WELCOME

Callahan Mechanical Sales is a manufacturer's representative of quality HVAC equipment. 

Our territory includes the greater Chicagoland market, most of Illinois, the Quad Cities, portions of Indiana and Russia.  We rely heavily on our distributor network and the mechanical engineering community for successful selling of our forced air and hydronic products.

We focus on customer service, a reputation of integrity, and a solid partnership with both our manufacturers and distributors.

HEADLINES