how to work with other trades as part of a team.

If you’re a GC, builder, engineer, architect, designer or homeowner in need of a central AC installation for a residential renovation project, you want a company with an understanding of the market and the know-how to do the job right. DUS provides consistent, reliable comfort using today’s cutting edge,  HVAC technology combined with our proven knowledge and experience.

What sets DUS apart for residential central AC installation


DUS employees are trained and certified by numerous equipment manufacturers, so you can be sure we’re qualified to handle complex and of luxury residential central AC installation with state of the art equipment and special features such as humidification, dehumidification, radiant floor heating, air purification systems and the latest sophisticated controls.


DUS is a family company with a culture that drives us to continuously improve and do the utmost for our customers. Your satisfaction is our ultimate goal. During all phases of a central AC installation project, our focus is always on meeting the wants and needs of the customer. So we don’t just assume we know best about what you need. We ask, and we listen.

Contractors and homeowners alike choose DUS for central AC installation because we make the job easier with direct and reliable communication, and willingness to do what it takes to get the work done to your satisfaction.


DUS has the expertise to provide HVAC design build services for your residential project as well as luxury project . We can complete turnkey projects such as a townhouse or apartment from initial design through installation and maintenance.

When you’re renovating an existing space, the heating, cooling and ventilation systems must be correctly designed based on the new usage requirements. Our expertise in HVAC design and value engineering is unrivaled; we’ll analyze load and size requirements and recommend the right type and size system for the space. We will work within our clients’ needs and preferences as it relates to user interface. We are up to date and fully knowledgeable on all types of direct digital control (DDS) systems. And we’ll make sure you’re getting the most cost-effective design and central AC installation plan for your needs.


Don’t forget about what happens after the last coat of paint is dry and the homeowners begin to use the new systems. If you want to eliminate headaches, choose a residential central AC installation company that takes care of the equipment for the long term. Here’s something you may not realize: your new equipment warranty may be invalid if you fail to maintain your equipment. That’s why you need a residential service agreement. Since DUS also services and maintains the systems we install, you can be sure that every detail will be properly attended to so that the system runs reliably and at peak efficiency. Be sure to ask us about this service before we complete your central AC installation.

For more information about specific services, please contact us.