WELCOME TO HORWITZ/NSI

Horwitz/NSI is a value driven mechanical contracting and services company located in New Hope, Minnesota. With over nine decades of experience in the Twin Cities market, our solid reputation has been built on delivering high quality cost effective solutions to the mechanical construction and service industry. Relationships built on trust have allowed us to grow and to become one of the most respected names in our industry. Whether your need is small or large, Horwitz/NSI has a team ready and willing to assist you.

• Chillers
• Boilers and Licensing
• Burners
• Cooling Towers
• Plumbing and RPZ Testing

• Built Up Air Handling Equipment
• Unitary Rooftop Equipment
• Split Systems
• Pumps
• Recommissioning Studies

• Vav Systems
• Water Source Heat Pumps
• Fan & Exhaust Systems
• Piping and Welding
• Ductwork Design and Remodel