NSC APG (Applied Products Group) is a division of NSC a 76-year-old, third generation distribution company headquartered in St. Louis, Missouri. NSC APG focuses on the application and sale of HVAC equipment for the residential and commercial markets. We serve Missouri, Kansas and Southern Illinois through our offices located in St. Louis, Missouri and Lenexa, Kansas.

Our equipment lines and services include:

  • Ductless equipment
  • Variable refrigerant flow (VRF) equipment
  • Outside Air Systems
  • Unitary split Systems
  • Unitary rooftops
  • Multifamily HVAC equipment
  • Dampers, grills, louvers, and VAV
  • Related Controls
  • Design assist and contractor support for training, startup,
    commissioning, and diagnostics for all equipment sold*
TIPS Awarded Vendor
*NSC APG does not employ a field service group. Our TSA staff is for the support of the contractor performing equipment installation, startup, commissioning and diagnostics.

What our customers say -

Stacey Richards

President - Five Star Mechanical Inc.

“We have certainly experienced what was promised on Samsung VRF projects.

Your team has gone above and beyond to make sure we have what we need, when we need it, and that is what makes your team stand out!

It has been hands down superior to your competition and your team certainly stands out in customer service.”

HVAC Equipment