Welcome to O’Connor Company

Integrity. Trust. Quality.

Your Leading HVAC Wholesale Distributor in the Midwest

O’Connor Company is an industry leader for wholesale Heating, Ventilation and Air Conditioning (HVAC) equipment, parts, and tools. As a wholesale distributor of HVAC services in the Midwest, we provide exceptional customer service and an impressive list of high-quality product lines. O’Connor Company is a subsidiary of Munch’s Supply, an award-winning American Standard and Trane distributorship that represents products from more than 100 industry manufacturers with 8,000 SKUs. Munch’s Supply is committed to superior customer service and is dedicated to making a positive difference in the communities we serve.

Since 1920, O’Connor Company has established long-lasting relationships with our customers. Our partnerships are built on integrity, trust, and quality. O’Connor Company is proud to serve the commercial and residential markets in Kansas, Oklahoma, Missouri, Nebraska, and Iowa. We are confident that we have the Heating and Air Conditioning parts, equipment, controls, and accessories you need for success.

Brands That We Work With


Our Locations

Des Moines




Lee’s Summit


Oklahoma City